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Cheap flights from Seattle (SEA) to Key Largo, FL from $132

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 8/12. 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.
SEA — MIA
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Key Largo are usually found in September or October, booked 34 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Key Largo (KE9). 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

December

Cheapest in

September

Round-trip from

$210

One-way from

$149
High demand for flights, 19% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Seattle/Tacoma Intl to Key Largo
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One-way flight from Seattle/Tacoma Intl to Key Largo
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How far in advance should I book a flight from Seattle to Key Largo?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 35 days in advance, which can save you up to 104% on flights from Seattle to Key Largo compared to booking the week you need them. Waiting 35 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $435. For sooner than that we have options available in the next 3 days from $779.

What is the cheapest month to fly from Seattle to Key Largo?

September can be a great time to fly to Key Largo from Seattle with a flight ticket averaging about $410. Cheapflights users have found deals in the month of September for as cheap as $129. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from SEA to KE9?

When flying from Seattle to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Spirit Airlines flights from Seattle to Key Largo

Explore cheap flight options specifically provided by Spirit Airlines for the route between Seattle and Key Largo. 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.
Peruse some of the lowest-priced Spirit Airlines flights we've found from Seattle to Key Largo. Deals update often to give you more flight options matching your criteria
Tue 7/165:15 pmSEA - MIA
2 stops22h 22mSpirit Airlines
Tue 7/239:11 amMIA - SEA
2 stops34h 04mSpirit Airlines
Deal found 5/31$254
Tue 8/206:39 pmSEA - MIA
1 stop15h 34mSpirit Airlines
Wed 8/289:55 amMIA - SEA
2 stops27h 08mSpirit Airlines
Deal found 6/1$257
Mon 6/108:59 pmSEA - MIA
2 stops25h 09mSpirit Airlines
Wed 6/196:29 pmMIA - SEA
1 stop17h 03mSpirit Airlines
Deal found 6/1$262
Sat 8/245:30 amSEA - MIA
2 stops24h 35mSpirit Airlines
Mon 8/269:55 amMIA - SEA
2 stops30h 26mSpirit Airlines
Deal found 6/1$263
Wed 7/38:59 pmSEA - MIA
2 stops22h 50mSpirit Airlines
Tue 7/94:45 pmMIA - SEA
2 stops34h 50mSpirit Airlines
Deal found 6/1$269
Mon 6/108:59 pmSEA - MIA
2 stops25h 09mSpirit Airlines
Wed 7/176:07 amMIA - SEA
3 stops21h 28mSpirit Airlines
Deal found 6/1$270
Mon 6/108:59 pmSEA - MIA
2 stops25h 09mSpirit Airlines
Wed 7/177:13 amMIA - SEA
2 stops20h 22mSpirit Airlines
Deal found 6/1$271
Tue 8/1310:10 pmSEA - MIA
1 stop12h 03mSpirit Airlines
Tue 8/204:55 pmMIA - SEA
2 stops31h 53mSpirit Airlines
Deal found 6/1$272
Mon 6/108:59 pmSEA - MIA
1 stop16h 52mSpirit Airlines
Wed 7/177:13 amMIA - SEA
2 stops20h 22mSpirit Airlines
Deal found 6/1$273

