$89 Cheap Alaska Airlines flights Seattle (SEA) to Yakima (YKM)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap Alaska Airlines round-trip flights from $137 from SEA to YKM. Affordable one-way fares from $89 are available too.**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.

Look for affordable Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Yakima Air Terminal - McAllister Field Airport (YKM) one to three months before 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 journey, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel 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.

The first flight from SEA to YKM with Alaska Airlines leaves at 12:51PM UTC-8. You'll touch down at 1:35PM UTC-8. The final Alaska Airlines flight of the day leaves at 11:12PM UTC-8 and arrives at 11:59PM UTC-8. With approximately 20% fewer cancellations for departures before midday, starting your travel day early is generally the smartest option.**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.

With top-tier customer service and an excellent in-flight experience, Alaska Airlines is a top choice for many passengers heading from SEA to YKM. Also, if you're a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.