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Knoxville

$117+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TYS
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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 February 4, 2026.

This Delta deal was found by Cheapflights users on 2/2. 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.
Sat 5/235:30 pm
PSC
-
TYS
2 stops12h 57m
Delta
Thu 5/283:00 pm
TYS
-
PSC
2 stops11h 46m
Delta
Deal found 2/2$319
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/15:00 am
PDX
-
TYS
1 stop7h 06m
United Airlines
Tue 4/75:48 pm
TYS
-
PDX
1 stop7h 41m
United Airlines
Deal found 2/3$359
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/285:00 am
PDX
-
TYS
2 stops8h 52m
United Airlines
Tue 5/54:20 pm
TYS
-
PDX
1 stop7h 49m
United Airlines
Deal found 2/3$364
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:40 am
PDX
-
TYS
2 stops12h 10m
Southwest
Tue 5/52:55 pm
TYS
-
PDX
2 stops11h 05m
Southwest
Deal found 2/3$369
This American Airlines deal was found by Cheapflights users on 2/3. 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 4/1811:40 pm
PDX
-
TYS
1 stop9h 50m
American Airlines
Tue 4/215:06 pm
TYS
-
PDX
1 stop9h 47m
American Airlines
Deal found 2/3$372
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:25 am
PDX
-
TYS
2 stops11h 40m
Southwest
Tue 4/72:55 pm
TYS
-
PDX
2 stops11h 05m
Southwest
Deal found 2/3$375
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 4/1811:15 pm
PDX
-
TYS
1 stop8h 06m
Delta
Tue 4/2111:02 am
TYS
-
PDX
2 stops12h 03m
Delta
Deal found 2/3$377
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1111:59 pm
SEA
-
TYS
1 stop7h 09m
United Airlines
Sat 4/187:00 am
TYS
-
SEA
1 stop7h 48m
United Airlines
Deal found 2/4$385
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/17:00 am
PDX
-
TYS
1 stop6h 52m
United Airlines
Thu 4/94:30 pm
TYS
-
PDX
1 stop7h 44m
United Airlines
Deal found 2/2$385
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:07 pm
GEG
-
TYS
1 stop7h 38m
American Airlines
Tue 7/281:51 pm
TYS
-
GEG
1 stop9h 56m
American Airlines
Deal found 2/4$389
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 4/111:40 am
PDX
-
TYS
1 stop9h 17m
Delta
Thu 4/95:24 pm
TYS
-
PDX
2 stops9h 35m
Delta
Deal found 2/2$390
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:59 pm
SEA
-
TYS
1 stop7h 09m
United Airlines
Tue 4/145:48 pm
TYS
-
SEA
1 stop7h 49m
United Airlines
Deal found 2/4$393

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

One-way from

$117
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$593
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. 8% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 4, 2026.
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

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 4/28

11:59 pm-10:08 am

1 stop7h 09m

Knoxville McGhee Tyson

Tue 5/5

4:20 pm-9:09 pm

1 stop7h 49m

$359

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 4/1

5:25 am-8:05 pm

2 stops11h 40m

Knoxville McGhee Tyson

Tue 4/7

2:55 pm-11:00 pm

2 stops11h 05m

$375

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Sat 4/18

11:15 pm-10:21 am

1 stop8h 06m

Knoxville McGhee Tyson

Tue 4/21

11:02 am-8:05 pm

2 stops12h 03m

$377

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 4/28

8:00 am-9:26 pm

2 stops10h 26m

Knoxville McGhee Tyson

Sat 5/2

4:09 pm-10:49 pm

1 stop9h 40m

$377

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Mon 4/27

12:30 am-4:42 pm

2 stops13h 12m

Knoxville McGhee Tyson

Sat 5/2

7:50 am-5:32 pm

2 stops12h 42m

$383

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Mon 4/27

10:35 pm-10:08 am

1 stop8h 33m

Knoxville McGhee Tyson

Wed 5/13

7:00 am-11:39 am

1 stop7h 39m

$385

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 4/1

7:00 am-4:52 pm

1 stop6h 52m

Knoxville McGhee Tyson

Thu 4/9

4:30 pm-9:14 pm

1 stop7h 44m

$385

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 4/1

11:40 am-11:57 pm

1 stop9h 17m

Knoxville McGhee Tyson

Thu 4/9

5:24 pm-11:59 pm

2 stops9h 35m

$390

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 7/21

1:07 pm-11:45 pm

1 stop7h 38m

Knoxville McGhee Tyson

Tue 7/28

1:51 pm-11:06 pm

2 stops12h 15m

$394

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Thu 3/5

11:35 pm-8:40 pm

1 stop18h 05m

Knoxville McGhee Tyson

Thu 3/12

4:02 pm-12:15 am

1 stop11h 13m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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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 $323). 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.

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?

    United Airlines, Southwest, and Delta can get you from State of Washington to Knoxville in just under 7h 09m. Your travel time can differ by up to 4h 31m. State of Washington and Knoxville are separated by a distance of 2107 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 $323). 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$448FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$209Average$280FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$516FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$273Average$497FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$483Average$776FlexibilityNo cancel feeOn-time75%

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