Cheap American Airlines flights from Seattle to Key Largo

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Key Largo. 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 Seattle to Key Largo. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 8/3012:21 amSEA - MIA
1 stop9h 16mAmerican Airlines
Tue 9/39:00 pmMIA - SEA
Nonstop6h 31mAmerican Airlines
Deal found 6/1$327
Mon 8/261:14 amSEA - MIA
1 stop9h 46mAmerican Airlines
Tue 9/33:14 pmMIA - SEA
1 stop8h 27mAmerican Airlines
Deal found 5/31$355
Fri 8/3012:21 amSEA - MIA
1 stop9h 16mAmerican Airlines
Tue 9/33:14 pmMIA - SEA
1 stop10h 41mAmerican Airlines
Deal found 6/1$356
Fri 8/212:13 amSEA - MIA
1 stop9h 21mAmerican Airlines
Mon 8/58:36 pmMIA - SEA
Nonstop6h 23mAmerican Airlines
Deal found 6/1$387
Thu 8/221:14 amSEA - MIA
1 stop8h 23mAmerican Airlines
Sun 8/259:00 pmMIA - SEA
Nonstop6h 31mAmerican Airlines
Deal found 6/1$400
Sun 6/91:14 amSEA - MIA
1 stop10h 05mAmerican Airlines
Wed 7/178:36 pmMIA - SEA
Nonstop6h 23mAmerican Airlines
Deal found 6/1$698
Sun 6/91:14 amSEA - MIA
1 stop10h 05mAmerican Airlines
Wed 7/175:20 pmMIA - SEA
1 stop8h 37mAmerican Airlines
Deal found 6/1$707
Tue 6/1112:20 amSEA - MIA
1 stop9h 15mAmerican Airlines
Wed 6/198:23 pmMIA - SEA
Nonstop6h 36mAmerican Airlines
Deal found 6/2$771
Tue 6/111:14 amSEA - MIA
1 stop8h 21mAmerican Airlines
Mon 6/1712:25 pmMIA - SEA
1 stop8h 41mAmerican Airlines
Deal found 6/1$780

Cheap Seattle to Key Largo flights in June & July 2024

Find cheap flight options from Seattle to Key Largo 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.
Listed are some of the best fares we've found on flights departing from Seattle to Key Largo in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 6/611:28 amSEA - MIA
1 stop10h 32mFrontier
Mon 6/103:17 pmMIA - SEA
1 stop20h 22mFrontier
Deal found 6/1$259
Thu 6/611:28 amSEA - MIA
1 stop10h 32mFrontier
Mon 6/103:17 pmMIA - SEA
1 stop20h 22mFrontier
Deal found 6/1$261
Mon 6/108:59 pmSEA - MIA
2 stops25h 09mSpirit Airlines
Wed 6/196:29 pmMIA - SEA
1 stop17h 03mSpirit Airlines
Deal found 6/1$262
Sat 6/810:26 pmSEA - MIA
1 stop23h 34mFrontier
Sat 6/152:35 pmMIA - SEA
1 stop21h 35mFrontier
Deal found 6/1$264
Wed 6/59:41 pmSEA - MIA
1 stop24h 19mFrontier
Wed 6/123:17 pmMIA - SEA
1 stop22h 09mFrontier
Deal found 5/31$265
Thu 6/611:28 amSEA - MIA
1 stop10h 32mFrontier
Tue 6/113:17 pmMIA - SEA
1 stop18h 49mFrontier
Deal found 6/1$266
Fri 6/73:34 pmSEA - MIA
1 stop11h 19mFrontier
Sat 6/157:30 amMIA - SEA
1 stop28h 40mFrontier
Deal found 6/1$267
Sat 6/810:26 pmSEA - MIA
1 stop28h 27mFrontier
Sat 6/157:30 amMIA - SEA
1 stop28h 40mFrontier
Deal found 6/1$268
Mon 6/108:59 pmSEA - MIA
2 stops25h 09mSpirit Airlines
Wed 7/176:07 amMIA - SEA
3 stops21h 28mSpirit Airlines
Deal found 6/1$270

