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Knoxville

$131+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TYS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find 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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/1111:01 amSEA - TYS
1 stop27h 01mMultiple Airlines
Thu 12/186:30 amTYS - SEA
1 stop9h 00mMultiple Airlines
Deal found 11/11$213
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/119:13 pmGEG - TYS
1 stop16h 49mMultiple Airlines
Sun 12/146:30 amTYS - GEG
1 stop7h 43mMultiple Airlines
Deal found 11/11$269
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 11/201:01 pmSEA - TYS
1 stop23h 52mMultiple Airlines
Mon 11/2412:33 pmTYS - SEA
2 stops27h 49mMultiple Airlines
Deal found 11/12$287
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Fri 11/211:01 pmSEA - TYS
1 stop27h 09mMultiple Airlines
Mon 11/248:30 amTYS - SEA
1 stop31h 52mMultiple Airlines
Deal found 11/11$316
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 12/181:25 pmSEA - TYS
2 stops29h 22mMultiple Airlines
Thu 1/84:23 pmTYS - SEA
1 stop21h 58mMultiple Airlines
Deal found 11/12$344
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Wed 12/243:59 pmPDX - TYS
2 stops20h 32mMultiple Airlines
Wed 12/311:58 pmTYS - PDX
1 stop24h 45mMultiple Airlines
Deal found 11/10$344
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/119:13 pmGEG - TYS
1 stop16h 49mMultiple Airlines
Thu 12/184:26 pmTYS - GEG
2 stops20h 21mMultiple Airlines
Deal found 11/11$357
This Delta deal was found by Cheapflights users on 11/13. 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.
Tue 12/911:20 pmPDX - TYS
1 stop9h 27mDelta
Sat 12/137:30 amTYS - PDX
2 stops13h 13mDelta
Deal found 11/13$368
This American Airlines deal was found by Cheapflights users on 11/11. 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 12/912:31 amSEA - TYS
1 stop8h 04mAmerican Airlines
Sat 12/135:45 pmTYS - SEA
1 stop8h 40mAmerican Airlines
Deal found 11/11$372
This Delta deal was found by Cheapflights users on 11/11. 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.
Thu 12/111:12 pmGEG - TYS
1 stop7h 16mDelta
Thu 12/183:57 pmTYS - GEG
1 stop9h 28mDelta
Deal found 11/11$385
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Thu 12/185:23 amSEA - TYS
1 stop7h 16mAmerican Airlines
Thu 1/86:51 pmTYS - SEA
1 stop8h 00mAmerican Airlines
Deal found 11/13$385
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 12/2512:39 pmPDX - TYS
2 stops25h 23mMultiple Airlines
Wed 12/311:58 pmTYS - PDX
1 stop24h 45mMultiple Airlines
Deal found 11/10$394

Cheap flight deals from Washington to Knoxville

Keep the following information in mind while searching for Washington to Knoxville flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$213
(Kiwi.com)

One-way from

$131
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$579
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. 15% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 13, 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

Thu 12/11

9:13 pm-5:02 pm

1 stop16h 49m

Knoxville McGhee Tyson

Sun 12/14

6:30 am-11:13 am

1 stop7h 43m

$269

PascoKnoxville

PSC - TYS

PSCTYS

Pasco Tri Cities

Tue 2/24

4:58 pm-9:06 am

2 stops13h 08m

Knoxville McGhee Tyson

Sat 2/28

1:30 pm-11:08 pm

2 stops12h 38m

$334

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Thu 12/18

1:25 pm-9:47 pm

2 stops29h 22m

Knoxville McGhee Tyson

Thu 1/8

4:23 pm-11:21 am

1 stop21h 58m

$344

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 12/24

3:59 pm-3:31 pm

2 stops20h 32m

Knoxville McGhee Tyson

Wed 12/31

1:58 pm-11:43 am

1 stop24h 45m

$344

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Wed 4/22

5:00 am-3:02 pm

1 stop7h 02m

Knoxville McGhee Tyson

Tue 4/28

4:18 pm-8:56 pm

1 stop7h 38m

$359

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Tue 3/3

6:04 am-3:21 pm

1 stop6h 17m

Knoxville McGhee Tyson

Wed 3/4

1:00 pm-6:58 pm

1 stop8h 58m

$359

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Tue 4/7

11:59 pm-10:08 am

1 stop7h 09m

Knoxville McGhee Tyson

Tue 4/14

2:24 pm-8:52 pm

1 stop9h 28m

$359

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 12/9

10:10 pm-9:38 am

1 stop8h 28m

Knoxville McGhee Tyson

Sat 12/13

7:30 am-5:43 pm

2 stops13h 13m

$368

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Wed 12/10

2:19 pm-11:59 pm

1 stop6h 40m

Knoxville McGhee Tyson

Sat 12/13

6:18 pm-11:38 pm

1 stop8h 20m

$372

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Thu 12/11

9:13 pm-5:02 pm

1 stop16h 49m

Knoxville McGhee Tyson

Thu 12/18

6:30 am-9:47 am

2 stops30h 17m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 56 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 February is currently the most expensive (average of $281). 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 November 13, 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?

    Delta, United Airlines, and American Airlines can get you from State of Washington to Knoxville in just under 6h 40m. Your travel time can differ by up to 6h 28m. 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 Frontier, which is currently one of the cheapest options available, starting at $143. American Airlines flights start at $180 while deals on United Airlines start at $184 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 February is currently the most expensive (average of $281). 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
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Alternative routes for Washington to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$451FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$190Average$280FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$288Average$588FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$507FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$483Average$776FlexibilityNo cancel feeOn-time75%

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