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

You can find affordable return Alaska Airlines flights from DAL to SEA by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals for a one-way trip.**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.

Browse for one-way or round-trip flights to Seattle in January or February. You could find a cheap fare with Alaska Airlines during these off-peak travel months.

To find cheap Alaska Airlines fares from Love Field Airport (DAL) to Seattle - Tacoma Intl. Airport (SEA), start searching one to three months before your intended departure. Reserving 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 influence the overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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.

Depart on one of Alaska Airlines’s 5 weekly direct flights from Love Field Airport (DAL) to Seattle - Tacoma Intl. Airport (SEA). To see your options, enter your destination, origin and dates and hit search. Then select the “Nonstop” and “Airline” filters.

Depart Love Field Airport (DAL) for Seattle - Tacoma Intl. Airport (SEA) on a nonstop Alaska Airlines flight, and you’ll be in the skies for approximately 4h 28m.

The first Alaska Airlines flight from DAL to SEA takes off at 7:24PM UTC-6, arriving at 9:52PM UTC-8. If you’d like to set off later, the last Alaska Airlines flight leaves DAL at 7:24PM UTC-6 and touches down at SEA at 9:52PM UTC-8. Flying before midday is often a good option as morning and mid-morning flights are least likely to experience 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.

Seattle - Tacoma Intl. Airport (SEA) is the primary Seattle gateway for Alaska Airlines flights from Love Field Airport (DAL).

Alaska Airlines makes traveling from DAL to SEA enjoyable with a rewarding loyalty program and an excellent in-flight experience. You may even earn points with Mileage Plan. Be sure to sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the Love Field Airport (DAL) to Seattle - Tacoma Intl. Airport (SEA) route, Alaska Airlines typically operates Boeing 737-800 and Boeing 737-900 planes. Don’t forget that last-minute changes can occur for operational needs, meaning your flight may be on another aircraft.

Depending on your fare type, a fee generally applies if you modify or cancel your flight more than 24 hours after it has been confirmed. To find flexible fares, select our “Changes included” and “No cancel fee” boxes when looking for flights. For additional information on canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”