What is the cheapest airline that flies from Knoxville McGhee Tyson to Washington?

United Airlines, Delta, and Southwest are the most popular carriers operating from Knoxville McGhee Tyson to Washington

What airlines fly to State of Washington?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to State of Washington from Knoxville according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 5 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

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

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

There are 5 operators available for flights from Knoxville McGhee Tyson Airport to Washington as of September 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington 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 Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$136 Cheap Flights from Knoxville to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 3:12 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

11h 42m1 stop Denver Intl

4:27 pm - 2:11 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

18h 44m1 stop Denver Intl

$194Multiple Airlines

Thu, Oct 22 - Sat, Oct 31

6:30 am - 3:12 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

11h 42m1 stop Denver Intl

4:27 pm - 2:11 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

18h 44m1 stop Denver Intl

$239Multiple Airlines

Thu, Oct 22 - Sat, Oct 31

6:55 pm - 11:59 pmTYS Knoxville McGhee Tyson-PDX Portland

8h 04m1 stop Chicago O'Hare Intl

10:55 pm - 11:05 amPDX Portland-TYS Knoxville McGhee Tyson

9h 10m1 stop Chicago O'Hare Intl

$363American Airlines

Tue, Oct 6 - Tue, Oct 13

5:30 am - 11:07 amTYS Knoxville McGhee Tyson-PDX Portland

8h 37m1 stop Dallas/Fort Worth

9:50 pm - 9:45 amPDX Portland-TYS Knoxville McGhee Tyson

8h 55m1 stop Charlotte Douglas

$363American Airlines

Wed, Nov 11 - Mon, Nov 16

10:42 am - 3:56 pmTYS Knoxville McGhee Tyson-PDX Portland

8h 14m1 stop Chicago O'Hare Intl

12:45 pm - 10:14 pmPDX Portland-TYS Knoxville McGhee Tyson

6h 29m1 stop Denver Intl

$363United Airlines

Tue, Sep 29 - Sat, Oct 3

1:55 pm - 8:15 pmTYS Knoxville McGhee Tyson-PDX Portland

9h 20m1 stop Washington, D.C. Dulles Intl

11:30 pm - 9:53 amPDX Portland-TYS Knoxville McGhee Tyson

7h 23m1 stop Chicago O'Hare Intl

$363United Airlines

Thu, Nov 5 - Mon, Nov 9

4:00 pm - 9:57 pmTYS Knoxville McGhee Tyson-PDX Portland

8h 57m1 stop Atlanta Hartsfield-Jackson

11:20 pm - 10:20 amPDX Portland-TYS Knoxville McGhee Tyson

8h 00m1 stop Detroit Metropolitan Wayne County

$363Delta

Thu, Nov 12 - Sat, Nov 14

6:30 am - 12:37 pmTYS Knoxville McGhee Tyson-PDX Portland

9h 07m1 stop Minneapolis St Paul

11:10 pm - 10:20 amPDX Portland-TYS Knoxville McGhee Tyson

8h 10m1 stop Detroit Metropolitan Wayne County

$363Delta

Tue, Sep 29 - Mon, Oct 5

4:20 pm - 10:40 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

9h 20m1 stop Denver Intl

8:05 am - 10:45 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

11h 40m2 stops Phoenix Sky Harbor Intl Nashville Intl

$368Southwest

Tue, Oct 27 - Thu, Oct 29

4:20 pm - 11:55 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

10h 35m2 stops Denver Intl Phoenix Sky Harbor Intl

8:05 am - 10:45 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

11h 40m2 stops Phoenix Sky Harbor Intl Nashville Intl

$373Southwest

Tue, Oct 27 - Thu, Oct 29

Cheap last minute flights

Enter your travel dates to find the best prices.

