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Knoxville

$114+ Cheap flights from Washington to Knoxville (TYS)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TYS
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from Washington to Knoxville

Cheapest flights from Washington to Knoxville
Explore the most affordable flight options available from Washington to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This American Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:49 amPDX - TYS
1 stop7h 39mAmerican Airlines
Sun 1/46:20 pmTYS - PDX
1 stop9h 34mAmerican Airlines
Deal found 12/20$429
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:45 pmPDX - TYS
2 stops12h 11mUnited Airlines
Sun 1/411:58 amTYS - PDX
1 stop10h 45mUnited Airlines
Deal found 12/20$463
This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:54 pmSEA - TYS
1 stop19h 17mMultiple Airlines
Tue 12/304:46 pmTYS - SEA
1 stop22h 44mMultiple Airlines
Deal found 12/20$538
This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:02 pmGEG - TYS
1 stop22h 09mMultiple Airlines
Sat 1/38:00 amTYS - GEG
2 stops30h 07mMultiple Airlines
Deal found 12/20$569
This Kiwi.com deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:45 pmPDX - TYS
2 stops16h 06mMultiple Airlines
Sun 1/46:30 amTYS - PDX
1 stop8h 13mMultiple Airlines
Deal found 12/19$591
This Kiwi.com deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:31 pmSEA - TYS
2 stops20h 40mMultiple Airlines
Wed 12/241:58 pmTYS - SEA
1 stop25h 32mMultiple Airlines
Deal found 12/19$618
This American Airlines deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:59 pmGEG - TYS
1 stop8h 29mAmerican Airlines
Sun 12/215:08 pmTYS - GEG
1 stop7h 35mAmerican Airlines
Deal found 12/19$623
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:05 amGEG - TYS
1 stop6h 55mUnited Airlines
Sat 1/35:35 pmTYS - GEG
1 stop7h 55mUnited Airlines
Deal found 12/20$625
This Kiwi.com deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:54 pmSEA - TYS
1 stop21h 57mFrontier
Tue 12/304:46 pmTYS - SEA
1 stop22h 44mFrontier
Deal found 12/19$637
This United Airlines deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:00 amPDX - TYS
2 stops11h 51mUnited Airlines
Fri 1/27:00 amTYS - PDX
1 stop9h 20mUnited Airlines
Deal found 12/19$652
This Kiwi.com deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:19 pmPDX - TYS
1 stop23h 43mMultiple Airlines
Sun 1/46:30 amTYS - PDX
1 stop8h 13mMultiple Airlines
Deal found 12/19$655
This Delta deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:16 pmPDX - TYS
1 stop7h 57mDelta
Tue 1/65:40 amTYS - PDX
1 stop7h 54mDelta
Deal found 12/19$662

Find flight deals from Washington to Knoxville

Keep the following information in mind while searching for Washington to Knoxville flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$314
(Delta)

One-way from

$114
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$543
Provider with most accurate pricing for Seattle/Tacoma Intl-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Knoxville McGhee Tyson flights.
Search Deals
From Washington to Knoxville McGhee Tyson
Search Deals
One-way flight from Washington to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Washington to Knoxville that are best for you.

Fly from

Washington

Fly to

Knoxville

Route

Depart

Return

Price

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 2/3

6:00 am-5:42 pm

1 stop8h 42m

Knoxville McGhee Tyson

Tue 2/10

12:21 pm-6:49 pm

1 stop9h 28m

$321

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 2/10

6:00 am-3:46 pm

1 stop6h 46m

Knoxville McGhee Tyson

Tue 2/17

7:42 am-12:14 pm

1 stop7h 32m

$321

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Wed 1/14

7:00 am-4:49 pm

1 stop6h 49m

Knoxville McGhee Tyson

Wed 1/28

12:17 pm-7:04 pm

1 stop9h 47m

$359

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Sun 1/11

11:01 pm-4:54 pm

1 stop14h 53m

Knoxville McGhee Tyson

Sat 1/17

12:15 pm-8:27 pm

2 stops11h 12m

$364

PascoKnoxville

PSC - TYS

PSCTYS

Pasco Tri Cities

Tue 1/13

6:50 am-8:47 pm

2 stops10h 57m

Knoxville McGhee Tyson

Thu 1/29

7:30 am-4:23 pm

2 stops11h 53m

$374

PascoKnoxville

PSC - TYS

PSCTYS

Pasco Tri Cities

Sat 1/10

6:00 am-6:58 pm

2 stops9h 58m

Knoxville McGhee Tyson

Tue 1/27

5:40 am-12:03 pm

2 stops9h 23m

$374

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Thu 1/22

7:00 am-6:05 pm

1 stop8h 05m

Knoxville McGhee Tyson

Mon 1/26

4:55 pm-10:59 pm

1 stop9h 04m

$385

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Sat 2/14

11:59 pm-10:19 am

1 stop7h 20m

Knoxville McGhee Tyson

Sat 2/21

6:45 am-11:49 am

1 stop8h 04m

$385

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Thu 1/22

6:00 am-5:42 pm

1 stop8h 42m

Knoxville McGhee Tyson

Thu 1/29

4:41 pm-9:59 pm

1 stop8h 18m

$385

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Mon 1/19

11:59 pm-1:54 pm

2 stops10h 55m

Knoxville McGhee Tyson

Mon 1/26

4:41 pm-10:11 pm

1 stop8h 30m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 45 results
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Best time to book a flight from Washington to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Knoxville

What is the cheapest month to book a flight from State of Washington to Knoxville?

Currently, April is the cheapest month in which you can book a flight from State of Washington to Knoxville (average of $144). Flying from State of Washington to Knoxville in December is currently the most expensive (average of $329). 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.

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

Find hourly flight availability from Washington to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

It’s typically best to fly out from State of Washington to Knoxville in the evening. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from State of Washington to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Washington to Knoxville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Knoxville flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Washington to Knoxville. 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 into for flights to Knoxville from Washington?

    For a flight from Washington to Knoxville, you will be flying into McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city.

  • How long is the flight from State of Washington to Knoxville?

    American Airlines, Delta, and United Airlines can get you from State of Washington to Knoxville in just under 8h 05m. Your travel time can differ by up to 2h 52m. State of Washington and Knoxville are separated by a distance of 2109 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Knoxville one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $218. Delta flights start at $218 while deals on United Airlines start at $228 one-way.

  • What are the most popular routes from State of Washington to Knoxville?

    The most popular route from State of Washington to Knoxville is Seattle/Tacoma Intl - Knoxville McGhee Tyson. You may also consider Portland - Knoxville McGhee Tyson or Spokane - Knoxville McGhee Tyson.

  • Can I find deals for flights from Washington to Knoxville that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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.

  • What is the cheapest month to book a flight from State of Washington to Knoxville?

    Currently, April is the cheapest month in which you can book a flight from State of Washington to Knoxville (average of $144). Flying from State of Washington to Knoxville in December is currently the most expensive (average of $329). 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

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

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Top 5 airlines flying from Washington to Knoxville

Discover the top 5 airlines that operate flights from Washington 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 2,558,603 searches. Data last updated December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$454FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$190Average$280FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$524FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$273Average$500FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$483Average$776FlexibilityNo cancel feeOn-time75%

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