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Cheap flights from Washington to Knoxville from $130

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Knoxville departing on 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:12 pm - 3:33 pm
SEA
-
TYS
17h 21m
1 stop
Frontier Logo
8:32 pm - 9:49 am
TYS
-
SEA
16h 17m
1 stop
$233Frontier
Sat, May 2 - Mon, May 11
United Airlines Logo
8:00 am - 7:42 pm
SEA
-
TYS
8h 42m
1 stop
United Airlines Logo
5:53 pm - 10:42 pm
TYS
-
SEA
7h 49m
1 stop
$293United Airlines
Tue, Apr 21 - Tue, Apr 28
Delta Logo
10:55 pm - 11:17 am
PDX
-
TYS
9h 22m
1 stop
Delta Logo
5:54 pm - 10:02 pm
TYS
-
PDX
7h 08m
1 stop
$293Delta
Tue, Apr 21 - Wed, Apr 22
Multiple Airlines Logo
7:50 pm - 1:59 pm
SEA
-
TYS
15h 09m
1 stop
Multiple Airlines Logo
5:00 pm - 10:36 am
TYS
-
SEA
44h 36m
2 stops
$319Multiple Airlines
Wed, May 20 - Tue, Jun 2
Delta Logo
11:05 pm - 10:21 am
SEA
-
TYS
8h 16m
1 stop
Delta Logo
5:20 pm - 10:46 pm
TYS
-
SEA
8h 26m
1 stop
$324Delta
Sat, May 23 - Tue, Jun 2
United Airlines Logo
5:00 am - 3:06 pm
PDX
-
TYS
7h 06m
1 stop
United Airlines Logo
5:15 pm - 10:58 pm
TYS
-
PDX
8h 43m
1 stop
$324United Airlines
Sat, Apr 18 - Wed, Apr 22
American Airlines Logo
6:00 am - 6:04 pm
GEG
-
TYS
9h 04m
1 stop
American Airlines Logo
5:00 am - 2:19 pm
TYS
-
GEG
12h 19m
2 stops
$329American Airlines
Sat, Apr 18 - Tue, Apr 21
Delta Logo
12:30 am - 2:20 pm
PDX
-
TYS
10h 50m
2 stops
Delta Logo
5:40 am - 10:41 am
TYS
-
PDX
8h 01m
1 stop
$329Delta
Fri, Apr 17 - Wed, Apr 22
Multiple Airlines Logo
7:50 pm - 1:59 pm
SEA
-
TYS
15h 09m
1 stop
Multiple Airlines Logo
10:03 pm - 10:36 am
TYS
-
SEA
39h 33m
2 stops
$330Multiple Airlines
Wed, May 20 - Fri, Jun 5
American Airlines Logo
1:52 pm - 11:56 pm
PDX
-
TYS
7h 04m
1 stop
American Airlines Logo
3:58 pm - 10:56 pm
TYS
-
PDX
9h 58m
2 stops
$334American Airlines
Wed, Apr 22 - Wed, Apr 29

United Airlines flights from State of Washington to Knoxville

Our best United Airlines deals on State of Washington to Knoxville flight tickets
United Airlines
Apr 21
SEA8:00 amSeattle/Tacoma Intl
8h 42m
1 stop
TYS7:42 pmKnoxville McGhee Tyson
Apr 28
TYS5:53 pmKnoxville McGhee Tyson
7h 49m
1 stop
SEA10:42 pmSeattle/Tacoma Intl
$293
United Airlines
Apr 18
PDX5:00 amPortland
7h 06m
1 stop
TYS3:06 pmKnoxville McGhee Tyson
Apr 22
TYS5:15 pmKnoxville McGhee Tyson
8h 43m
1 stop
PDX10:58 pmPortland
$324
United Airlines
May 1
SEA11:53 pmSeattle/Tacoma Intl
7h 13m
1 stop
TYS10:06 amKnoxville McGhee Tyson
May 5
TYS7:00 amKnoxville McGhee Tyson
10h 36m
2 stops
SEA2:36 pmSeattle/Tacoma Intl
$371

