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$141+ Cheap flights from Knoxville (TYS) to Washington

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Knoxville to Washington

Keep the following information in mind while searching for Knoxville to Washington flight deals. Data was last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$271
(American Airlines)

One-way from

$178
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$586
Provider with most accurate pricing for Knoxville McGhee Tyson-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Seattle/Tacoma Intl flights.
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From Knoxville McGhee Tyson to Washington
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One-way flight from Knoxville McGhee Tyson to Washington
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Highest demand for flights based on searches. 3% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Knoxville to Washington

Cheapest flights from Knoxville to Washington
Explore the most affordable flight options available from Knoxville to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 1/317:54 amTYS - SEA
1 stop17h 26mAmerican Airlines
Sat 2/78:04 amSEA - TYS
1 stop10h 50mAmerican Airlines
Deal found 1/7$271
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Tue 3/36:45 amTYS - PDX
1 stop8h 10mUnited Airlines
Wed 3/1111:10 pmPDX - TYS
1 stop8h 39mUnited Airlines
Deal found 1/7$271
This Delta deal was found by Cheapflights users on 1/8. 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 3/31:00 pmTYS - PDX
2 stops10h 55mDelta
Tue 3/1012:30 amPDX - TYS
2 stops13h 13mDelta
Deal found 1/8$282
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/1110:00 amTYS - PDX
1 stop25h 58mMultiple Airlines
Mon 3/169:53 pmPDX - TYS
2 stops42h 10mMultiple Airlines
Deal found 1/7$291
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Wed 3/410:18 amTYS - PDX
2 stops11h 58mAmerican Airlines
Wed 3/119:44 pmPDX - TYS
1 stop7h 58mAmerican Airlines
Deal found 1/6$293
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/410:00 amTYS - SEA
2 stops25h 13mMultiple Airlines
Mon 3/910:08 pmSEA - TYS
1 stop16h 26mMultiple Airlines
Deal found 1/7$294
This American Airlines deal was found by Cheapflights users on 1/7. 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 2/245:05 amTYS - PDX
1 stop9h 02mAmerican Airlines
Mon 3/911:46 amPDX - TYS
1 stop6h 38mAmerican Airlines
Deal found 1/7$303
This United Airlines deal was found by Cheapflights users on 1/8. 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.
Tue 2/2410:53 amTYS - PDX
1 stop7h 34mUnited Airlines
Mon 3/27:57 pmPDX - TYS
2 stops11h 15mUnited Airlines
Deal found 1/8$308
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Wed 3/411:42 amTYS - SEA
1 stop14h 22mAmerican Airlines
Sun 3/812:13 amSEA - TYS
1 stop13h 18mAmerican Airlines
Deal found 1/7$311
This Delta deal was found by Cheapflights users on 1/8. 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 2/241:00 pmTYS - PDX
2 stops13h 53mDelta
Mon 3/97:10 pmPDX - TYS
2 stops11h 06mDelta
Deal found 1/8$314
This American Airlines deal was found by Cheapflights users on 1/8. 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 5/51:20 pmTYS - SEA
1 stop11h 03mAmerican Airlines
Tue 5/127:00 amSEA - TYS
1 stop13h 56mAmerican Airlines
Deal found 1/8$315
This United Airlines deal was found by Cheapflights users on 1/7. 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 2/44:55 pmTYS - PDX
1 stop8h 58mUnited Airlines
Sat 2/710:47 amPDX - TYS
1 stop7h 05mUnited Airlines
Deal found 1/7$319

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Washington 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 January 8, 2026.
Use the filters below to find and compare flights from Knoxville to Washington that are best for you.

Fly from

Knoxville

Fly to

Washington

Route

Depart

Return

Price

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 3/4

6:21 pm-11:27 pm

1 stop8h 06m

Portland

Wed 3/11

9:44 pm-8:42 am

1 stop7h 58m

$271

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Tue 3/3

6:45 am-11:55 am

1 stop8h 10m

Portland

Wed 3/11

11:10 pm-10:49 am

1 stop8h 39m

$271

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 3/4

6:35 am-12:44 pm

1 stop9h 09m

Portland

Tue 3/10

12:30 am-4:43 pm

2 stops13h 13m

$276

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Tue 3/3

1:00 pm-8:55 pm

2 stops10h 55m

Portland

Tue 3/10

12:30 am-4:43 pm

2 stops13h 13m

$282

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Wed 3/4

10:00 am-8:13 am

2 stops25h 13m

Seattle/Tacoma Intl

Mon 3/9

10:08 pm-5:34 pm

1 stop16h 26m

$294

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Thu 3/5

4:29 pm-9:52 pm

1 stop8h 23m

Portland

Tue 3/10

10:35 pm-8:42 am

1 stop7h 07m

$303

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Thu 2/26

2:49 pm-8:44 pm

1 stop8h 55m

Portland

Tue 3/3

11:35 pm-11:57 am

2 stops9h 22m

$308

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Thu 3/5

4:02 pm-12:24 am

1 stop11h 22m

Seattle/Tacoma Intl

Mon 3/9

12:13 am-4:31 pm

1 stop13h 18m

$311

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 2/4

12:17 pm-8:27 pm

2 stops11h 10m

Portland

Sat 2/7

8:29 am-10:47 pm

2 stops11h 18m

$330

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Mon 2/23

4:29 pm-9:52 pm

1 stop8h 23m

Portland

Sat 2/28

5:40 am-5:31 pm

1 stop8h 51m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 52 results
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Best time to book a flight from Knoxville to Washington

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

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

Currently, April is the cheapest month in which you can book a flight from Knoxville to State of Washington (average of $173). Flying from Knoxville to State of Washington in December is currently the most expensive (average of $318). 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.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated January 8, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Knoxville to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,025 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,139 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,097 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
3,061 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    If you book a flight to Washington from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville.

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

    Airlines like American Airlines, United Airlines, and Delta fly from Knoxville to State of Washington in about 8h 06m. The time it takes to get you to your destination can typically vary by up to 1h 03m. There are 2107 mi between Knoxville and State of Washington. This flight may include one or multiple stops.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Washington 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 Knoxville to State of Washington?

    Currently, April is the cheapest month in which you can book a flight from Knoxville to State of Washington (average of $173). Flying from Knoxville to State of Washington in December is currently the most expensive (average of $318). 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

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Top 4 airlines flying from Knoxville to Washington

Discover the top 4 airlines that operate flights from Knoxville to Washington. 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$192Average$497FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$248Average$330FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$288Average$544FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$662FlexibilityNo cancel feeOn-time69%

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