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Knoxville

$126+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TYS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 July 31, 2025.

Round-trip from

$250
(American Airlines)

One-way from

$126
(American Airlines)

Popular in

January

Cheapest in

July

Average price

$542
From Washington to Knoxville McGhee Tyson
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One-way flight from Washington to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 14% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/31. 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 8/265:34 amPDX - TYS
1 stop9h 15mAmerican Airlines
Sat 8/3012:20 pmTYS - PDX
1 stop7h 27mAmerican Airlines
Deal found 7/31$250
This Delta deal was found by Cheapflights users on 7/30. 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 9/610:57 pmPDX - TYS
2 stops11h 11mDelta
Tue 9/96:36 amTYS - PDX
2 stops9h 19mDelta
Deal found 7/30$261
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:01 pmPDX - TYS
1 stop18h 28mFrontier
Thu 8/218:36 pmTYS - PDX
1 stop6h 39mFrontier
Deal found 7/30$265
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:17 amSEA - TYS
1 stop10h 24mFrontier
Mon 8/257:10 pmTYS - SEA
1 stop8h 24mFrontier
Deal found 7/30$278
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/1712:35 pmGEG - TYS
1 stop8h 46mAmerican Airlines
Fri 9/262:07 pmTYS - GEG
1 stop7h 32mAmerican Airlines
Deal found 7/30$289
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Wed 9/108:18 pmPDX - TYS
2 stops23h 50mMultiple Airlines
Mon 9/158:30 amTYS - PDX
1 stop13h 53mMultiple Airlines
Deal found 7/30$293
This Delta deal was found by Cheapflights users on 7/30. 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 8/212:21 pmGEG - TYS
1 stop6h 34mDelta
Sun 8/315:45 amTYS - GEG
2 stops9h 56mDelta
Deal found 7/30$294
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/96:42 amSEA - TYS
1 stop9h 08mAmerican Airlines
Fri 9/193:13 pmTYS - SEA
1 stop7h 56mAmerican Airlines
Deal found 7/29$309
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 8/315:00 amPDX - TYS
1 stop6h 50mUnited Airlines
Wed 9/37:00 amTYS - PDX
1 stop7h 49mUnited Airlines
Deal found 7/30$350
This Delta deal was found by Cheapflights users on 7/30. 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 9/312:05 pmSEA - TYS
1 stop8h 50mDelta
Tue 9/95:45 amTYS - SEA
2 stops16h 01mDelta
Deal found 7/30$363
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/275:15 amGEG - TYS
2 stops12h 41mUnited Airlines
Wed 9/37:00 amTYS - GEG
2 stops8h 36mUnited Airlines
Deal found 7/30$383
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:58 amSEA - TYS
1 stop9h 14mAlaska Airlines
Tue 9/162:07 pmTYS - SEA
1 stop9h 13mAlaska Airlines
Deal found 7/28$409

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 July 31, 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

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 8/26

5:34 am-5:49 pm

1 stop9h 15m

Knoxville McGhee Tyson

Sat 8/30

12:20 pm-4:47 pm

1 stop7h 27m

$250

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Sat 9/6

10:57 pm-1:08 pm

2 stops11h 11m

Knoxville McGhee Tyson

Tue 9/9

6:36 am-12:55 pm

2 stops9h 19m

$261

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Sat 8/16

7:01 pm-4:29 pm

1 stop18h 28m

Knoxville McGhee Tyson

Thu 8/21

8:36 pm-12:15 am

1 stop6h 39m

$265

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Thu 8/21

6:17 am-7:41 pm

1 stop10h 24m

Knoxville McGhee Tyson

Mon 8/25

7:10 pm-12:34 am

1 stop8h 24m

$278

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Wed 9/17

12:35 pm-12:21 am

1 stop8h 46m

Knoxville McGhee Tyson

Fri 9/26

2:07 pm-6:39 pm

1 stop7h 32m

$289

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 9/10

8:18 pm-11:08 pm

2 stops23h 50m

Knoxville McGhee Tyson

Mon 9/15

8:30 am-7:23 pm

1 stop13h 53m

$293

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Thu 8/21

2:21 pm-11:55 pm

1 stop6h 34m

Knoxville McGhee Tyson

Sun 8/31

5:45 am-12:41 pm

2 stops9h 56m

$294

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Tue 9/9

6:42 am-6:50 pm

1 stop9h 08m

Knoxville McGhee Tyson

Fri 9/19

3:13 pm-8:09 pm

1 stop7h 56m

$309

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Sun 8/31

5:00 am-2:50 pm

1 stop6h 50m

Knoxville McGhee Tyson

Sat 9/6

7:00 am-11:49 am

1 stop7h 49m

$350

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Wed 9/3

12:05 pm-11:55 pm

1 stop8h 50m

Knoxville McGhee Tyson

Tue 9/9

5:45 am-6:46 pm

2 stops16h 01m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 33 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, January is the cheapest month in which you can book a flight from State of Washington to Knoxville (average of $294). Flying from State of Washington to Knoxville in March is currently the most expensive (average of $376). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Knoxville as you normally would.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Washington to Knoxville, such as Alaska Airlines, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Allegiant Air
7.2
Good
702 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 $126. Frontier flights start at $127 while deals on Delta start at $231 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, January is the cheapest month in which you can book a flight from State of Washington to Knoxville (average of $294). Flying from State of Washington to Knoxville in March is currently the most expensive (average of $376). 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
Corbin
Alcoa
Oak Ridge
Murphy

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Alternative routes for Washington to Knoxville

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$453FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$168Average$268FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$288Average$541FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$642FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$483Average$723FlexibilityNo cancel feeOn-time75%

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