Cheap Flights from Seattle to West Yellowstone

Round-trip flights between Sea-Tac Airport and Yellowstone Airport (WYS) start from . This is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don’t miss out. Prices and availability are subject to change. Additional terms apply.

Every airline has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sea-Tac Airport to Yellowstone Airport (WYS) flights, you’ll see a “no change fees” filter for you to select.

It’s only 920 kilometres between SeaTac and West Yellowstone. Chances are you’ll spend more time getting to and from the airport than actually flying!

If you want to travel straight from Sea-Tac Airport to Yellowstone Airport (WYS), you’ll have to book a flight with at least one stop. Unfortunately, there aren’t any airlines that fly directly on this route.

Last-minute bookings from SEA to WYS can be hit-or-miss. You may be able to score a great bargain, but you could also miss out completely! If you’d prefer to start planning early, Expedia compares flight deals up to a year in advance. Just remember that not all airlines advertise their prices so far in advance. Our advice? Check back often as updates are made frequently.