HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis (STL) to Incheon Intl (ICN) from $779

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — ICN
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Lambert-St Louis to Incheon Intl are usually found in January or February, booked 87 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from St. Louis to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 2, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$1,256

One-way from

$829
High demand for flights, 29% potential price rise
Search Deals
Best time to find cheap flights, 27% potential price drop
Search Deals
From Lambert-St Louis to Incheon Intl
Search Deals
One-way flight from Lambert-St Louis to Incheon Intl
Search Deals

What is the cheapest day to fly round-trip from St. Louis to Incheon Intl Airport?

Saturday flights are found to be more expensive to fly from St. Louis to Incheon Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Incheon Intl Airport.

What is the cheapest month to fly from St. Louis to Incheon Intl Airport?

Our data shows that February tends to be the cheapest month to fly to Incheon Intl Airport from St. Louis. Users have commonly found prices around $1,782 for the month, but tickets can be as low as $1,355. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from STL to ICN?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Incheon Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the afternoon.

Cheap Air Canada flights from St. Louis to Incheon Intl

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Incheon Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Find some of the cheapest Air Canada flights traveling from St. Louis to Seoul. Make sure to double check the flight details before booking.
Tue 8/2712:00 pmSTL - ICN
2 stops38h 05mAir Canada
Tue 9/106:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 6/1$1,244
Tue 8/274:05 pmSTL - ICN
1 stop35h 25mAir Canada
Tue 9/106:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 6/1$1,250
Sat 10/1912:00 pmSTL - ICN
2 stops38h 05mAir Canada
Thu 10/246:00 pmICN - STL
2 stops41h 05mAir Canada
Deal found 6/1$1,286
Wed 8/2112:00 pmSTL - ICN
2 stops38h 05mAir Canada
Sat 9/76:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 6/1$1,292
Tue 10/154:05 pmSTL - ICN
1 stop35h 25mAir Canada
Fri 10/257:05 pmICN - STL
1 stop34h 15mAir Canada
Deal found 6/1$1,298
Fri 10/184:05 pmSTL - ICN
2 stops34h 00mAir Canada
Sat 11/25:45 pmICN - STL
2 stops31h 08mAir Canada
Deal found 6/1$1,346
Wed 8/712:00 pmSTL - ICN
1 stop38h 25mAir Canada
Fri 8/166:00 pmICN - STL
2 stops35h 21mAir Canada
Deal found 6/1$1,688

Cheap American Airlines flights from St. Louis to Incheon Intl

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Incheon Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Some of the lowest-priced American Airlines flights we've found at this time heading from St. Louis to Seoul. Check back soon if you're not seeing flights that suit your needs.
Tue 8/208:04 amSTL - ICN
1 stop17h 11mAmerican Airlines
Tue 9/35:25 pmICN - STL
2 stops31h 43mAmerican Airlines
Deal found 6/1$1,272
Tue 8/278:04 amSTL - ICN
1 stop17h 11mAmerican Airlines
Tue 9/105:25 pmICN - STL
1 stop36h 02mAmerican Airlines
Deal found 6/1$1,275
Tue 10/155:54 amSTL - ICN
1 stop19h 21mAmerican Airlines
Fri 10/255:25 pmICN - STL
1 stop16h 50mAmerican Airlines
Deal found 6/1$1,318
Thu 9/55:35 pmSTL - ICN
2 stops31h 40mAmerican Airlines
Mon 9/305:25 pmICN - STL
2 stops29h 36mAmerican Airlines
Deal found 6/1$1,322
Mon 8/265:00 amSTL - ICN
1 stop20h 15mAmerican Airlines
Fri 9/65:25 pmICN - STL
1 stop32h 41mAmerican Airlines
Deal found 6/1$1,325
Fri 8/305:00 amSTL - ICN
1 stop20h 15mAmerican Airlines
Fri 9/65:25 pmICN - STL
1 stop37h 25mAmerican Airlines
Deal found 6/1$1,375
Thu 8/88:04 amSTL - ICN
1 stop17h 11mAmerican Airlines
Fri 8/165:25 pmICN - STL
2 stops36h 08mAmerican Airlines
Deal found 6/1$1,684
Thu 8/84:22 pmSTL - ICN
2 stops32h 53mAmerican Airlines
Fri 8/165:25 pmICN - STL
2 stops36h 08mAmerican Airlines
Deal found 6/1$1,734
Wed 8/78:04 amSTL - ICN
1 stop17h 11mAmerican Airlines
Fri 8/165:25 pmICN - STL
1 stop36h 02mAmerican Airlines
Deal found 6/1$1,768