Seattle to Key Largo 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Key Largo 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.
Listed are some of the best fares we've found on flights departing from Seattle to Key Largo in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 7/28:12 pmSEA - MIA
1 stop25h 48mFrontier
Sun 7/77:25 amMIA - SEA
1 stop26h 49mFrontier
Deal found 6/2$250
Sat 9/2110:08 pmSEA - MIA
1 stop23h 33mFrontier
Sat 9/283:21 pmMIA - SEA
1 stop20h 16mFrontier
Deal found 6/1$251
Tue 8/278:35 pmSEA - MIA
1 stop13h 38mMultiple Airlines
Mon 9/165:16 amMIA - SEA
1 stop14h 15mMultiple Airlines
Deal found 6/2$252
Fri 9/69:12 pmSEA - MIA
1 stop30h 21mSpirit Airlines
Mon 9/93:00 pmMIA - SEA
2 stops32h 21mSpirit Airlines
Deal found 6/1$253
Tue 7/165:15 pmSEA - MIA
2 stops22h 22mSpirit Airlines
Tue 7/239:11 amMIA - SEA
2 stops34h 04mSpirit Airlines
Deal found 5/31$254
Tue 8/278:35 pmSEA - MIA
1 stop13h 38mMultiple Airlines
Wed 9/43:21 pmMIA - SEA
1 stop8h 50mMultiple Airlines
Deal found 5/31$255
Sat 8/2410:08 pmSEA - MIA
1 stop23h 33mFrontier
Mon 8/263:21 pmMIA - SEA
1 stop20h 16mFrontier
Deal found 6/1$256
Tue 8/206:39 pmSEA - MIA
1 stop15h 34mSpirit Airlines
Wed 8/289:55 amMIA - SEA
2 stops27h 08mSpirit Airlines
Deal found 6/1$257
Mon 8/2610:08 pmSEA - MIA
1 stop23h 33mFrontier
Mon 9/25:16 amMIA - SEA
1 stop14h 15mFrontier
Deal found 5/31$258

Non-stop flights to Key Largo from Seattle

Discover non-stop flight options from Seattle to Key Largo. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Seattle to Key Largo. Users seeking other options on flights from Seattle to Key Largo should update the search form at the top of the page.
Tue 8/138:30 pmSEA - MIA
Nonstop5h 52mAmerican Airlines
Tue 8/209:00 pmMIA - SEA
Nonstop6h 31mAmerican Airlines
Deal found 6/1$297
Tue 8/277:18 amSEA - MIA
Nonstop5h 55mAlaska Airlines
Wed 9/45:55 pmMIA - SEA
Nonstop6h 34mAlaska Airlines
Deal found 5/31$298
Tue 8/138:30 pmSEA - MIA
Nonstop5h 52mAmerican Airlines
Tue 8/209:00 pmMIA - SEA
Nonstop6h 31mAmerican Airlines
Deal found 5/31$317
Mon 8/267:18 amSEA - MIA
Nonstop5h 55mAlaska Airlines
Wed 9/45:55 pmMIA - SEA
Nonstop6h 34mAlaska Airlines
Deal found 5/31$318
Tue 7/308:30 pmSEA - MIA
Nonstop5h 49mAmerican Airlines
Sat 8/38:36 pmMIA - SEA
Nonstop6h 23mAmerican Airlines
Deal found 5/31$337
Sun 8/257:18 amSEA - MIA
Nonstop5h 55mAlaska Airlines
Thu 9/55:55 pmMIA - SEA
Nonstop6h 34mAlaska Airlines
Deal found 5/31$338
Mon 8/198:30 pmSEA - MIA
Nonstop5h 52mAmerican Airlines
Sun 9/19:00 pmMIA - SEA
Nonstop6h 31mAmerican Airlines
Deal found 5/31$347
Wed 8/78:30 pmSEA - MIA
Nonstop5h 52mAmerican Airlines
Wed 8/149:00 pmMIA - SEA
Nonstop6h 31mAmerican Airlines
Deal found 5/31$357
Tue 8/67:06 amSEA - MIA
Nonstop5h 54mAlaska Airlines
Sat 8/105:43 pmMIA - SEA
Nonstop6h 33mAlaska Airlines
Deal found 6/1$367

