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$76+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
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 noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$326
(Kiwi.com)

One-way from

$76
(Booking.com)

Popular in

December

Cheapest in

August

Average price

$559
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. 9% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 noviembre 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
dom. 12/76:30 amTYS - SEA
1 stop8h 23mMultiple Airlines
sáb. 12/1312:48 pmSEA - TYS
1 stop21h 23mMultiple Airlines
Deal found 11/4$181
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/114:52 pmTYS - SEA
1 stop22h 01mFrontier
sáb. 1/102:02 pmSEA - TYS
1 stop21h 35mFrontier
Deal found 11/4$185
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
vie. 11/214:48 pmTYS - GEG
1 stop21h 23mMultiple Airlines
dom. 11/234:57 pmGEG - TYS
1 stop21h 35mMultiple Airlines
Deal found 11/5$326
This American Airlines deal was found by Cheapflights users on 11/6. 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.
sáb. 12/61:14 pmTYS - SEA
1 stop13h 11mAmerican Airlines
vie. 12/1212:38 amSEA - TYS
1 stop13h 34mAmerican Airlines
Deal found 11/6$335
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
sáb. 11/228:05 pmTYS - GEG
2 stops23h 02mMultiple Airlines
vie. 11/2812:20 pmGEG - TYS
1 stop27h 50mMultiple Airlines
Deal found 11/5$339
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
jue. 11/137:17 pmTYS - PDX
1 stop19h 39mMultiple Airlines
sáb. 11/223:52 pmPDX - TYS
2 stops18h 32mMultiple Airlines
Deal found 11/4$339
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/610:15 amTYS - SEA
2 stops30h 15mMultiple Airlines
sáb. 12/1312:48 pmSEA - TYS
1 stop24h 09mMultiple Airlines
Deal found 11/6$340
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
mar. 12/234:46 pmTYS - SEA
1 stop22h 44mMultiple Airlines
sáb. 1/36:12 pmSEA - TYS
1 stop25h 10mMultiple Airlines
Deal found 11/4$344
This American Airlines deal was found by Cheapflights users on 11/5. 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.
mié. 12/101:14 pmTYS - SEA
1 stop13h 11mAmerican Airlines
sáb. 12/1312:38 amSEA - TYS
1 stop10h 49mAmerican Airlines
Deal found 11/5$345
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
jue. 11/137:17 pmTYS - PDX
1 stop19h 39mMultiple Airlines
lun. 11/173:26 pmPDX - TYS
2 stops42h 31mMultiple Airlines
Deal found 11/4$351
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
mié. 12/241:58 pmTYS - SEA
1 stop25h 32mMultiple Airlines
mié. 12/312:46 pmSEA - TYS
2 stops21h 45mMultiple Airlines
Deal found 11/4$353
This American Airlines deal was found by Cheapflights users on 11/5. 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.
jue. 12/111:14 pmTYS - SEA
1 stop13h 11mAmerican Airlines
dom. 12/1412:38 amSEA - TYS
1 stop10h 49mAmerican Airlines
Deal found 11/5$355

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 noviembre 6, 2025.
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

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

jue. 12/11

4:52 pm-11:53 am

1 stop22h 01m

Seattle/Tacoma Intl

sáb. 1/10

2:02 pm-2:37 pm

1 stop21h 35m

$185

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

vie. 11/21

4:48 pm-11:11 am

1 stop21h 23m

Spokane

dom. 11/23

4:57 pm-5:32 pm

1 stop21h 35m

$326

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

sáb. 11/22

8:05 pm-4:07 pm

2 stops23h 02m

Spokane

vie. 11/28

12:20 pm-7:10 pm

1 stop27h 50m

$339

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

jue. 11/13

7:17 pm-11:56 am

1 stop19h 39m

Portland

sáb. 11/22

3:52 pm-1:24 pm

2 stops18h 32m

$339

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

jue. 11/13

7:17 pm-11:56 am

1 stop19h 39m

Portland

lun. 11/17

3:26 pm-12:57 pm

2 stops42h 31m

$351

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

lun. 12/29

4:46 pm-1:54 pm

2 stops24h 08m

Seattle/Tacoma Intl

dom. 1/4

2:54 pm-3:51 pm

1 stop21h 57m

$371

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mié. 12/10

5:40 am-12:54 pm

2 stops10h 14m

Portland

sáb. 12/13

10:10 pm-9:38 am

1 stop8h 28m

$372

KnoxvillePasco

TYS - PSC

TYSPSC

Knoxville McGhee Tyson

jue. 11/20

11:45 am-11:07 pm

2 stops14h 22m

Pasco Tri Cities

lun. 11/24

5:05 am-8:20 pm

2 stops12h 15m

$392

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mié. 1/28

1:59 pm-6:56 pm

1 stop7h 57m

Portland

vie. 1/30

12:59 pm-11:44 pm

1 stop7h 45m

$402

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mar. 12/9

6:00 pm-10:19 pm

1 stop7h 19m

Portland

jue. 12/11

11:20 pm-11:47 am

1 stop9h 27m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 53 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 $172). Flying from Knoxville to State of Washington in December is currently the most expensive (average of $347). 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 TYS to WA?

Find hourly flight availability from Knoxville to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 6, 2025.

When flying from Knoxville to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 67% versus a flight in the morning.

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

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

Travelers seeking maximum savings on their Knoxville to State of Washington flight should consider departing on Thursday evenings 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.

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 noviembre 6, 2025.
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
8,001 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
9,007 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
11,040 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
5.8
Fair
3,115 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

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 Frontier, Delta, and United Airlines fly from Knoxville to State of Washington in about 10h 14m. The time it takes to get you to your destination can typically vary by up to 11h 47m. 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 $172). Flying from Knoxville to State of Washington in December is currently the most expensive (average of $347). 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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Alternative routes for Knoxville to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$502FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$248Average$330FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$288Average$550FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$766FlexibilityNo cancel feeOn-time69%

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