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$102+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
jul. 5 — jul. 121
sáb. 7/5
sáb. 7/12
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 junio 30, 2025.

Round-trip from

$150
(Priceline)

One-way from

$102
(Priceline)

Popular in

February

Cheapest in

August

Average price

$706
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. 5% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 30, 2025.

This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/288:36 pmTYS - PDX
1 stop6h 39mFrontier
lun. 9/16:27 amPDX - TYS
1 stop8h 58mFrontier
Deal found 6/29$150
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/288:36 pmTYS - SEA
1 stop6h 58mFrontier
jue. 9/46:12 amSEA - TYS
1 stop10h 29mFrontier
Deal found 6/29$176
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2012:20 pmTYS - PDX
1 stop9h 32mAmerican Airlines
mar. 8/2611:35 amPDX - TYS
1 stop9h 44mAmerican Airlines
Deal found 6/28$251
This Delta deal was found by Cheapflights users on 6/30. 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.
mié. 8/206:03 pmTYS - PDX
1 stop8h 28mDelta
mié. 8/275:30 amPDX - TYS
2 stops11h 36mDelta
Deal found 6/30$256
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/42:07 pmTYS - GEG
1 stop7h 33mAmerican Airlines
lun. 9/86:00 amGEG - TYS
1 stop6h 41mAmerican Airlines
Deal found 6/28$289
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/226:14 pmTYS - GEG
1 stop6h 30mDelta
lun. 8/255:00 amGEG - TYS
2 stops9h 19mDelta
Deal found 6/29$294
This Mytrip deal was found by Cheapflights users on 6/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/2511:01 amTYS - PDX
1 stop14h 45mMultiple Airlines
mar. 7/293:10 pmPDX - TYS
2 stops17h 40mMultiple Airlines
Deal found 6/28$301
This Delta deal was found by Cheapflights users on 6/30. 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.
jue. 8/216:03 pmTYS - SEA
1 stop8h 51mDelta
mié. 8/276:00 amSEA - TYS
1 stop9h 22mDelta
Deal found 6/30$309
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1212:20 pmTYS - SEA
1 stop9h 56mAmerican Airlines
lun. 8/1812:46 amSEA - TYS
1 stop8h 40mAmerican Airlines
Deal found 6/28$310
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/87:00 amTYS - SEA
2 stops9h 54mUnited Airlines
lun. 11/1711:50 pmSEA - TYS
1 stop7h 15mUnited Airlines
Deal found 6/29$314
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/301:00 pmTYS - PSC
2 stops12h 27mDelta
mié. 9/35:40 pmPSC - TYS
2 stops21h 42mDelta
Deal found 6/29$352
This Mytrip deal was found by Cheapflights users on 6/30. 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.
vie. 8/111:01 amTYS - SEA
1 stop14h 49mMultiple Airlines
sáb. 8/95:30 pmSEA - TYS
2 stops17h 51mMultiple Airlines
Deal found 6/30$354

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 junio 30, 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

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

jue. 8/28

8:36 pm-12:15 am

1 stop6h 39m

Portland

lun. 9/1

6:27 am-6:25 pm

1 stop8h 58m

$150

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

jue. 8/28

8:36 pm-12:34 am

1 stop6h 58m

Seattle/Tacoma Intl

jue. 9/4

6:12 am-7:41 pm

1 stop10h 29m

$176

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mié. 8/20

12:20 pm-6:52 pm

1 stop9h 32m

Portland

mar. 8/26

11:35 am-12:19 am

1 stop9h 44m

$251

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

mié. 8/20

6:03 pm-11:31 pm

1 stop8h 28m

Portland

mié. 8/27

5:30 am-8:06 pm

2 stops11h 36m

$256

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

jue. 9/4

2:07 pm-6:40 pm

1 stop7h 33m

Spokane

lun. 9/8

6:00 am-3:41 pm

1 stop6h 41m

$289

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

vie. 8/22

6:14 pm-9:44 pm

1 stop6h 30m

Spokane

lun. 8/25

5:00 am-5:19 pm

2 stops9h 19m

$294

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

vie. 7/25

11:01 am-10:46 pm

1 stop14h 45m

Portland

mar. 7/29

3:10 pm-11:50 am

2 stops17h 40m

$301

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

jue. 8/21

6:03 pm-11:54 pm

1 stop8h 51m

Seattle/Tacoma Intl

mié. 8/27

6:00 am-6:22 pm

1 stop9h 22m

$309

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

mar. 8/12

5:27 pm-11:41 pm

1 stop9h 14m

Seattle/Tacoma Intl

lun. 8/18

12:46 am-12:26 pm

1 stop8h 40m

$310

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

sáb. 11/8

7:00 am-1:54 pm

2 stops9h 54m

Seattle/Tacoma Intl

lun. 11/17

11:50 pm-10:05 am

1 stop7h 15m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 31 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, January is the cheapest month in which you can book a flight from Knoxville to State of Washington (average of $238). Flying from Knoxville to State of Washington in July is currently the most expensive (average of $391). 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 junio 30, 2025.

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

How much does it cost to fly round-trip from Knoxville to State of Washington?

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 junio 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.2
Good
711 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines to fly from Knoxville to State of Washington one-way?

    The cheapest airlines for a one-way flight from Knoxville to State of Washington are Frontier ($102), Delta ($126), and Allegiant Air ($159).

  • 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, January is the cheapest month in which you can book a flight from Knoxville to State of Washington (average of $238). Flying from Knoxville to State of Washington in July is currently the most expensive (average of $391). 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

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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 junio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$178Average$285FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$533FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$520FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$775FlexibilityNo cancel feeOn-time69%

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