Seattle to Key Largo flights leaving soon

Find last-minute flight options from Seattle to Key Largo 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.
Users seeking a last-minute flight from Seattle to Key Largo should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.
Mon 6/108:59 pmSEA - MIA
1 stop16h 52mMultiple Airlines
Wed 6/123:17 pmMIA - SEA
1 stop8h 31mMultiple Airlines
Deal found 6/1$261
Mon 6/108:59 pmSEA - MIA
2 stops25h 09mSpirit Airlines
Wed 6/196:29 pmMIA - SEA
1 stop17h 03mSpirit Airlines
Deal found 6/1$262
Sat 6/810:26 pmSEA - MIA
1 stop23h 34mFrontier
Sat 6/152:35 pmMIA - SEA
1 stop21h 35mFrontier
Deal found 6/1$264
Fri 6/78:04 amSEA - MIA
1 stop13h 56mFrontier
Tue 6/113:17 pmMIA - SEA
1 stop18h 49mFrontier
Deal found 6/1$266
Fri 6/73:34 pmSEA - MIA
1 stop11h 19mFrontier
Sat 6/157:30 amMIA - SEA
1 stop28h 40mFrontier
Deal found 6/1$267
Sat 6/810:26 pmSEA - MIA
1 stop28h 27mFrontier
Sat 6/157:30 amMIA - SEA
1 stop28h 40mFrontier
Deal found 6/1$268
Mon 6/108:59 pmSEA - MIA
2 stops25h 09mSpirit Airlines
Wed 7/176:07 amMIA - SEA
3 stops21h 28mSpirit Airlines
Deal found 6/1$270
Mon 6/108:59 pmSEA - MIA
2 stops25h 09mSpirit Airlines
Wed 7/177:13 amMIA - SEA
2 stops20h 22mSpirit Airlines
Deal found 6/1$271
Wed 6/129:41 pmSEA - MIA
1 stop24h 19mFrontier
Sun 6/163:17 pmMIA - SEA
1 stop26h 58mFrontier
Deal found 6/1$273

One-way flights to Key Largo from Seattle

Search for one-way flight options from Seattle to Key Largo. 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.
If you're seeking multiple options on one-way flights from Seattle to Key Largo, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Seattle to Key Largo should utilize the search form at the the top of the page.
Mon 8/125:10 amSEA - MIA
2 stops32h 11mSpirit Airlines
Deal found 6/1$132
Mon 8/198:35 pmSEA - MIA
2 stops21h 25mSpirit Airlines
Deal found 5/31$133
Mon 7/17:56 amSEA - MIA
1 stop14h 04mFrontier
Deal found 6/1$134
Tue 7/305:10 amSEA - MIA
2 stops17h 03mSpirit Airlines
Deal found 6/1$135
Mon 8/129:21 pmSEA - MIA
1 stop15h 24mSpirit Airlines
Deal found 6/1$137
Sat 6/2210:26 pmSEA - MIA
1 stop28h 27mFrontier
Deal found 6/1$138
Tue 6/118:12 pmSEA - MIA
1 stop25h 48mFrontier
Deal found 6/1$139
Fri 6/73:34 pmSEA - MIA
1 stop29h 34mFrontier
Deal found 6/1$140
Tue 7/238:30 pmSEA - MIA
1 stop25h 29mFrontier
Deal found 6/1$142

Find flights from Seattle to Key Largo within your budget

Customize your flight search to find flights from Seattle to Key Largo 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

$254 - $415

Route

Depart

Return

Price

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 7/16

2 stops22h 22m

Miami

Tue 7/23

2 stops34h 04m

$254

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 8/27

1 stop13h 38m

Miami

Wed 9/4

1 stop8h 50m

$255

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 8/24

1 stop23h 33m

Miami

Mon 8/26

1 stop20h 16m

$256

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 8/20

1 stop15h 34m

Miami

Wed 8/28

2 stops27h 08m

$257

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 8/26

1 stop23h 33m

Miami

Mon 9/2

1 stop14h 15m

$258

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 6/10

1 stop16h 52m

Miami

Wed 6/12

1 stop8h 31m

$261

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 8/27

Nonstop5h 55m

Miami

Thu 9/5

Nonstop6h 34m

$298

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 8/30

1 stop9h 16m

Miami

Tue 9/3

Nonstop6h 31m

$327

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 8/24

1 stop19h 35m

Miami

Tue 9/3

1 stop16h 48m

$415

Flights are sorted by cheapest first

Deals found on 5/31

How far ahead should I book a flight from Seattle to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Key Largo. Price data was last updated on May 24, 2024.
The price you pay for your flight from Seattle to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Seattle to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Key Largo. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Key Largo flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon 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 Seattle to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Seattle 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 Key Largo by month

