$129 Cheap Alaska Airlines flights Houston (IAH) to Seattle (SEA)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Alaska Airlines round-trip flights from IAH to SEA. Affordable one-way tickets from $129 are also on offer.**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.

Search for return or one-way flights to Seattle in January or February. You could find a cheap fare with Alaska Airlines during these off-season months.

Begin your search one to three months ahead of your travel date to score cheap fares on Alaska Airlines flights from George Bush Intercontinental Airport (IAH) to Seattle - Tacoma Intl. Airport (SEA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*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.

Book a seat on one of Alaska Airlines’s 14 direct weekly flights from George Bush Intercontinental Airport (IAH) to Seattle - Tacoma Intl. Airport (SEA). To see what’s available, enter your origin, dates and destination and hit search. Then apply the “Nonstop” and “Airline” filters.

It takes around 4h 57m to fly nonstop from George Bush Intercontinental Airport (IAH) to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines.

Wednesday has the most Alaska Airlines flights from George Bush Intercontinental Airport (IAH) to Seattle - Tacoma Intl. Airport (SEA). With 2 daily departures, this is the best day to book something that will suit your schedule.

The first Alaska Airlines flight from IAH to SEA takes off at 7:35AM UTC-6, arriving at 10:31AM UTC-8. If you prefer to head off later in the day, the last Alaska Airlines flight leaves IAH at 5:36PM UTC-6 and lands at SEA at 8:35PM UTC-8. Flying earlier is often a smart choice as morning and mid-morning flights are 20% less likely to be canceled.**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.

Take an Alaska Airlines flight from George Bush Intercontinental Airport (IAH) to Seattle, and you’re most likely to arrive at Seattle - Tacoma Intl. Airport (SEA). This is the airline’s primary hub in this destination.

Alaska Airlines makes flying from IAH to SEA more enjoyable with top-tier customer service and an excellent in-flight experience. You could even start collecting points with Mileage Plan. Don’t forget to join Expedia’s 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.

Alaska Airlines generally flies Boeing 737-900 planes for flights from George Bush Intercontinental Airport (IAH) to Seattle - Tacoma Intl. Airport (SEA). This airline also operates the Boeing 737 MAX 9 on this route. Remember that aircraft type can change due to operational reasons, so the plane you catch might be different when you leave.

In most cases, you can reschedule or cancel your flight, although there may be a charge if you made your booking more than 24 hours ago. Need flexible options? Make use of Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge extra if you have to revise your plans. To make modifications, visit “Trips,” select your flight and click on “Manage Booking” for more details.