Cheap Alaska Airlines flights Oakland (OAK) to Seattle (SEA)

Apply the “Price (lowest to highest)” filter on Expedia to find cheap Alaska Airlines return flights from OAK to SEA. Affordable one-way options 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.

Alaska Airlines flights to Seattle are typically more affordable in the off-peak months of January and February. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Begin your search one to three months before your departure to score cheaper fares on Alaska Airlines flights from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to 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.* Get your timing spot on, 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.

Alaska Airlines operates direct flights from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA), with 22 weekly departures. Simply apply the “Nonstop” and “Airline” filters during your search on Expedia to show all direct Alaska Airlines flights to SEA.

The journey time for a nonstop Alaska Airlines flight from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA) takes approximately 2h 10m.

If it’s flexibility you’re after, Thursday offers the most choice for Alaska Airlines flights from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA). You can pick from 4 different departures.

The first Alaska Airlines flight from OAK to SEA takes off at 6:32AM UTC-8, arriving at 8:45AM UTC-8. If you want to set off later in the day, the last Alaska Airlines flight leaves OAK at 7:46PM UTC-8 and lands at SEA at 9:59PM UTC-8. Flying early is often a good option as morning flights tend to experience fewer 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.

Board an Alaska Airlines flight from Oakland Intl. Airport (OAK) to Seattle, and you’re most likely to land at Seattle - Tacoma Intl. Airport (SEA). This is the airline’s main hub here.

With an excellent in-flight experience and top-tier customer service, Alaska Airlines is a top choice for many travelers heading from OAK to SEA. What’s more, 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.

Alaska Airlines typically flies Embraer 175 planes for flights from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA). This carrier also operates the Boeing 737-900 on this route. Bear in mind that aircraft type can vary depending on operational reasons, so the plane you board might be different on the day.

Changes are typically free within 24 hours of booking, but your airline may add a charge after that time. For further details about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your itinerary without additional charges, apply the “No cancel fee” or “Changes included” filter when organizing your next escape.