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

MIA

Temperature

68 - 84.2 °F

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated June 2, 2024.
Read reviews from past customers who have flown Spirit Airlines, American Airlines and Frontier from Seattle to Key Largo. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Alaska Airlines
8.1
Very good
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Delta
8.0
Very good
10,410 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

JetBlue
7.6
Good
4,346 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

United Airlines
7.4
Good
10,755 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

American Airlines
7.3
Good
14,260 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Key Largo. 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 Seattle to Key Largo?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Key Largo. You should not have trouble finding flights to Key Largo from Seattle/Tacoma Intl; the airport handles an average of 3 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the Seattle airport to Key Largo. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • Can I find flights from Seattle to Key Largo for under $300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Key Largo for under $300. The cheapest flight booked recently is on Spirit Airlines for just $254, but on average you can expect to pay $264.

  • Are there nonstop flights from Seattle to Key Largo for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Key Largo under $300. A good price for a nonstop flight from Seattle to Key Largo is less than $373.

  • Are there last-minute flights available from Seattle to Key Largo for under $300?

    There are currently 20+ open flights from Seattle to Key Largo within the next 7 days for less than $300.

  • How popular is this Seattle to Key Largo flight route?

    The Seattle/Tacoma Intl to Key Largo flight path was viewed by 48 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Seattle to Key Largo one-way?

    $132 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $134 and $149, respectively.

  • What are the most reliable airlines from Seattle to Key Largo?

    Before booking your flight to Key Largo from Seattle, check out the most reliable airlines to get you to your destination on time: GOL (100%), American Airlines (95%), Alaska Airlines( 80%).

  • What are the cheapest flights from Seattle to Key Largo?

    The cheapest flight price from Seattle to Key Largo is $138. On average you can expect to pay $1,123. The most popular route, (Seattle/Tacoma Intl - Miami), can usually be booked for $224.

  • What does SEA to MIA mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and Miami Airport (MIA). Codes like Miami Airport are often used to just call airports uniquely. Fort Lauderdale Airport (FLL), Key West Airport (EYW), Miami Opa Locka Airport (OPF), Fort Lauderdale Executive Airport (FXE) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Seattle to Key Largo that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Key Largo 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 Seattle to Key Largo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Key Largo 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 Seattle to Key Largo that include hotel bookings?

    Yes. In addition to deals on Seattle to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Key Largo.

  • Can I find deals for business class flights from Seattle to Key Largo?

    Yes. Cheapflights offers flight deals from Seattle to Key Largo 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 Seattle to Key Largo that allow pets onboard?

    Many airlines flying from Seattle to Key Largo 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 Seattle to Key Largo?

    Yes, you can often find last-minute deals on Seattle to Key Largo 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 Seattle to Key Largo flight deals updated?

    The Seattle to Key Largo flight deals you see on this page were last updated on 6/2.

  • What are the most popular airlines that fly from Seattle to Key Largo?

    Undisclosed Carrier, American Airlines and Alaska Airlines are the most popular airlines when flying from Seattle to Key Largo.

  • What is the cheapest month to book a flight from Seattle to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Key Largo (average of $210). Flying from Seattle to Key Largo in March is currently the most expensive (average of $289). 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.

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Top 8 airlines flying from Seattle to Key Largo

Discover the top 8 airlines that operate flights from Seattle to Key Largo. 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
FrontierCheapest$114Average$264FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapest$121Average$302FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Spirit AirlinesCheapest$121Average$275FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$129Average$373FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$129Average$496FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Sun Country AirCheapest$146Average$340FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
DeltaCheapest$154Average$540FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$248Average$529FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Seattle to Key Largo by cabin class

Find flights from Seattle to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Seattle to Key Largo

Find hourly flight availability from Seattle to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 2, 2024.
1%of flight departuresEarly morningMidnight to 6 am
39%of flight departuresMorning6 am to noon
26%of flight departuresAfternoonNoon to 6 pm
34%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to Key Largo

Explore weekly flight availability from Seattle to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 2, 2024.
Sunday3daily flights
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday3daily flights

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