Cheap St. Louis to Incheon Intl flights in June & July 2024

Find cheap flight options from St. Louis to Incheon Intl specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
Check out some of the best flight deals from St. Louis to Seoul in 2024. For more flight deals, be sure to check back very soon.
Tue 6/1111:00 amSTL - ICN
3 stops34h 55mMultiple Airlines
Sat 6/1512:50 pmICN - STL
3 stops41h 42mMultiple Airlines
Deal found 6/1$1,992
Tue 6/115:31 pmSTL - ICN
2 stops20h 49mUnited Airlines
Sat 6/1511:30 amICN - STL
2 stops23h 19mUnited Airlines
Deal found 6/1$2,294
Tue 6/1111:00 amSTL - ICN
3 stops34h 55mMultiple Airlines
Fri 6/141:20 amICN - STL
2 stops31h 57mMultiple Airlines
Deal found 6/1$2,417
Tue 6/116:00 amSTL - ICN
1 stop18h 25mMultiple Airlines
Sat 6/157:40 pmICN - STL
1 stop16h 15mMultiple Airlines
Deal found 6/1$2,477
Tue 6/116:06 amSTL - ICN
2 stops20h 24mDelta
Sat 6/157:40 pmICN - STL
1 stop16h 15mDelta
Deal found 6/1$2,479
Tue 6/117:41 pmSTL - ICN
1 stop32h 04mMultiple Airlines
Fri 6/141:20 amICN - STL
2 stops34h 42mMultiple Airlines
Deal found 6/1$2,695
Tue 6/117:00 amSTL - ICN
2 stops44h 35mQatar Airways
Fri 6/141:20 amICN - STL
2 stops45h 47mQatar Airways
Deal found 6/1$2,716
Thu 6/66:11 amSTL - ICN
1 stop19h 09mKorean Air
Mon 7/16:40 pmICN - STL
1 stop19h 02mKorean Air
Deal found 6/1$2,893
Thu 6/611:05 amSTL - ICN
2 stops40h 30mQatar Airways
Sun 6/301:20 amICN - STL
2 stops36h 39mQatar Airways
Deal found 6/1$3,401

St. Louis to Incheon Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Incheon Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Check out some of the best flight deals from St. Louis to Seoul in 2024. For more flight deals, be sure to check back very soon.
Tue 8/2712:00 pmSTL - ICN
2 stops38h 05mAir Canada
Tue 9/106:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 6/1$1,244
Tue 8/274:05 pmSTL - ICN
1 stop35h 25mAir Canada
Tue 9/106:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 6/1$1,250
Tue 8/208:04 amSTL - ICN
1 stop17h 11mAmerican Airlines
Tue 9/35:25 pmICN - STL
2 stops31h 43mAmerican Airlines
Deal found 6/1$1,272
Tue 8/278:04 amSTL - ICN
1 stop17h 11mAmerican Airlines
Tue 9/105:25 pmICN - STL
1 stop36h 02mAmerican Airlines
Deal found 6/1$1,275
Sat 10/1912:00 pmSTL - ICN
2 stops38h 05mAir Canada
Thu 10/246:00 pmICN - STL
2 stops41h 05mAir Canada
Deal found 6/1$1,286
Wed 8/2112:00 pmSTL - ICN
2 stops38h 05mAir Canada
Sat 9/76:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 6/1$1,292
Tue 10/154:05 pmSTL - ICN
1 stop35h 25mAir Canada
Fri 10/257:05 pmICN - STL
1 stop34h 15mAir Canada
Deal found 6/1$1,298
Tue 10/155:54 amSTL - ICN
1 stop19h 21mAmerican Airlines
Fri 10/255:25 pmICN - STL
1 stop16h 50mAmerican Airlines
Deal found 6/1$1,318
Thu 9/55:35 pmSTL - ICN
2 stops31h 40mAmerican Airlines
Mon 9/305:25 pmICN - STL
2 stops29h 36mAmerican Airlines
Deal found 6/1$1,322

