Cheap Alaska Airlines flights Dallas (DFW) to Seattle (SEA)

Finding cheap one-way Alaska Airlines flights from DFW to SEA on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares 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.

Alaska Airlines flights to Seattle tend to be more affordable in the low-season months of January and February. Whether you’re after a return or one-way ticket, you could land a better deal then.

For cheap Alaska Airlines fares from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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.

Hop on one of Alaska Airlines’s 27 direct weekly flights from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA). To see what’s available, enter your destination, origin and dates and hit search. Then apply the “Nonstop” and “Airline” filters.

It takes approximately 4h 29m to travel nonstop from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines.

Monday has the most Alaska Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA). With 4 daily departures, this is the best day to book something that will suit your plans.

Jetting off from DFW at 8:00AM UTC-6, the first Alaska Airlines flight to SEA lands at 10:31AM UTC-8. Flying early means you’re less likely to experience cancellations.* Don’t like early starts? The last Alaska Airlines flight from DFW to SEA departs at 5:52PM UTC-6 and touches down at 8:23PM UTC-8.*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.

Seattle - Tacoma Intl. Airport (SEA) is the main Seattle gateway for Alaska Airlines flights from Dallas-Fort Worth Intl. Airport (DFW).

Alaska Airlines makes flying from DFW to SEA more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You could even start earning points with Mileage Plan. Remember to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA) route, Alaska Airlines typically operates Boeing 737-900 and Boeing 737 MAX 9 planes. Keep in mind that last-minute changes are possible for operational demands, so your flight could be on another aircraft.

Depending on your fare type, a fee generally applies if you cancel or reschedule your booking more than 24 hours after confirmation. To find tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you look for flights. For more information on modifying or canceling your reservation, go to “Trips,” select your flight and click on “Manage Booking.”