$686 Find Cheap Flights from Seattle to West Yellowstone - Compare and Save

Only Economy Class is available on flights from Seattle to West Yellowstone.

There are currently no nonstop flights available from Seattle to West Yellowstone. Flights with 1 layover take between 4h 59m and 6h 29m in total, depending on the connection.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $686 to $1,236. That means the highest observed fare was about 80% higher than the lowest one.

Flights from Seattle to West Yellowstone usually depart from Seattle/Tacoma Intl (SEA) and arrive at West Yellowstone (WYS).

Connecting flights from Seattle to West Yellowstone most commonly pass through:

• Salt Lake City (SLC) - 75% of one-stop connections
• Denver Intl (DEN) - 25% of one-stop connections

Yes. Flexible dates can save you up to 58% on flights from Seattle to West Yellowstone. Friday is the cheapest departure day at $349 round-trip on average, while Saturday is the most expensive at $814, a difference of $465.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 59m, compared with 6h 29m via Denver Intl (DEN).

West Yellowstone is 1 hour ahead of Seattle (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.