$267 Cheap Delta flights Seattle (SEA) to West Yellowstone (WYS)

Landing cheap one-way Delta Air Lines flights from SEA to WYS from $267 on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $392 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

November is one of the cheapest months to get away to West Yellowstone with Delta Air Lines. You could also find excellent prices on return and one-way fares in March.

Look for cheap Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Yellowstone Airport (WYS) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use our “Nonstop” filter when browsing for direct Delta Air Lines flights from SEA to WYS. It’s also a great way to compare other airlines servicing the same nonstop journey.

Filter your results by “Morning” and “Early Morning” to see the earliest departures from SEA to WYS. Heading off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to West Yellowstone touch down at Yellowstone Airport (WYS). This is the main entry point to this city.

Delta Air Lines makes flying from SEA to WYS more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You could even start earning points with Delta SkyMiles. Remember to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can cancel or change your flight, although there may be additional fees if you booked more than 24 hours ago. Want to keep your options open? Use Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to adjust your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for further information.