American Airlines flights from State of Washington to Knoxville

Our best American Airlines deals on State of Washington to Knoxville flight tickets
American Airlines
Apr 18
GEG6:00 amSpokane
9h 04m
1 stop
TYS6:04 pmKnoxville McGhee Tyson
Apr 21
TYS5:00 amKnoxville McGhee Tyson
12h 19m
2 stops
GEG2:19 pmSpokane
$329
American Airlines
Apr 22
PDX1:52 pmPortland
7h 04m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
Apr 29
TYS3:58 pmKnoxville McGhee Tyson
9h 58m
2 stops
PDX10:56 pmPortland
$334
American Airlines
May 7
PDX11:40 pmPortland
9h 50m
1 stop
TYS12:30 pmKnoxville McGhee Tyson
May 12
TYS4:09 pmKnoxville McGhee Tyson
9h 41m
1 stop
PDX10:50 pmPortland
$337

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated March 25, 2026.
Use the filters below to find and compare flights from Washington to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Sat 5/2

7:12 pm-3:33 pm

1 stop17h 21m

Knoxville McGhee Tyson

Mon 5/11

8:32 pm-9:49 am

1 stop16h 17m

$233

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Tue 4/21

8:00 am-7:42 pm

1 stop8h 42m

Knoxville McGhee Tyson

Tue 4/28

5:53 pm-10:42 pm

1 stop7h 49m

$293

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 4/21

10:55 pm-11:17 am

1 stop9h 22m

Knoxville McGhee Tyson

Wed 4/22

5:54 pm-10:02 pm

1 stop7h 08m

$293

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Wed 5/20

7:50 pm-1:59 pm

1 stop15h 09m

Knoxville McGhee Tyson

Tue 6/2

5:00 pm-10:36 am

2 stops44h 36m

$319

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Sat 5/23

11:05 pm-10:21 am

1 stop8h 16m

Knoxville McGhee Tyson

Tue 6/2

5:20 pm-10:46 pm

1 stop8h 26m

$324
Quickest round-trip

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Sat 4/18

5:00 am-3:06 pm

1 stop7h 06m

Knoxville McGhee Tyson

Wed 4/22

5:15 pm-10:58 pm

1 stop8h 43m

$324

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Sat 4/18

6:00 am-6:04 pm

1 stop9h 04m

Knoxville McGhee Tyson

Tue 4/21

5:00 am-2:19 pm

2 stops12h 19m

$329

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Fri 4/17

12:30 am-2:20 pm

2 stops10h 50m

Knoxville McGhee Tyson

Wed 4/22

5:40 am-10:41 am

1 stop8h 01m

$329

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Wed 5/20

7:50 pm-1:59 pm

1 stop15h 09m

Knoxville McGhee Tyson

Fri 6/5

10:03 pm-10:36 am

2 stops39h 33m

$330

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 4/22

1:52 pm-11:56 pm

1 stop7h 04m

Knoxville McGhee Tyson

Wed 4/29

3:58 pm-10:56 pm

2 stops9h 58m

$334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from State of Washington to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of August is, on average, the cheapest month to fly to Knoxville from State of Washington, with most prices found around $460. If you aren’t able to travel during the month of August, then book flights to Knoxville from State of Washington during September instead. Flights to Knoxville in September, while not as cheap as those in August, still average around $490.

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $542 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from State of Washington for as low as $308 on momondo.

Can stopping save me money on State of Washington to Knoxville flights?

You could potentially save up to 39% on your flight if you consider stops on a State of Washington to Knoxville flight.

Cheap State of Washington to Knoxville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Knoxville

Fastest flight time

5h 41m

Direct flights

None
The fastest flight from State of Washington to Knoxville takes 5h 41m
There are no direct flights from State of Washington to Knoxville. There are no popular flight routes from State of Washington to Knoxville.
Search flight deals

  • When did momondo last update prices for flights from Washington to Knoxville McGhee Tyson Airport?

    Prices for flights from Washington to Knoxville McGhee Tyson Airport were last updated today.

  • How many operators does momondo search for flights from Washington to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Washington to Knoxville McGhee Tyson Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Knoxville

Compare and see reviews for airlines that fly from State of Washington to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $144Free CancellationRating
7.9
8,326 reviews
Search Delta flights
FrontierPriceFrom $209Free CancellationRating
5.7
3,017 reviews
Search Frontier flights
American AirlinesPriceFrom $273Free CancellationRating
7.1
11,494 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,477 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $483Free CancellationRating
7.9
12,108 reviews
Search Alaska Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Crossville
Alcoa
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Jefferson City
Dandridge
Clinton
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Knoxville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Knoxville from Washington.

Can I find flights from Washington to Knoxville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Knoxville from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Knoxville?

Once you have performed a search for Washington to Knoxville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington to Knoxville right now. Can momondo alert me if prices change?

Price alerts on flights to Knoxville from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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