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Cheap flights from Seattle to West Yellowstone from $229

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to West Yellowstone departing on 10/15. 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 Seattle to West Yellowstone

Cheap round-trip flights

United Airlines Logo
5:00 am - 1:20 pmSEA-WYS
7h 20m1 stop
United Airlines Logo
1:55 pm - 9:59 amWYS-SEA
21h 04m1 stop
$735United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
5:00 am - 1:20 pmSEA-WYS
7h 20m1 stop
United Airlines Logo
1:55 pm - 12:02 pmWYS-SEA
23h 07m2 stops
$745United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
5:00 am - 1:20 pmSEA-WYS
7h 20m1 stop
United Airlines Logo
1:55 pm - 11:29 pmWYS-SEA
10h 34m1 stop
$819United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
5:00 am - 1:20 pmSEA-WYS
7h 20m1 stop
United Airlines Logo
1:55 pm - 11:56 amWYS-SEA
23h 01m2 stops
$824United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
3:28 pm - 1:20 pmSEA-WYS
20h 52m2 stops
United Airlines Logo
1:55 pm - 11:56 amWYS-SEA
23h 01m2 stops
$877United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
7:00 am - 1:20 pmSEA-WYS
29h 20m3 stops
United Airlines Logo
1:55 pm - 11:56 amWYS-SEA
23h 01m2 stops
$928United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
6:35 am - 1:20 pmSEA-WYS
29h 45m2 stops
United Airlines Logo
1:55 pm - 12:02 pmWYS-SEA
23h 07m2 stops
$1,429United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4

United Airlines flights from Seattle to West Yellowstone

Our best United Airlines deals on Seattle to West Yellowstone flight tickets
United Airlines
Sep 30
SEA5:00 amSeattle/Tacoma Intl
7h 20m
1 stop
WYS1:20 pmWest Yellowstone
Oct 4
WYS1:55 pmWest Yellowstone
21h 04m
1 stop
SEA9:59 amSeattle/Tacoma Intl
$735
Find similar
United Airlines
Sep 30
SEA5:00 amSeattle/Tacoma Intl
7h 20m
1 stop
WYS1:20 pmWest Yellowstone
Oct 4
WYS1:55 pmWest Yellowstone
23h 07m
2 stops
SEA12:02 pmSeattle/Tacoma Intl
$745
Find similar
United Airlines
Oct 1
SEA5:00 amSeattle/Tacoma Intl
7h 20m
1 stop
WYS1:20 pmWest Yellowstone
Oct 5
WYS1:55 pmWest Yellowstone
10h 34m
1 stop
SEA11:29 pmSeattle/Tacoma Intl
$819
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to West Yellowstone 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 September 17, 2025.
Use the filters below to find and compare flights from Seattle to West Yellowstone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Tue 9/30

5:00 am-1:20 pm

1 stop7h 20m

West Yellowstone

Sat 10/4

1:55 pm-9:59 am

1 stop21h 04m

$735

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Tue 9/30

5:00 am-1:20 pm

1 stop7h 20m

West Yellowstone

Sat 10/4

1:55 pm-12:02 pm

2 stops23h 07m

$745

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 10/1

5:00 am-1:20 pm

1 stop7h 20m

West Yellowstone

Sun 10/5

1:55 pm-11:29 pm

1 stop10h 34m

$819

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 10/1

5:00 am-1:20 pm

1 stop7h 20m

West Yellowstone

Sun 10/5

1:55 pm-11:56 am

2 stops23h 01m

$824

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 10/1

3:28 pm-1:20 pm

2 stops20h 52m

West Yellowstone

Sun 10/5

1:55 pm-11:56 am

2 stops23h 01m

$877

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 10/1

7:00 am-1:20 pm

3 stops29h 20m

West Yellowstone

Sun 10/5

1:55 pm-11:56 am

2 stops23h 01m

$928

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Tue 9/30

6:35 am-1:20 pm

2 stops29h 45m

West Yellowstone

Sat 10/4

1:55 pm-12:02 pm

2 stops23h 07m

$1,429

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Wed 10/15

5:00 am-1:20 pm

1 stop7h 20m

$229

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Sun 10/5

8:30 am-1:20 pm

1 stop27h 50m

$350

SeattleWest Yellowstone

SEA - WYS

SEAWYS

Seattle/Tacoma Intl

Sun 10/5

6:35 am-1:20 pm

2 stops29h 45m

$471

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to West Yellowstone from

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 day to depart on your flight to West Yellowstone?

The cheapest day to depart from Seattle to West Yellowstone is on a Thursday when prices can be found for as low as $543. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to West Yellowstone for around $732.

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

Direct flights

None
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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  • 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 7h 20m.

  • 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?

  • 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?

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
DeltaPriceFrom $391Free CancellationRating
7.9
7,961 reviews
Search Delta flights

Traveling to a place near West Yellowstone?

Book flights to West Yellowstone if you plan to visit one of these locations
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.

An easier way to manage your West Yellowstone trip

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