HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Portland to Knoxville (PDX - TYS) from $146

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 8/9. 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.
PDX — TYS
juin 7 — juin 141
From?
To?
ven. 6/7
ven. 6/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Portland to Knoxville McGhee Tyson are usually found in January or September, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Portland to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Knoxville (TYS). 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 juin 2, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$302

One-way from

$174
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 28% potential price drop
Search Deals
From Portland to Knoxville McGhee Tyson
Search Deals
One-way flight from Portland to Knoxville McGhee Tyson
Search Deals

What is the cheapest day to fly round-trip from Portland to Knoxville?

Thursday flights are generally found to be more expensive for flights from Portland to Knoxville. 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 Knoxville.

How far in advance should I book a flight from Portland to Knoxville?

Travelers have found it’s best to book a flight 18 days in advance to save up to 243% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 18 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portland to Knoxville 1-2 weeks in advance for as low as $318, or $762 for flights within the next 24 hours.

What is the cheapest month to fly from Portland to Knoxville?

Our data shows that January tends to be the cheapest month to fly to Knoxville from Portland. Users have commonly found prices around $533 for the month, but tickets can be as low as $340. Due to multiple factors, prepare for potentially higher prices in March.

What is the cheapest time of day to fly from PDX to TYS?

When flying from Portland to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 6% versus a flight at noon.

Cheap Frontier flights from Portland to Knoxville

Explore cheap flight options specifically provided by Frontier for the route between Portland and Knoxville. 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 juin 2, 2024.
Check out some of the cheapest Frontier flights we've come across from Portland to Knoxville. Make sure to check back often as deals are often changing.
lun. 7/89:23 amPDX - TYS
1 stop9h 17mFrontier
lun. 7/1510:40 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$228
lun. 7/89:23 amPDX - TYS
1 stop9h 17mFrontier
ven. 7/1210:36 pmTYS - PDX
1 stop12h 07mFrontier
Deal found 6/1$244
ven. 8/212:49 amPDX - TYS
1 stop17h 14mFrontier
sam. 8/1010:03 pmTYS - PDX
1 stop28h 56mFrontier
Deal found 6/1$245
dim. 7/712:59 amPDX - TYS
1 stop17h 41mFrontier
ven. 7/1210:36 pmTYS - PDX
1 stop28h 14mFrontier
Deal found 6/1$254
mar. 9/312:48 amPDX - TYS
1 stop13h 29mFrontier
lun. 9/96:17 pmTYS - PDX
1 stop8h 23mFrontier
Deal found 6/1$259
mar. 6/1812:49 amPDX - TYS
1 stop14h 58mFrontier
lun. 6/2410:41 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$283
mar. 8/1312:48 amPDX - TYS
1 stop13h 29mFrontier
mer. 8/216:17 pmTYS - PDX
1 stop8h 23mFrontier
Deal found 6/1$294
mer. 7/107:39 amPDX - TYS
1 stop8h 09mFrontier
lun. 7/1510:40 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$321
lun. 7/17:38 amPDX - TYS
1 stop11h 01mFrontier
lun. 7/1510:40 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$351

Cheap American Airlines flights from Portland to Knoxville

Explore cheap flight options specifically provided by American Airlines for the route between Portland and Knoxville. 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 juin 2, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Portland to Knoxville. Deals are refreshing constantly so come back soon for more options.
mer. 8/1411:58 pmPDX - TYS
1 stop8h 16mAmerican Airlines
mer. 8/218:00 amTYS - PDX
1 stop7h 43mAmerican Airlines
Deal found 6/1$248
mar. 8/1311:58 pmPDX - TYS
2 stops11h 25mAmerican Airlines
mar. 8/202:29 pmTYS - PDX
1 stop9h 25mAmerican Airlines
Deal found 6/1$253
mar. 8/1311:58 pmPDX - TYS
2 stops9h 16mAmerican Airlines
mar. 8/2012:45 pmTYS - PDX
2 stops10h 14mAmerican Airlines
Deal found 6/1$258
mar. 8/1311:58 pmPDX - TYS
2 stops11h 25mAmerican Airlines
ven. 8/166:27 pmTYS - PDX
1 stop7h 21mAmerican Airlines
Deal found 6/1$273
mar. 8/1311:58 pmPDX - TYS
2 stops11h 25mAmerican Airlines
ven. 8/165:10 amTYS - PDX
2 stops10h 33mAmerican Airlines
Deal found 6/1$278
lun. 8/1212:59 amPDX - TYS
1 stop9h 40mAmerican Airlines
mar. 8/2012:45 pmTYS - PDX
2 stops10h 14mAmerican Airlines
Deal found 6/1$288
lun. 9/911:59 pmPDX - TYS
2 stops11h 08mAmerican Airlines
ven. 9/136:24 pmTYS - PDX
1 stop7h 22mAmerican Airlines
Deal found 6/1$293
lun. 9/911:59 pmPDX - TYS
2 stops11h 08mAmerican Airlines
ven. 9/132:52 pmTYS - PDX
2 stops10h 54mAmerican Airlines
Deal found 6/1$298
lun. 8/1212:59 amPDX - TYS
1 stop9h 40mAmerican Airlines
ven. 8/166:27 pmTYS - PDX
1 stop7h 21mAmerican Airlines
Deal found 6/1$303