7:30 am - 2:51 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

10h 21m1 stop Dallas/Fort Worth

11:48 pm - 11:06 amSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

8h 18m1 stop Chicago O'Hare Intl

$472American Airlines

Tue, Sep 15 - Tue, Jan 5

7:30 am - 2:51 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

10h 21m1 stop Dallas/Fort Worth

6:40 am - 6:52 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

9h 12m1 stop Charlotte Douglas

$472American Airlines

Tue, Sep 15 - Tue, Sep 29

7:00 am - 4:50 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

12h 50m2 stops Nashville Intl Las Vegas Harry Reid Intl

12:15 am - 12:20 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

9h 05m2 stops Chicago Midway Nashville Intl

$482Southwest

Tue, Sep 15 - Mon, Jan 4

3:00 pm - 11:10 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

11h 10m1 stop Denver Intl

12:15 am - 12:20 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

9h 05m2 stops Chicago Midway Nashville Intl

$483Southwest

Tue, Sep 15 - Mon, Jan 4

6:00 pm - 10:45 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

7h 45m1 stop Chicago O'Hare Intl

7:00 am - 5:08 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

7h 08m1 stop Chicago O'Hare Intl

$581United Airlines

Wed, Sep 16 - Tue, Sep 29

12:23 pm - 6:59 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

9h 36m1 stop Atlanta Hartsfield-Jackson

8:59 am - 8:15 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

8h 16m1 stop Atlanta Hartsfield-Jackson

$581Delta

Wed, Sep 16 - Tue, Sep 29

1:53 pm - 9:15 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

10h 22m2 stops Chicago O'Hare Intl Denver Intl

10:42 am - 8:49 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

7h 07m1 stop Chicago O'Hare Intl

$586United Airlines

Wed, Sep 16 - Tue, Sep 29

6:30 am - 10:39 amTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

7h 09m1 stop Minneapolis St Paul

11:59 pm - 11:18 amSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

8h 19m1 stop Atlanta Hartsfield-Jackson

$661Delta

Tue, Sep 15 - Mon, Sep 21

8:00 am - 4:56 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

11h 56m2 stops Chicago O'Hare Intl Boise Air Term. Gowen Fld

8:40 am - 8:52 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

9h 12m1 stop Dallas/Fort Worth

$696Alaska Airlines

Tue, Sep 15 - Tue, Sep 29

8:00 am - 4:56 pmTYS Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl

11h 56m2 stops Chicago O'Hare Intl Boise Air Term. Gowen Fld

7:40 am - 11:22 pmSEA Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson

12h 42m2 stops San Diego Dallas/Fort Worth

$701Alaska Airlines

Tue, Sep 15 - Tue, Sep 29

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Southwest flights from Knoxville to State of Washington

Our best Southwest deals on Knoxville to State of Washington flight tickets

Southwest

Oct 27

TYS4:20 pmKnoxville McGhee Tyson

10h 35m

2 stops

SEA11:55 pmSeattle/Tacoma Intl

Oct 29

SEA8:05 amSeattle/Tacoma Intl

11h 40m

2 stops

TYS10:45 pmKnoxville McGhee Tyson

$373

Southwest

Nov 5

TYS5:25 pmKnoxville McGhee Tyson

17h 20m

2 stops

PDX7:45 amPortland

Nov 9

PDX11:30 pmPortland

9h 50m

2 stops

TYS12:20 pmKnoxville McGhee Tyson

$379

Southwest

Oct 27

TYS4:20 pmKnoxville McGhee Tyson

10h 35m

2 stops

SEA11:55 pmSeattle/Tacoma Intl

Oct 30

SEA11:05 amSeattle/Tacoma Intl

8h 40m

2 stops

TYS10:45 pmKnoxville McGhee Tyson

$393

American Airlines flights from Knoxville to State of Washington

Our best American Airlines deals on Knoxville to State of Washington flight tickets

American Airlines

Oct 13

TYS1:58 pmKnoxville McGhee Tyson

10h 44m

1 stop

SEA9:42 pmSeattle/Tacoma Intl

Nov 2

SEA11:34 pmSeattle/Tacoma Intl

8h 27m

1 stop

TYS11:01 amKnoxville McGhee Tyson

$363

American Airlines

Oct 3

TYS4:48 pmKnoxville McGhee Tyson

10h 19m

1 stop

PDX12:07 amPortland

Oct 7

PDX8:35 amPortland

8h 43m

1 stop

TYS8:18 pmKnoxville McGhee Tyson

$376

American Airlines

Oct 28

TYS6:00 amKnoxville McGhee Tyson

10h 39m

2 stops

PDX1:39 pmPortland

Nov 2

PDX9:50 pmPortland

8h 55m

1 stop

TYS9:45 amKnoxville McGhee Tyson

$377

momondo Fare Finder

Use the filters below to find and compare flights from Knoxville to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleSeattle

TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl

TYSSEA

Knoxville McGhee Tyson

Thu 10/22

6:30 am-3:12 pm

1 stop11h 42m

Seattle/Tacoma Intl

Sat 10/31

4:27 pm-2:11 pm

1 stop18h 44m

$194

KnoxvilleSeattle

TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl

TYSSEA

Knoxville McGhee Tyson

Thu 10/22

6:30 am-3:12 pm

1 stop11h 42m

Seattle/Tacoma Intl

Sat 10/31

4:27 pm-2:11 pm

1 stop18h 44m

$239

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Tue 10/6

6:55 pm-11:59 pm

1 stop8h 04m

Portland

Tue 10/13

10:55 pm-11:05 am

1 stop9h 10m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Wed 11/11

5:30 am-11:07 am

1 stop8h 37m

Portland

Mon 11/16

9:50 pm-9:45 am

1 stop8h 55m

$363

Quickest round-trip

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Tue 9/29

10:42 am-3:56 pm

1 stop8h 14m

Portland

Sat 10/3

12:45 pm-10:14 pm

1 stop6h 29m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Thu 11/5

1:55 pm-8:15 pm

1 stop9h 20m

Portland

Mon 11/9

11:30 pm-9:53 am

1 stop7h 23m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Thu 11/12

4:00 pm-9:57 pm

1 stop8h 57m

Portland

Sat 11/14

11:20 pm-10:20 am

1 stop8h 00m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Tue 9/29

6:30 am-12:37 pm

1 stop9h 07m

Portland

Mon 10/5

11:10 pm-10:20 am

1 stop8h 10m

$363

KnoxvilleSeattle

TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl

TYSSEA

Knoxville McGhee Tyson

Tue 10/27

4:20 pm-10:40 pm

1 stop9h 20m

Seattle/Tacoma Intl

Thu 10/29

8:05 am-10:45 pm

2 stops11h 40m

$368

KnoxvilleSeattle

TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl

TYSSEA

Knoxville McGhee Tyson

Tue 10/27

4:20 pm-11:55 pm

2 stops10h 35m

Seattle/Tacoma Intl

Thu 10/29

8:05 am-10:45 pm

2 stops11h 40m

$373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to State of Washington?

The month of November is, on average, the cheapest month to fly to State of Washington from Knoxville, with most prices found around $494. If you aren’t able to travel to State of Washington during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $502.

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

You are more likely to see cheaper flights to State of Washington from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $558 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Knoxville for as low as $432 on momondo.

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

You could potentially save up to 44% on your flight if you consider stops on a Knoxville to State of Washington flight.

Cheap Knoxville to State of Washington flight deals and tips

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

Best Price Found	$136
Fastest flight time	6h 24m
Direct flights	None

The best one-way flight to State of Washington from Knoxville in the past 72 hours is $136. The best round-trip flight deal from Knoxville to State of Washington found on momondo in the last 72 hours is $194.

The fastest flight from Knoxville to State of Washington takes 6h 24m

There are no direct flights from Knoxville to State of Washington. There are no popular flight routes from Knoxville to State of Washington.

Search flight deals

Frequently asked questions about flying from Knoxville to Washington

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Washington?
Prices for flights from Knoxville McGhee Tyson Airport to Washington were last updated today.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Washington?
There are 5 operators available for flights from Knoxville McGhee Tyson Airport to Washington as of September 2026.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington 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 Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Knoxville to State of Washington

Compare and see reviews for airlines that fly from Knoxville to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $354	Free Cancellation	Rating 7.8 8,563 reviews	Search Delta flights
United Airlines	PriceFrom $358	Free Cancellation	Rating 7.4 10,206 reviews	Search United Airlines flights
American Airlines	PriceFrom $384	Free Cancellation	Rating 7.1 12,050 reviews	Search American Airlines flights
Southwest	PriceFrom $386	Free Cancellation	Rating 8.0 4,192 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $603	Free Cancellation	Rating 7.9 12,917 reviews	Search Alaska Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Washington. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Knoxville to Washington flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Washington from Knoxville 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.