$119 Cheap Alaska Airlines flights Kansas City (MCI) to Seattle (SEA)

Use the “Price (lowest to highest)” filter on Expedia to find cheap Alaska Airlines round-trip flights from MCI to SEA. Affordable one-way tickets from $119 are available as well.**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.

Alaska Airlines flights to Seattle are generally cheaper in the quieter months of January and February. Whether you need a return or one-way ticket, you could find a better deal then.

Search for cheap Alaska Airlines flights from Kansas City Intl. Airport (MCI) to Seattle - Tacoma Intl. Airport (SEA) 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. Regardless of fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive day 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.

Alaska Airlines has direct flights from Kansas City Intl. Airport (MCI) to Seattle - Tacoma Intl. Airport (SEA), with 7 departures each week. Simply select the “Nonstop” and “Airline” filters during your search on Expedia to show all direct Alaska Airlines flights to SEA.

The journey time for a direct Alaska Airlines flight from Kansas City Intl. Airport (MCI) to Seattle - Tacoma Intl. Airport (SEA) takes approximately 4h 7m.

Saturday has the most Alaska Airlines flights from Kansas City Intl. Airport (MCI) to Seattle - Tacoma Intl. Airport (SEA). With 2 daily departures, this is a great day to find something that will work for your schedule.

The earliest Alaska Airlines flight from MCI to SEA departs at 7:00AM UTC-6, arriving at 9:16AM UTC-8. If you prefer to set off later in the day, the last Alaska Airlines flight leaves MCI at 2:59PM UTC-6 and touches down at SEA at 5:06PM UTC-8. Flying early is often a wise choice as morning flights are least likely to face cancellations.**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.

Alaska Airlines flights from Kansas City Intl. Airport (MCI) to Seattle come in to land at Seattle - Tacoma Intl. Airport (SEA). This is the main entry point to this destination.

With an excellent in-flight experience and a rewarding loyalty program, Alaska Airlines is a top choice for many passengers heading from MCI to SEA. Plus, if you’re a Mileage Plan and One Key™ member booking with 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.

For the Kansas City Intl. Airport (MCI) to Seattle - Tacoma Intl. Airport (SEA) route, Alaska Airlines typically flies Boeing 737 MAX 9 and Boeing 737-900 planes. Don’t forget that last-minute changes are possible for operational needs, meaning your flight could be on a different aircraft.

It’s generally possible to reschedule or cancel your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need to keep your options open? Make use of Expedia’s “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to adjust your plans. To make changes, visit “Trips,” select your flight and click on “Manage Booking” for more information.