Cheap Portland to Knoxville flights in June & July 2024

Find cheap flight options from Portland to Knoxville 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 juin 2, 2024.
Check out some of the best flight deals from Portland to Knoxville in 2024. Check back regularly for other flight deals.
mer. 6/57:43 amPDX - TYS
1 stop8h 04mFrontier
mer. 6/127:47 pmTYS - PDX
1 stop7h 05mFrontier
Deal found 5/31$250
mar. 6/412:49 amPDX - TYS
1 stop14h 58mFrontier
mer. 6/127:47 pmTYS - PDX
1 stop7h 05mFrontier
Deal found 5/31$260
mar. 6/1812:49 amPDX - TYS
1 stop14h 58mFrontier
lun. 6/2410:41 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$283
jeu. 6/205:55 pmPDX - TYS
1 stop14h 18mMultiple Airlines
mar. 6/2510:00 amTYS - PDX
3 stops41h 08mMultiple Airlines
Deal found 6/1$332
jeu. 6/205:20 amPDX - TYS
2 stops26h 53mMultiple Airlines
mar. 6/2510:00 amTYS - PDX
3 stops41h 08mMultiple Airlines
Deal found 6/1$342
dim. 6/3012:49 amPDX - TYS
1 stop17h 50mFrontier
lun. 7/1510:40 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$361
jeu. 6/209:39 amPDX - TYS
3 stops22h 34mMultiple Airlines
mar. 6/2510:00 amTYS - PDX
3 stops41h 08mMultiple Airlines
Deal found 6/1$368
dim. 6/3012:49 amPDX - TYS
1 stop17h 50mFrontier
lun. 7/810:40 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$372
mer. 6/197:43 amPDX - TYS
1 stop8h 04mFrontier
lun. 6/2410:41 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$383

Portland to Knoxville 2024 flight deals

Discover exclusive flight deals for travel between Portland and Knoxville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated juin 2, 2024.
Check out some of the best flight deals from Portland to Knoxville in 2024. Check back regularly for other flight deals.
lun. 7/89:23 amPDX - TYS
1 stop9h 17mFrontier
lun. 7/1510:40 pmTYS - PDX
1 stop11h 09mFrontier
Deal found 6/1$228
lun. 7/89:23 amPDX - TYS
1 stop9h 17mFrontier
ven. 7/1210:36 pmTYS - PDX
1 stop12h 07mFrontier
Deal found 6/1$244
ven. 8/212:49 amPDX - TYS
1 stop17h 14mFrontier
sam. 8/1010:03 pmTYS - PDX
1 stop28h 56mFrontier
Deal found 6/1$245
mer. 8/1411:58 pmPDX - TYS
1 stop8h 16mAmerican Airlines
mer. 8/218:00 amTYS - PDX
1 stop7h 43mAmerican Airlines
Deal found 6/1$248
mer. 6/57:43 amPDX - TYS
1 stop8h 04mFrontier
mer. 6/127:47 pmTYS - PDX
1 stop7h 05mFrontier
Deal found 5/31$250
mar. 8/1311:58 pmPDX - TYS
2 stops11h 25mAmerican Airlines
mar. 8/202:29 pmTYS - PDX
1 stop9h 25mAmerican Airlines
Deal found 6/1$253
dim. 7/712:59 amPDX - TYS
1 stop17h 41mFrontier
ven. 7/1210:36 pmTYS - PDX
1 stop28h 14mFrontier
Deal found 6/1$254
mar. 8/1311:58 pmPDX - TYS
2 stops9h 16mAmerican Airlines
mar. 8/2012:45 pmTYS - PDX
2 stops10h 14mAmerican Airlines
Deal found 6/1$258
mar. 9/312:48 amPDX - TYS
1 stop13h 29mFrontier
lun. 9/96:17 pmTYS - PDX
1 stop8h 23mFrontier
Deal found 6/1$259

