Cheap Flights from Oakland (OAK) to Seattle (SEA)

Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Oakland Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) start from AU$386. Make your booking ASAP to score the best price for your adventure. Prices and availability are subject to change. Additional terms apply.

Most flights can be cancelled online, but every airline has a different set of terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for OAK to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.

The flight distance from Oakland Intl. Airport (OAK) (OAK) to Seattle - Tacoma Intl. Airport (SEA) (SEA) is 1 100 kilometres. You'll be disembarking the plane and grabbing your bags from the carousel in the blink of an eye.

With 160 flights a month from Oakland Intl. Airport to Sea-Tac Airport, Southwest Airlines (WN) is a top choice. Love some more options? Check out the seats available with Alaska Airlines (AS). This carrier offers 139 flights every month between these destinations.

Airline tickets from Oakland Intl. Airport to SEA are available up to 12 months prior to departure on Expedia. And although you may occasionally nab a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more options — and you can avoid ending up with the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.