When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to West Yellowstone Airport?

Prices for flights from Seattle/Tacoma Intl Airport to West Yellowstone Airport were last updated today.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to West Yellowstone Airport?

As of April 2026, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to West Yellowstone Airport.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to West Yellowstone Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to West Yellowstone Airport.

What documentation or ID do you need to fly to West Yellowstone Airport?

The travel and health documents you'll need for your trip to West Yellowstone Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at West Yellowstone Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$269 Cheap Flights from Seattle to West Yellowstone in 2026

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Find the cheapest flights from Seattle to West Yellowstone

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 am - 12:21 pm

SEA

WYS

5h 36m

1 stop

11:29 am - 4:52 pm

WYS

SEA

6h 23m

1 stop

$314Delta

Mon, Aug 24 - Sat, Aug 29

5:45 am - 12:21 pm

SEA

WYS

5h 36m

1 stop

11:29 am - 4:52 pm

WYS

SEA

6h 23m

1 stop

$379Delta

Sat, Aug 22 - Sat, Aug 29

9:30 am - 12:21 pm

SEA

WYS

25h 51m

2 stops

11:29 am - 4:52 pm

WYS

SEA

6h 23m

1 stop

$432Delta

Mon, Aug 24 - Sat, Aug 29

5:45 am - 12:21 pm

SEA

WYS

5h 36m

1 stop

1:09 pm - 4:52 pm

WYS

SEA

4h 43m

1 stop

$444Delta

Sat, Aug 22 - Fri, Aug 28

7:20 am - 12:21 pm

SEA

WYS

4h 01m

1 stop

1:09 pm - 2:43 pm

WYS

SEA

26h 34m

2 stops

$457Delta

Wed, Aug 26 - Fri, Aug 28

5:45 am - 12:21 pm

SEA

WYS

5h 36m

1 stop

11:29 am - 4:52 pm

WYS

SEA

6h 23m

1 stop

$459Delta

Sun, Aug 23 - Sat, Aug 29

5:00 am - 1:20 pm

SEA

WYS

7h 20m

1 stop

2:02 pm - 11:33 am

WYS

SEA

22h 31m

2 stops

$512United Airlines

Wed, Sep 23 - Wed, Sep 30

5:00 am - 1:32 pm

SEA

WYS

7h 32m

1 stop

5:45 pm - 11:10 pm

WYS

SEA

6h 25m

1 stop

$516United Airlines

Wed, Jun 3 - Sun, Jun 7

5:45 am - 12:21 pm

SEA

WYS

5h 36m

1 stop

1:09 pm - 2:43 pm

WYS

SEA

26h 34m

2 stops

$522Delta

Sat, Aug 22 - Fri, Aug 28

5:05 am - 1:28 pm

SEA

WYS

7h 23m

1 stop

2:03 pm - 9:06 pm

WYS

SEA

8h 03m

1 stop

$523United Airlines

Thu, May 7 - Mon, May 11

Delta flights from Seattle to West Yellowstone

Our best Delta deals on Seattle to West Yellowstone flight tickets

Delta

Aug 24

SEA5:45 amSeattle/Tacoma Intl

5h 36m

1 stop

WYS12:21 pmWest Yellowstone

Aug 29

WYS11:29 amWest Yellowstone

6h 23m

1 stop

SEA4:52 pmSeattle/Tacoma Intl

$314

Delta

Aug 22

SEA5:45 amSeattle/Tacoma Intl

5h 36m

1 stop

WYS12:21 pmWest Yellowstone

Aug 29

WYS11:29 amWest Yellowstone

6h 23m

1 stop

SEA4:52 pmSeattle/Tacoma Intl

$379

Delta

Aug 24

SEA9:30 amSeattle/Tacoma Intl

25h 51m

2 stops

WYS12:21 pmWest Yellowstone

Aug 29

WYS11:29 amWest Yellowstone

6h 23m

1 stop

SEA4:52 pmSeattle/Tacoma Intl

$432

United Airlines flights from Seattle to West Yellowstone

Our best United Airlines deals on Seattle to West Yellowstone flight tickets

United Airlines

Sep 23

SEA5:00 amSeattle/Tacoma Intl

7h 20m

1 stop

WYS1:20 pmWest Yellowstone

Sep 30

WYS2:02 pmWest Yellowstone

22h 31m

2 stops

SEA11:33 amSeattle/Tacoma Intl

$512

United Airlines

Jun 3

SEA5:00 amSeattle/Tacoma Intl

7h 32m

1 stop

WYS1:32 pmWest Yellowstone

Jun 7

WYS5:45 pmWest Yellowstone

6h 25m

1 stop

SEA11:10 pmSeattle/Tacoma Intl

$516

United Airlines

May 7

SEA5:05 amSeattle/Tacoma Intl

7h 23m

1 stop

WYS1:28 pmWest Yellowstone

May 11

WYS2:03 pmWest Yellowstone

8h 03m

1 stop

SEA9:06 pmSeattle/Tacoma Intl

$523

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Mon 8/24

5:45 am-12:21 pm

1 stop5h 36m

West Yellowstone

Sat 8/29

11:29 am-4:52 pm

1 stop6h 23m

$314

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Sat 8/22

5:45 am-12:21 pm

1 stop5h 36m

West Yellowstone

Sat 8/29

11:29 am-4:52 pm

1 stop6h 23m

$379

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Mon 8/24

9:30 am-12:21 pm

2 stops25h 51m

West Yellowstone

Sat 8/29

11:29 am-4:52 pm

1 stop6h 23m

$432

Quickest round-trip

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Sat 8/22