Portland to Knoxville flights leaving soon

Find last-minute flight options from Portland to Knoxville 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 juin 2, 2024.
Book one of these great deals on flights from Portland to Knoxville. It's wise to confirm all flight details are correct before booking.
mer. 6/1210:33 pmPDX - TYS
2 stops21h 07mMultiple Airlines
mar. 6/188:30 amTYS - PDX
2 stops31h 39mMultiple Airlines
Deal found 5/31$398
mer. 6/1210:33 pmPDX - TYS
2 stops21h 07mMultiple Airlines
mar. 6/1810:00 amTYS - PDX
3 stops27h 53mMultiple Airlines
Deal found 5/31$404
mer. 6/125:00 amPDX - TYS
1 stop7h 41mUnited Airlines
mar. 6/183:10 pmTYS - PDX
1 stop10h 16mUnited Airlines
Deal found 5/31$427
mer. 6/125:20 amPDX - TYS
3 stops34h 09mMultiple Airlines
mar. 6/1810:00 amTYS - PDX
3 stops27h 53mMultiple Airlines
Deal found 5/31$469
mar. 6/1112:15 amPDX - TYS
1 stop7h 02mUnited Airlines
mar. 6/187:00 amTYS - PDX
1 stop7h 47mUnited Airlines
Deal found 5/31$481
ven. 6/711:53 amPDX - TYS
1 stop8h 07mDelta
dim. 6/97:59 pmTYS - PDX
1 stop7h 15mDelta
Deal found 6/1$498
ven. 6/711:09 amPDX - TYS
2 stops9h 49mAmerican Airlines
dim. 6/96:24 pmTYS - PDX
1 stop7h 44mAmerican Airlines
Deal found 6/1$503
mar. 6/1112:15 amPDX - TYS
2 stops11h 25mUnited Airlines
mar. 6/187:00 amTYS - PDX
1 stop7h 47mUnited Airlines
Deal found 5/31$518
mar. 6/1112:15 amPDX - TYS
2 stops11h 25mUnited Airlines
mar. 6/183:10 pmTYS - PDX
2 stops10h 26mUnited Airlines
Deal found 5/31$523

One-way flights to Knoxville from Portland

Search for one-way flight options from Portland to Knoxville. 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 juin 2, 2024.
If you're seeking multiple options on one-way flights from Portland to Knoxville, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from Portland to Knoxville instead should update the search form at the top of page.
ven. 8/912:49 amPDX - TYS
1 stop17h 14mFrontier
Deal found 6/1$146
ven. 8/912:39 amPDX - TYS
2 stops11h 18mDelta
Deal found 6/1$174
sam. 8/108:43 amPDX - TYS
1 stop9h 20mFrontier
Deal found 6/1$279
sam. 8/1011:58 pmPDX - TYS
2 stops9h 16mAmerican Airlines
Deal found 6/1$314
sam. 8/1011:20 amPDX - TYS
3 stops20h 05mUnited Airlines
Deal found 6/1$553

Find flights from Portland to Knoxville within your budget

Customize your flight search to find flights from Portland to Knoxville 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 juin 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$228 - $388

Route

Depart

Return

Price

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

lun. 7/8

1 stop9h 17m

Knoxville McGhee Tyson

lun. 7/15

1 stop11h 09m

$228

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

lun. 7/8

1 stop9h 17m

Knoxville McGhee Tyson

ven. 7/12

1 stop12h 07m

$244

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

ven. 8/2

1 stop17h 14m

Knoxville McGhee Tyson

sam. 8/10

1 stop28h 56m

$245

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

mer. 8/14

1 stop8h 16m

Knoxville McGhee Tyson

mer. 8/21

1 stop7h 43m

$248

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

mar. 8/13

2 stops11h 25m

Knoxville McGhee Tyson

mar. 8/20

1 stop9h 25m

$253

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

mar. 8/13

2 stops9h 16m

Knoxville McGhee Tyson

mar. 8/20

2 stops10h 14m

$258

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

jeu. 8/15

1 stop9h 30m

Knoxville McGhee Tyson

sam. 8/24

1 stop8h 44m

$268

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

jeu. 8/15

2 stops21h 22m

Knoxville McGhee Tyson

sam. 8/24

2 stops13h 33m

$311

PortlandKnoxville McGhee Tyson

PDX - TYS

PDXTYS

Portland

mer. 7/10

1 stop8h 32m

Knoxville McGhee Tyson

mar. 7/16

2 stops10h 27m

$388

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I book a flight from Portland to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Knoxville. Price data was last updated on May 31, 2024.
The best time to book flights from Portland to Knoxville is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Portland to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Portland to Knoxville. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Knoxville flight should consider departing on Saturday at noon 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 Portland to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Portland 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 Knoxville by month

