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Cheap flights from Washington to Knoxville from $158

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 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Delta Logo
5:30 pm - 9:27 am
PSC
-
TYS
12h 57m
2 stops
Delta Logo
3:00 pm - 11:46 pm
TYS
-
PSC
11h 46m
2 stops
$319Delta
Sat, May 23 - Thu, May 28
United Airlines Logo
5:00 am - 3:06 pm
PDX
-
TYS
7h 06m
1 stop
United Airlines Logo
5:48 pm - 10:29 pm
TYS
-
PDX
7h 41m
1 stop
$359United Airlines
Wed, Apr 1 - Tue, Apr 7
United Airlines Logo
5:00 am - 4:52 pm
PDX
-
TYS
8h 52m
2 stops
United Airlines Logo
4:20 pm - 9:09 pm
TYS
-
PDX
7h 49m
1 stop
$364United Airlines
Tue, Apr 28 - Tue, May 5
Southwest Logo
5:40 am - 8:50 pm
PDX
-
TYS
12h 10m
2 stops
Southwest Logo
2:55 pm - 11:00 pm
TYS
-
PDX
11h 05m
2 stops
$369Southwest
Tue, Apr 28 - Tue, May 5
American Airlines Logo
11:47 pm - 11:18 am
PDX
-
TYS
8h 31m
1 stop
American Airlines Logo
7:50 am - 12:24 pm
TYS
-
PDX
7h 34m
1 stop
$372American Airlines
Sat, Apr 18 - Tue, Apr 21
Southwest Logo
5:25 am - 8:05 pm
PDX
-
TYS
11h 40m
2 stops
Southwest Logo
2:55 pm - 11:00 pm
TYS
-
PDX
11h 05m
2 stops
$375Southwest
Wed, Apr 1 - Tue, Apr 7
Delta Logo
11:15 pm - 10:21 am
PDX
-
TYS
8h 06m
1 stop
Delta Logo
11:02 am - 8:05 pm
TYS
-
PDX
12h 03m
2 stops
$377Delta
Sat, Apr 18 - Tue, Apr 21
American Airlines Logo
1:07 pm - 11:45 pm
GEG
-
TYS
7h 38m
1 stop
American Airlines Logo
1:51 pm - 8:47 pm
TYS
-
GEG
9h 56m
1 stop
$389American Airlines
Tue, Jul 21 - Tue, Jul 28
Multiple Airlines Logo
12:16 pm - 7:27 pm
SEA
-
TYS
28h 11m
2 stops
Multiple Airlines Logo
1:40 pm - 10:54 am
TYS
-
SEA
24h 14m
1 stop
$397Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
1:16 pm - 7:27 pm
SEA
-
TYS
27h 11m
1 stop
Multiple Airlines Logo
1:40 pm - 10:54 am
TYS
-
SEA
24h 14m
1 stop
$412Multiple Airlines
Thu, Feb 19 - Mon, Feb 23

Delta flights from State of Washington to Knoxville

Our best Delta deals on State of Washington to Knoxville flight tickets
Delta
May 23
PSC5:30 pmPasco Tri Cities
12h 57m
2 stops
TYS9:27 amKnoxville McGhee Tyson
May 28
TYS3:00 pmKnoxville McGhee Tyson
11h 46m
2 stops
PSC11:46 pmPasco Tri Cities
$319
Delta
Apr 18
PDX11:15 pmPortland
8h 06m
1 stop
TYS10:21 amKnoxville McGhee Tyson
Apr 21
TYS11:02 amKnoxville McGhee Tyson
12h 03m
2 stops
PDX8:05 pmPortland
$377
Delta
Apr 18
PDX6:00 amPortland
12h 20m
2 stops
TYS9:20 pmKnoxville McGhee Tyson
Apr 21
TYS11:02 amKnoxville McGhee Tyson
12h 03m
2 stops
PDX8:05 pmPortland
$383

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 1
PDX5:00 amPortland
7h 06m
1 stop
TYS3:06 pmKnoxville McGhee Tyson
Apr 7
TYS5:48 pmKnoxville McGhee Tyson
7h 41m
1 stop
PDX10:29 pmPortland
$359
United Airlines
Apr 28
PDX5:00 amPortland
8h 52m
2 stops
TYS4:52 pmKnoxville McGhee Tyson
May 5
TYS4:20 pmKnoxville McGhee Tyson
7h 49m
1 stop
PDX9:09 pmPortland
$364
United Airlines
Apr 27
SEA10:35 pmSeattle/Tacoma Intl
8h 33m
1 stop
TYS10:08 amKnoxville McGhee Tyson
May 13
TYS7:00 amKnoxville McGhee Tyson
7h 39m
1 stop
SEA11:39 amSeattle/Tacoma Intl
$385

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 February 4, 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

PascoKnoxville

PSC - TYS

PSCTYS

Pasco Tri Cities

Sat 5/23

5:30 pm-9:27 am

2 stops12h 57m

Knoxville McGhee Tyson

Thu 5/28

3:00 pm-11:46 pm

2 stops11h 46m

$319

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 4/1

5:00 am-3:06 pm

1 stop7h 06m

Knoxville McGhee Tyson

Tue 4/7

5:48 pm-10:29 pm

1 stop7h 41m

$359

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 4/28

5:00 am-4:52 pm

2 stops8h 52m

Knoxville McGhee Tyson

Tue 5/5

4:20 pm-9:09 pm

1 stop7h 49m

$364

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 4/28

5:40 am-8:50 pm

2 stops12h 10m

Knoxville McGhee Tyson

Tue 5/5

2:55 pm-11:00 pm

2 stops11h 05m

$369

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Sat 4/18

11:47 pm-11:18 am

1 stop8h 31m

Knoxville McGhee Tyson

Tue 4/21

7:50 am-12:24 pm

1 stop7h 34m

$372

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

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-8:47 pm

1 stop9h 56m

$389

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Thu 2/19

12:16 pm-7:27 pm

2 stops28h 11m

Knoxville McGhee Tyson

Mon 2/23

1:40 pm-10:54 am

1 stop24h 14m

$397

SeattleKnoxville

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-7:27 pm

1 stop27h 11m

Knoxville McGhee Tyson

Mon 2/23

1:40 pm-10:54 am

1 stop24h 14m

$412

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 $462. 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 $557 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 $465 on momondo.

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

You could potentially save up to 21% 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

6h 24m

Direct flights

None
The fastest flight from State of Washington to Knoxville takes 6h 24m
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
8,146 reviews
Search Delta flights
FrontierPriceFrom $209Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $273Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $483Free CancellationRating
8.0
11,839 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
Crossville
Maryville
Alcoa
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
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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