St. Louis to Incheon Intl flights leaving soon

Find last-minute flight options from St. Louis to Incheon Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Book one of these great deals on flights from St. Louis to Seoul. Users should examine the flight details to ensure there are no surprises.
Tue 6/1111:00 amSTL - ICN
3 stops34h 55mMultiple Airlines
Sat 6/1512:50 pmICN - STL
3 stops41h 42mMultiple Airlines
Deal found 6/1$1,992
Tue 6/115:31 pmSTL - ICN
2 stops20h 49mUnited Airlines
Sat 6/1511:30 amICN - STL
2 stops23h 19mUnited Airlines
Deal found 6/1$2,294
Tue 6/1111:00 amSTL - ICN
3 stops34h 55mMultiple Airlines
Fri 6/141:20 amICN - STL
2 stops31h 57mMultiple Airlines
Deal found 6/1$2,417
Tue 6/116:00 amSTL - ICN
1 stop18h 25mMultiple Airlines
Sat 6/157:40 pmICN - STL
1 stop16h 15mMultiple Airlines
Deal found 6/1$2,477
Tue 6/116:06 amSTL - ICN
2 stops20h 24mDelta
Sat 6/157:40 pmICN - STL
1 stop16h 15mDelta
Deal found 6/1$2,479
Tue 6/117:41 pmSTL - ICN
1 stop32h 04mMultiple Airlines
Fri 6/141:20 amICN - STL
2 stops34h 42mMultiple Airlines
Deal found 6/1$2,695
Tue 6/117:00 amSTL - ICN
2 stops44h 35mQatar Airways
Fri 6/141:20 amICN - STL
2 stops45h 47mQatar Airways
Deal found 6/1$2,716
Thu 6/66:11 amSTL - ICN
1 stop19h 09mKorean Air
Mon 7/16:40 pmICN - STL
1 stop19h 02mKorean Air
Deal found 6/1$2,893
Thu 6/611:05 amSTL - ICN
2 stops40h 30mQatar Airways
Sun 6/301:20 amICN - STL
2 stops36h 39mQatar Airways
Deal found 6/1$3,401

One-way flights to Incheon Intl from St. Louis

Search for one-way flight options from St. Louis to Incheon Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Seoul. Users can also find round-trip St. Louis to Seoul flights by using the search form above.
Wed 7/107:00 amSTL - ICN
1 stop18h 15mAmerican Airlines
Deal found 6/1$779
Fri 7/125:46 pmSTL - ICN
2 stops31h 29mAmerican Airlines
Deal found 6/1$829
Mon 6/105:25 pmSTL - ICN
2 stops34h 15mTurkish Airlines
Deal found 6/1$923
Thu 6/273:32 pmSTL - ICN
3 stops37h 28mMultiple Airlines
Deal found 6/1$1,031
Thu 6/278:05 amSTL - ICN
2 stops43h 35mTurkish Airlines
Deal found 6/1$1,085
Mon 6/1011:00 amSTL - ICN
3 stops31h 45mMultiple Airlines
Deal found 6/1$1,115
Thu 6/2711:00 amSTL - ICN
1 stop40h 30mAir Canada
Deal found 6/1$1,199
Fri 6/73:07 pmSTL - ICN
3 stops34h 58mMultiple Airlines
Deal found 6/1$1,291
Sat 6/84:05 pmSTL - ICN
3 stops33h 20mMultiple Airlines
Deal found 6/1$1,298

Find flights from St. Louis to Incheon Intl within your budget

Customize your flight search to find flights from St. Louis to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,244 - $1,662

Route

Depart

Return

Price

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 8/27

2 stops38h 05m

Incheon Intl

Tue 9/10

2 stops35h 20m

$1,244

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 8/27

1 stop35h 25m

Incheon Intl

Tue 9/10

2 stops35h 20m

$1,250

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 8/20

1 stop17h 11m

Incheon Intl

Tue 9/3

2 stops31h 43m

$1,272

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 8/27

1 stop17h 11m

Incheon Intl

Tue 9/10

1 stop36h 02m

$1,275

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Wed 8/21

2 stops46h 15m

Incheon Intl

Tue 9/3

2 stops40h 45m

$1,323

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Wed 8/21

2 stops46h 15m

Incheon Intl

Wed 9/4

2 stops47h 25m

$1,342

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 8/18

1 stop22h 41m

Incheon Intl

Thu 9/5

1 stop17h 48m

$1,368

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 10/15

2 stops35h 15m

Incheon Intl

Thu 10/24

2 stops36h 38m

$1,565

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sat 7/20

2 stops31h 57m

Incheon Intl

Sun 8/11

2 stops24h 47m

$1,662

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I book a flight from St. Louis to Incheon Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Incheon Intl. Price data was last updated on May 31, 2024.
Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

What is the cheapest day to fly from St. Louis to Incheon Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Incheon Intl. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Incheon Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature and rainfall totals by month.

