HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$94+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
dic. 25 — ene. 11
jue. 12/25
jue. 1/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(Kiwi.com)

One-way from

$94
(WAYA)

Popular in

December

Cheapest in

August

Average price

$456
Provider with most accurate pricing for Knoxville McGhee Tyson-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Seattle/Tacoma Intl flights.
Search Deals
From Knoxville McGhee Tyson to Washington
Search Deals
One-way flight from Knoxville McGhee Tyson to Washington
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/23. 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 stop24h 09mMultiple Airlines
Deal found 11/23$285
This Kiwi.com deal was found by Cheapflights users on 11/25. 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. 12/311:25 pmSEA - TYS
1 stop23h 06mMultiple Airlines
Deal found 11/25$305
This Kiwi.com deal was found by Cheapflights users on 11/24. 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. 12/311:58 pmTYS - SEA
1 stop25h 32mMultiple Airlines
sáb. 1/36:12 pmSEA - TYS
1 stop25h 10mMultiple Airlines
Deal found 11/24$357
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 - PDX
1 stop24h 45mMultiple Airlines
dom. 1/412:47 pmPDX - TYS
1 stop24h 04mMultiple Airlines
Deal found 11/23$361
This United Airlines deal was found by Cheapflights users on 11/25. 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.
mié. 12/108:50 amTYS - PSC
1 stop7h 34mUnited Airlines
dom. 12/143:11 pmPSC - TYS
2 stops16h 37mUnited Airlines
Deal found 11/25$364
This Kiwi.com deal was found by Cheapflights users on 11/24. 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. 12/216:30 amTYS - SEA
2 stops34h 24mMultiple Airlines
mié. 12/311:25 pmSEA - TYS
1 stop23h 06mMultiple Airlines
Deal found 11/24$367
This American Airlines deal was found by Cheapflights users on 11/24. 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.
mar. 12/95:24 amTYS - PDX
1 stop10h 35mAmerican Airlines
sáb. 12/1311:59 pmPDX - TYS
1 stop8h 20mAmerican Airlines
Deal found 11/24$367
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 44mFrontier
mié. 12/311:25 pmSEA - TYS
1 stop23h 06mFrontier
Deal found 11/24$376
This American Airlines deal was found by Cheapflights users on 11/24. 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.
dom. 12/213:03 pmTYS - SEA
1 stop11h 10mAmerican Airlines
mar. 12/3012:14 amSEA - TYS
1 stop12h 42mAmerican Airlines
Deal found 11/24$399
This Kiwi.com deal was found by Cheapflights users on 11/25. 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
vie. 12/129:45 amSEA - TYS
2 stops23h 18mMultiple Airlines
Deal found 11/25$406
This Kiwi.com deal was found by Cheapflights users on 11/23. 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. 12/239:27 pmTYS - PDX
2 stops42h 57mMultiple Airlines
dom. 1/412:47 pmPDX - TYS
1 stop24h 04mMultiple Airlines
Deal found 11/23$419
This American Airlines deal was found by Cheapflights users on 11/23. 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. 12/244:29 pmTYS - PDX
1 stop8h 20mAmerican Airlines
sáb. 1/312:49 amPDX - TYS
1 stop7h 39mAmerican Airlines
Deal found 11/23$437

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 25, 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