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

TYS

Temperature

39.2 - 78.8 °F

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated juin 2, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and United Airlines from Portland to Knoxville to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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

Boarding

8.2

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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

Boarding

8.2

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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

Boarding

8.2

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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

Boarding

8.2

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Frontier
6.2
Okay
4,006 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

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

  • Can I find flights from Portland to Knoxville for under $300 on Cheapflights?

    Yes, there are multiple flights from Portland to Knoxville for under $300. The cheapest flight booked recently is on Frontier for just $228, but on average you can expect to pay $274.

  • Are there last-minute flights available from Portland to Knoxville for under $400?

    There are currently 10+ open flights from Portland to Knoxville within the next 7 days for less than $400.

  • What are the cheapest airlines flying from Portland to Knoxville round-trip?

    Cheapflights users have booked flights from Portland to Knoxville round-trip from $228. Other airlines that can offer you cheap pricing are American Airlines, from $248, and United Airlines, from $268. Frontier is 57% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Portland to Knoxville one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $146. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Portland to Knoxville for a low price.

  • What does PDX to TYS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Portland Airport to Knoxville McGhee Tyson Airport flight would often be abbreviated as a PDX to TYS flight.

  • Can I find deals for flights from Portland to Knoxville that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Knoxville 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 Portland to Knoxville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Knoxville 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 Portland to Knoxville that include hotel bookings?

    Yes. In addition to deals on Portland to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Knoxville?

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

  • Can I find deals for business class flights from Portland to Knoxville?

    Yes. Cheapflights offers flight deals from Portland to Knoxville 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 Portland to Knoxville that allow pets onboard?

    Many airlines flying from Portland to Knoxville 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 Portland to Knoxville?

    Yes, you can often find last-minute deals on Portland to Knoxville 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 Portland to Knoxville flight deals updated?

    The Portland to Knoxville flight deals you see on this page were last updated on 6/1.

  • What are the most popular airlines that fly from Portland to Knoxville?

    Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Portland to Knoxville.

  • What is the cheapest month to book a flight from Portland to Knoxville?

    Currently, February is the cheapest month in which you can book a flight from Portland to Knoxville (average of $302). Flying from Portland to Knoxville in April is currently the most expensive (average of $376). 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 Portland to Knoxville
See prices for flight routes from nearby airports that may be better suited for you.

Portland to Nashville flights
Boise to Nashville flights
Portland to Memphis flights
Redmond to Knoxville flights
Eugene to Nashville flights
Medford to Nashville flights
Eugene to Memphis flights
Redmond to Nashville flights
Boise to Knoxville flights
Portland to Chattanooga flights
Medford to Knoxville flights
Medford to Memphis flights
Portland to Blountville flights
Boise to Memphis flights
Eugene to Knoxville flights
Boise to Chattanooga flights
Redmond to Blountville flights
Eugene to Blountville flights
Yakima to Memphis flights

Top 5 airlines flying from Portland to Knoxville

Discover the top 5 airlines that operate flights from Portland to Knoxville. 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 juin 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$182Average$306FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$307Average$507FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$324Average$536FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$344Average$642FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$734Average$777FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Tijuana to Mexico City flights
USA to Saudi Arabia flights
New York to Vancouver flights
Atlanta to Philadelphia flights
USA to France flights
Austin to Los Angeles flights
Boston to Dallas flights
Seattle to New Delhi flights
San Diego to Honolulu flights
Los Angeles to New Orleans flights
San Francisco to Las Vegas flights
Portland to Tanzania flights

Search flights from Portland to Knoxville by cabin class

Find flights from Portland to Knoxville, 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 Portland to Knoxville?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Knoxville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portland to Knoxville?

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 Portland to Knoxville.

Can Cheapflights find flights from Portland to Knoxville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Knoxville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portland to Knoxville 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