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$125+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$250
(American Airlines)

One-way from

$125
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$708
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. 4% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 5/1. 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 5/285:05 amTYS - PDX
1 stop8h 19mAmerican Airlines
Tue 6/311:59 pmPDX - TYS
1 stop8h 42mAmerican Airlines
Deal found 5/1$250
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Thu 5/296:00 amTYS - SEA
2 stops21h 10mMultiple Airlines
Sun 6/16:00 amSEA - TYS
1 stop28h 24mMultiple Airlines
Deal found 4/30$256
This Frontier deal was found by Cheapflights users on 4/30. 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 5/295:30 pmTYS - SEA
1 stop10h 07mFrontier
Sun 6/16:25 amSEA - TYS
1 stop7h 04mFrontier
Deal found 4/30$258
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 8/1910:05 amTYS - PDX
2 stops10h 02mDelta
Tue 8/267:20 pmPDX - TYS
2 stops11h 43mDelta
Deal found 4/30$261
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 7/225:57 pmTYS - GEG
1 stop7h 03mDelta
Mon 8/412:21 pmGEG - TYS
1 stop8h 38mDelta
Deal found 4/30$289
This Mytrip deal was found by Cheapflights users on 4/30. 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 5/2811:24 amTYS - PDX
2 stops32h 21mMultiple Airlines
Wed 6/41:37 pmPDX - TYS
2 stops15h 42mMultiple Airlines
Deal found 4/30$300
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/104:14 pmTYS - PDX
1 stop7h 52mUnited Airlines
Wed 6/412:54 pmPDX - TYS
1 stop7h 45mUnited Airlines
Deal found 4/30$326
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/144:14 pmTYS - PSC
1 stop7h 34mUnited Airlines
Sat 5/1712:50 pmPSC - TYS
1 stop6h 34mUnited Airlines
Deal found 4/30$339
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/303:00 pmTYS - SEA
1 stop11h 09mAmerican Airlines
Tue 6/36:20 amSEA - TYS
1 stop10h 05mAmerican Airlines
Deal found 4/30$413
This Delta deal was found by Cheapflights users on 4/30. 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 5/77:05 amTYS - PSC
2 stops12h 24mDelta
Mon 5/125:49 pmPSC - TYS
2 stops13h 34mDelta
Deal found 4/30$429
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 6/246:15 pmTYS - SEA
1 stop8h 38mDelta
Fri 7/411:50 pmSEA - TYS
1 stop7h 19mDelta
Deal found 4/29$459
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1612:14 pmTYS - PDX
1 stop9h 33mAlaska Airlines
Wed 7/237:00 amPDX - TYS
2 stops11h 54mAlaska Airlines
Deal found 4/29$460

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 May 1, 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

Wed 5/28

5:05 am-10:24 am

1 stop8h 19m

Portland

Tue 6/3

11:59 pm-11:41 am

1 stop8h 42m

$250

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Thu 5/29

6:00 am-12:10 am

2 stops21h 10m

Seattle/Tacoma Intl

Sun 6/1

6:00 am-1:24 pm

1 stop28h 24m

$256

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Thu 5/29

5:30 pm-12:37 am

1 stop10h 07m

Seattle/Tacoma Intl

Sun 6/1

6:25 am-4:29 pm

1 stop7h 04m

$258

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Tue 8/19

10:05 am-5:07 pm

2 stops10h 02m

Portland

Tue 8/26

7:20 pm-10:03 am

2 stops11h 43m

$261

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

Tue 7/22

5:57 pm-10:00 pm

1 stop7h 03m

Spokane

Mon 8/4

12:21 pm-11:59 pm

1 stop8h 38m

$289

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 5/28

11:24 am-4:45 pm

2 stops32h 21m

Portland

Wed 6/4

1:37 pm-8:19 am

2 stops15h 42m

$300

KnoxvillePasco

TYS - PSC

TYSPSC

Knoxville McGhee Tyson

Wed 5/14

4:14 pm-8:48 pm

1 stop7h 34m

Pasco Tri Cities

Sat 5/17

12:50 pm-10:24 pm

1 stop6h 34m

$339

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Tue 6/17

10:50 am-8:47 pm

2 stops12h 57m

Portland

Tue 7/1

6:43 pm-10:27 am

2 stops12h 44m

$360

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Sun 6/1

5:25 pm-12:19 am

1 stop9h 54m

Portland

Sun 6/8

6:35 am-4:29 pm

1 stop6h 54m

$390

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Fri 5/30

3:00 pm-11:09 pm

1 stop11h 09m

Seattle/Tacoma Intl

Tue 6/3

6:20 am-7:25 pm

1 stop10h 05m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 29 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 $405). 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 May 1, 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 May 1, 2025.
Read through reviews of airlines operating flights from Knoxville to Washington, such as Alaska Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
6.0
Okay
3,287 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 American Airlines ($125), Delta ($165), and Frontier ($180).

  • 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 $405). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$119Average$466FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$178Average$326FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$248Average$740FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$550FlexibilityNo cancel feeOn-time71%

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