dom. 12/7

6:30 am-11:53 am

1 stop8h 23m

Seattle/Tacoma Intl

sáb. 12/13

12:48 pm-3:57 pm

1 stop24h 09m

$285

KnoxvillePasco

TYS - PSC

TYSPSC

Knoxville McGhee Tyson

vie. 2/6

10:11 am-7:58 pm

2 stops12h 47m

Pasco Tri Cities

mar. 2/10

5:00 am-8:56 pm

2 stops12h 56m

$334

KnoxvillePasco

TYS - PSC

TYSPSC

Knoxville McGhee Tyson

sáb. 1/17

5:40 am-12:03 pm

2 stops9h 23m

Pasco Tri Cities

mié. 1/21

6:00 am-8:47 pm

2 stops11h 47m

$354

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

mié. 12/24

1:58 pm-12:42 am

2 stops37h 44m

Seattle/Tacoma Intl

mié. 12/31

1:25 pm-3:31 pm

1 stop23h 06m

$354

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

mié. 12/31

1:58 pm-12:30 pm

1 stop25h 32m

Seattle/Tacoma Intl

sáb. 1/3

6:12 pm-10:22 pm

1 stop25h 10m

$357

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mié. 12/24

1:58 pm-11:43 am

1 stop24h 45m

Portland

dom. 1/4

12:47 pm-3:51 pm

1 stop24h 04m

$361

KnoxvillePasco

TYS - PSC

TYSPSC

Knoxville McGhee Tyson

mié. 12/10

8:50 am-1:24 pm

1 stop7h 34m

Pasco Tri Cities

dom. 12/14

3:11 pm-10:48 am

2 stops16h 37m

$364

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mié. 1/7

5:40 am-10:34 am

1 stop7h 54m

Portland

mié. 1/14

6:50 am-5:16 pm

1 stop7h 26m

$367

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mié. 1/7

9:30 am-6:10 pm

2 stops11h 40m

Portland

mié. 1/14

7:00 am-4:53 pm

1 stop6h 53m

$372

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mar. 12/9

6:18 pm-11:23 pm

1 stop8h 05m

Portland

sáb. 12/13

11:59 pm-2:29 pm

2 stops11h 30m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 43 results
1
2
3
...
5

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 $308). 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 25, 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 70% 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 25, 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
7,999 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
7,999 reviews
Delta
7.9
Good
7,999 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
9,046 reviews
Delta
7.9
Good
7,999 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
11,038 reviews
Delta
7.9
Good
7,999 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
3,099 reviews
Delta
7.9
Good
7,999 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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, Delta, and United Airlines fly from Knoxville to State of Washington in about 7h 34m. The time it takes to get you to your destination can typically vary by up to 5h 13m. There are 1947 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 $308). 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 Knoxville to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to LaGuardia flights
Nashville to John F Kennedy Intl flights
Nashville to Newark flights
Memphis to LaGuardia flights
Nashville to Los Angeles flights
Chattanooga to LaGuardia flights
Nashville to Las Vegas flights
Nashville to Denver flights
Nashville to Orlando flights
Nashville to Fort Lauderdale flights
Nashville to Seattle flights
Memphis to John F Kennedy Intl flights
Nashville to Sky Harbor Intl flights
Memphis to Newark flights
Nashville to Miami flights
Memphis to O'Hare Intl flights
Nashville to O'Hare Intl flights
Knoxville to LaGuardia flights
Chattanooga to John F Kennedy Intl flights
Nashville to Boston flights
Memphis to Atlanta flights
Nashville to Salt Lake City flights
Nashville to Dallas/Fort Worth flights
Memphis to Orlando flights
Memphis to Miami flights
Memphis to Las Vegas flights
Knoxville to O'Hare Intl flights
Nashville to Tampa flights
Memphis to Los Angeles flights
Knoxville to John F Kennedy Intl flights
Memphis to Denver flights
Nashville to Dulles Intl flights
Memphis to Dallas/Fort Worth flights
Memphis to Hobby flights
Nashville to Hobby flights
Chattanooga to Newark flights
Nashville to San Francisco flights
Nashville to Ontario flights
Nashville to Honolulu flights
Nashville to Raleigh flights
Chattanooga to Orlando flights
Knoxville to Seattle flights
Nashville to Santa Ana flights
Nashville to Midway flights
Chattanooga to Las Vegas flights
Knoxville to Hobby flights
Nashville to Baltimore flights
Nashville to George Bush Intcntl flights
Nashville to Reagan-National flights
Knoxville to Denver flights

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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$192Average$506FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$248Average$330FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$288Average$547FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$741FlexibilityNo cancel feeOn-time69%

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.