SEL

Temperature

35.6 - 77 °F

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated June 2, 2024.
Read reviews from past customers who have flown Air Canada, American Airlines and Cathay Pacific from St. Louis to Seoul. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,142 reviews
Check prices

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Overall

8.5

Crew

8.8

Food

8.1

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Korean Air
8.5
Very good
1,142 reviews
Korean Air
8.5
Very good
1,142 reviews
Check prices

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Overall

8.5

Crew

8.8

Food

8.1

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Delta
8.0
Very good
10,410 reviews
Korean Air
8.5
Very good
1,142 reviews
Check prices

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Overall

8.5

Crew

8.8

Food

8.1

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Cathay Pacific
7.8
Good
1,049 reviews
Korean Air
8.5
Very good
1,142 reviews
Check prices

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Overall

8.5

Crew

8.8

Food

8.1

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Qatar Airways
7.7
Good
4,324 reviews
Korean Air
8.5
Very good
1,142 reviews
Check prices

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Overall

8.5

Crew

8.8

Food

8.1

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Turkish Airlines
7.4
Good
3,711 reviews
Korean Air
8.5
Very good
1,142 reviews
Check prices

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Overall

8.5

Crew

8.8

Food

8.1

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Incheon Intl?

    For a flight from St. Louis to Incheon Intl, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Incheon Intl per day. 5 airlines have flights to Incheon Intl from Lambert-St Louis on a regular basis.

  • Can I find flights from St. Louis to Incheon Intl Airport for under $1,300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Incheon Intl Airport for under $1,300. The cheapest flight booked recently is on Air Canada for just $1,244, but on average you can expect to pay $1,322.

  • Are there last-minute flights available from St. Louis to Incheon Intl Airport for under $2,000?

    There are currently 10+ open flights from St. Louis to Incheon Intl Airport within the next 7 days for less than $2,000.

  • What are the cheapest airlines flying from St. Louis to Incheon Intl Airport round-trip?

    Air Canada, at $1,244, was found to be the cheapest airline from St. Louis to Incheon Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Cathay Pacific. Users have found that Air Canada is 29% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Incheon Intl Airport one-way?

    $779 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Turkish Airlines and Air Canada, with prices starting from $923 and $1,199, respectively.

  • What does STL to ICN mean?

    STL and ICN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to ICN refers to a flight route from Lambert-St Louis Airport to Incheon Intl Airport.

  • Can I find deals for flights from St. Louis to Incheon Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Incheon Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Incheon Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Incheon Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on St. Louis to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Incheon Intl.

  • Can I find deals for business class flights from St. Louis to Incheon Intl?

    Yes. Cheapflights offers flight deals from St. Louis to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Incheon Intl that allow pets onboard?

    Many airlines flying from St. Louis to Incheon Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Incheon Intl?

    Yes, you can often find last-minute deals on St. Louis to Incheon Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Incheon Intl Airport flight deals updated?

    The St. Louis to Incheon Intl Airport flight deals you see on this page were last updated on 6/1.

  • What are the most popular airlines that fly from St. Louis to Incheon Intl Airport?

    The most popular airlines flying from St. Louis to Incheon Intl Airport are American Airlines, Air Canada and Delta. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from St. Louis to Incheon Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Incheon Intl Airport (average of $1,218). Flying from St. Louis to Incheon Intl Airport in June is currently the most expensive (average of $1,772). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Incheon Intl
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Incheon Intl flights
St. Louis to Gimpo Intl flights
Springfield to Incheon Intl flights

Top 5 airlines flying from St. Louis to Incheon Intl

Discover the top 5 airlines that operate flights from St. Louis to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,215Average$1,354FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,305Average$1,737FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$1,424Average$1,658FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$1,511Average$1,747FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest$1,657Average$1,960FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Boston to Denver flights
San Francisco to Mumbai flights
USA to Fiji flights
Phoenix to Cancún flights
Chicago to Phoenix flights
Atlanta to San Francisco flights
New York to Houston flights
Atlanta to Cancún flights
Los Angeles to Europe flights
Seattle to Minneapolis flights
Chicago to Dublin flights
St. Louis to Wichita flights

Search flights from St. Louis to Incheon Intl by cabin class

Find flights from St. Louis to Incheon Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Incheon Intl?

When you search for this flight from St. Louis to Incheon Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Incheon Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Incheon Intl.

Can Cheapflights find flights from St. Louis to Incheon Intl with no change fees?

Need flexible booking options for your flight to Incheon Intl from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Incheon Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines