What is the cheapest airline that flies from Washington to Yellowstone National Park?

United Airlines is the most popular carrier operating from Washington to Yellowstone National Park

How old do you have to be to fly from Washington to Yellowstone National Park?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Yellowstone National Park.

What documentation or ID do you need to fly to Yellowstone National Park?

The required travel and health documents for your Yellowstone National Park trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Yellowstone National Park. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$396 Cheap Flights from Washington to Yellowstone National Park in 2026

Q: How long is the flight from State of Washington to Yellowstone National Park?

The flight from State of Washington to Yellowstone National Park depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to Copenhagen (the most popular airport in Yellowstone National Park), then the flight time is 9h 15m on average. If you fly from Spokane (another popular airport in State of Washington) to Copenhagen, then the average flight time is 15h 09m.

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Find the cheapest flights from Washington to Yellowstone National Park

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 1:20 pm

SEA

WYS

7h 20m

1 stop

5:45 pm - 11:11 pm

WYS

SEA

6h 26m

1 stop

$396United Airlines

Wed, Sep 16 - Sun, Sep 20

5:30 am - 12:28 pm

SEA

WYS

5h 58m

1 stop

1:10 pm - 6:40 pm

WYS

SEA

6h 30m

1 stop

$459Delta

Wed, Jun 17 - Sat, Jun 20

6:51 pm - 1:20 pm

SEA

WYS

17h 29m

2 stops

5:45 pm - 11:11 pm

WYS

SEA

6h 26m

1 stop

$512United Airlines

Wed, Sep 16 - Sun, Sep 20

4:30 pm - 1:20 pm

SEA

WYS

19h 50m

3 stops

5:45 pm - 11:11 pm

WYS

SEA

6h 26m

1 stop

$604United Airlines

Wed, Sep 16 - Sun, Sep 20

5:30 am - 10:46 am

SEA

WYS

4h 16m

1 stop

1:10 pm - 6:40 pm

WYS

SEA

6h 30m

1 stop

$644Delta

Sat, Jun 20 - Wed, Jun 24

5:00 am - 1:32 pm

SEA

WYS

7h 32m

1 stop

2:19 pm - 9:10 pm

WYS

SEA

7h 51m

1 stop

$651United Airlines

Fri, May 29 - Mon, Jun 1

5:00 am - 1:32 pm

SEA

WYS

7h 32m

1 stop

2:07 pm - 9:10 pm

WYS

SEA

8h 03m

1 stop

$661United Airlines

Fri, Jul 3 - Tue, Jul 7

7:15 am - 12:28 pm

SEA

WYS

4h 13m

1 stop

1:10 pm - 6:40 pm

WYS

SEA

6h 30m

1 stop

$674Delta

Thu, Jun 25 - Sun, Jun 28

8:05 pm - 4:37 pm

SEA

WYS

19h 32m

1 stop

2:19 pm - 7:18 pm

WYS

SEA

29h 59m

2 stops

$689United Airlines

Fri, May 29 - Mon, Jun 1

3:33 pm - 4:37 pm

SEA

WYS

24h 04m

2 stops

2:19 pm - 2:36 pm

WYS

SEA

25h 17m

2 stops

$694United Airlines

Fri, May 29 - Mon, Jun 1

United Airlines flights from State of Washington to Yellowstone National Park

Our best United Airlines deals on State of Washington to Yellowstone National Park flight tickets

United Airlines

May 29

SEA5:00 amSeattle/Tacoma Intl

7h 32m

1 stop

WYS1:32 pmWest Yellowstone

Jun 1

WYS2:19 pmWest Yellowstone

7h 51m

1 stop

SEA9:10 pmSeattle/Tacoma Intl

$651

United Airlines

Jul 3

SEA5:00 amSeattle/Tacoma Intl

7h 32m

1 stop

WYS1:32 pmWest Yellowstone

Jul 7

WYS2:07 pmWest Yellowstone

8h 03m

1 stop

SEA9:10 pmSeattle/Tacoma Intl

$661

United Airlines

May 29

SEA8:05 pmSeattle/Tacoma Intl

19h 32m

1 stop

WYS4:37 pmWest Yellowstone

Jun 1

WYS2:19 pmWest Yellowstone

29h 59m

2 stops

SEA7:18 pmSeattle/Tacoma Intl

$689

Delta flights from State of Washington to Yellowstone National Park

Our best Delta deals on State of Washington to Yellowstone National Park flight tickets

Delta

Jun 17

SEA5:30 amSeattle/Tacoma Intl

5h 58m

1 stop

WYS12:28 pmWest Yellowstone

Jun 20

WYS1:10 pmWest Yellowstone

6h 30m

1 stop

SEA6:40 pmSeattle/Tacoma Intl

$459

Delta

Jun 20

SEA5:30 amSeattle/Tacoma Intl

4h 16m

1 stop

WYS10:46 amWest Yellowstone

Jun 24

WYS1:10 pmWest Yellowstone

6h 30m

1 stop

SEA6:40 pmSeattle/Tacoma Intl

$644

Delta

Jun 25

SEA7:15 amSeattle/Tacoma Intl

4h 13m

1 stop

WYS12:28 pmWest Yellowstone

Jun 28

WYS1:10 pmWest Yellowstone

6h 30m

1 stop

SEA6:40 pmSeattle/Tacoma Intl

$674

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 9/16

5:00 am-1:20 pm

1 stop7h 20m

West Yellowstone

Sun 9/20

5:45 pm-11:11 pm

1 stop6h 26m

$396

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 6/17

5:30 am-12:28 pm

1 stop5h 58m

West Yellowstone

Sat 6/20

1:10 pm-6:40 pm

1 stop6h 30m

$459

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 9/16

6:51 pm-1:20 pm

2 stops17h 29m

West Yellowstone

Sun 9/20

5:45 pm-11:11 pm

1 stop6h 26m

$512

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 9/16

4:30 pm-1:20 pm

3 stops19h 50m

West Yellowstone

Sun 9/20

5:45 pm-11:11 pm

1 stop6h 26m

$604

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Sat 6/20

5:30 am-10:46 am

1 stop4h 16m

West Yellowstone

Wed 6/24

1:10 pm-6:40 pm

1 stop6h 30m

$644

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Fri 5/29

5:00 am-1:32 pm

1 stop7h 32m

West Yellowstone

Mon 6/1

2:19 pm-9:10 pm

1 stop7h 51m

$651

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Fri 7/3

5:00 am-1:32 pm

1 stop7h 32m

West Yellowstone

Tue 7/7

2:07 pm-9:10 pm

1 stop8h 03m

$661

Quickest round-trip

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Thu 6/25

7:15 am-12:28 pm

1 stop4h 13m

West Yellowstone

Sun 6/28

1:10 pm-6:40 pm

1 stop6h 30m

$674

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Fri 5/29

8:05 pm-4:37 pm

1 stop19h 32m

West Yellowstone

Mon 6/1

2:19 pm-7:18 pm

2 stops29h 59m

$689

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Fri 5/29

3:33 pm-4:37 pm

2 stops24h 04m

West Yellowstone

Mon 6/1

2:19 pm-2:36 pm

2 stops25h 17m

$694

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Yellowstone National Park

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

Other information

Can stopping save me money on State of Washington to Yellowstone National Park flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Yellowstone National Park.

Cheap State of Washington to Yellowstone National Park flight deals and tips

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

Fastest flight time	4h 13m
Direct flights	None

The fastest flight from State of Washington to Yellowstone National Park takes 4h 13m

There are no direct flights from State of Washington to Yellowstone National Park. There are no popular flight routes from State of Washington to Yellowstone National Park.

Search flight deals

When did momondo last update prices for flights from Washington to Yellowstone National Park?
Prices for flights from Washington to Yellowstone National Park refresh daily.
How old do you have to be to fly from Washington to Yellowstone National Park?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Yellowstone National Park.
What documentation or ID do you need to fly to Yellowstone National Park?
The required travel and health documents for your Yellowstone National Park trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Yellowstone National Park. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from State of Washington to Yellowstone National Park?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Yellowstone National Park is Boeing 737-800 Passenger/BBJ2 (winglets), representing 17.11% of all bookings. The subsequent popular models are Airbus A321neo at 12.26%, Boeing 737 MAX 8 at 8.16%, and Boeing 787-9 Dreamliner at 7.54%.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Yellowstone National Park?

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

Can I find flights from Washington to Yellowstone National Park with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Yellowstone National Park from Washington with this policy.

How can momondo help me find flights from Washington to Yellowstone National Park?

Once you have performed a search for Washington to Yellowstone National Park 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 Yellowstone National Park right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Yellowstone National Park, momondo offers a useful price alert feature which will track prices for flights to Yellowstone National Park from Washington and alert you when they change.