5:45 am-12:21 pm

1 stop5h 36m

West Yellowstone

Fri 8/28

1:09 pm-4:52 pm

1 stop4h 43m

$444

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 8/26

7:20 am-12:21 pm

1 stop4h 01m

West Yellowstone

Fri 8/28

1:09 pm-2:43 pm

2 stops26h 34m

$457

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Sun 8/23

5:45 am-12:21 pm

1 stop5h 36m

West Yellowstone

Sat 8/29

11:29 am-4:52 pm

1 stop6h 23m

$459

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 9/23

5:00 am-1:20 pm

1 stop7h 20m

West Yellowstone

Wed 9/30

2:02 pm-11:33 am

2 stops22h 31m

$512

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 6/3

5:00 am-1:32 pm

1 stop7h 32m

West Yellowstone

Sun 6/7

5:45 pm-11:10 pm

1 stop6h 25m

$516

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Sat 8/22

5:45 am-12:21 pm

1 stop5h 36m

West Yellowstone

Fri 8/28

1:09 pm-2:43 pm

2 stops26h 34m

$522

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Thu 5/7

5:05 am-1:28 pm

1 stop7h 23m

West Yellowstone

Mon 5/11

2:03 pm-9:06 pm

1 stop8h 03m

$523

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 Seattle to West Yellowstone

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 airline that flies from Seattle/Tacoma Intl to West Yellowstone?

Delta and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to West Yellowstone

What airlines fly to West Yellowstone?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to West Yellowstone from Seattle according to our data. Alaska Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to West Yellowstone. Keep in mind that there are 4 different airlines that fly to West Yellowstone on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to West Yellowstone

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to West Yellowstone according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to West Yellowstone (SEA to WYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to West Yellowstone

Fastest flight time	5h 36m
Direct flights	None

The fastest flight from Seattle to West Yellowstone takes 5h 36m

There are no direct flights from Seattle to West Yellowstone. There are no popular flight routes from Seattle to West Yellowstone.

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Frequently asked questions about flying from Seattle to West Yellowstone

How far is Seattle/Tacoma Intl to West Yellowstone by plane?
West Yellowstone is 574.2 mi away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 5h 36m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to West Yellowstone Airport?
Prices for flights from Seattle/Tacoma Intl Airport to West Yellowstone Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to West Yellowstone Airport?
As of April 2026, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to West Yellowstone Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to West Yellowstone Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to West Yellowstone Airport.
What documentation or ID do you need to fly to West Yellowstone Airport?
The travel and health documents you'll need for your trip to West Yellowstone Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at West Yellowstone Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to West Yellowstone?
Based on momondo bookings for flights between Seattle and West Yellowstone, the leading airline is Delta, making up 100% of the total bookings.

Best airlines flying from Seattle to West Yellowstone

Compare and see reviews for airlines that fly from Seattle to West Yellowstone with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $179	Free Cancellation	Rating 7.9 8,434 reviews		Search Delta flights

Yellowstone National Park

Island Park

Gardiner

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to West Yellowstone?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to West Yellowstone. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to West Yellowstone with flexible booking policies on momondo?

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

How can momondo help me find flights from Seattle to West Yellowstone?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to West Yellowstone.

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

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