Cheap Flights from Oakland (OAK) to Seattle (SEA) from HK$618~

View HK$618 flight on Sat, 6 Sep 2025Opens in a new window

Popular airlines from Oakland Intl. Airport (OAK) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days and start at HK$618 for one-way flights and HK$1,235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 13 Sep - Tue, 16 Sep
OAK
Oakland
SEA
Seattle
HK$1,235 Return, found 5 days ago
HK$1,235
Return
found 5 days ago
Select Delta flight, departing Sat, 13 Sep from Oakland to Seattle, returning Tue, 16 Sep, priced at HK$1,235 found 5 days ago
Delta
Mon, 15 Sep - Tue, 30 Sep
OAK
Oakland
SEA
Seattle
HK$1,310 Return, found 5 days ago
HK$1,310
Return
found 5 days ago
Select Delta flight, departing Mon, 15 Sep from Oakland to Seattle, returning Tue, 30 Sep, priced at HK$1,310 found 5 days ago
Delta
Tue, 26 Aug - Sat, 6 Sep
OAK
Oakland
SEA
Seattle
HK$1,459 Return, found 5 days ago
HK$1,459
Return
found 5 days ago
Select Delta flight, departing Tue, 26 Aug from Oakland to Seattle, returning Sat, 6 Sep, priced at HK$1,459 found 5 days ago
Delta
Sat, 13 Sep - Wed, 1 Oct
OAK
Oakland
SEA
Seattle
HK$1,534 Return, found 5 days ago
HK$1,534
Return
found 5 days ago
Select Delta flight, departing Sat, 13 Sep from Oakland to Seattle, returning Wed, 1 Oct, priced at HK$1,534 found 5 days ago
Delta
Mon, 8 Sep - Sat, 13 Sep
OAK
Oakland
SEA
Seattle
HK$1,547 Return, found 5 days ago
HK$1,547
Return
found 5 days ago
Select Delta flight, departing Mon, 8 Sep from Oakland to Seattle, returning Sat, 13 Sep, priced at HK$1,547 found 5 days ago
Delta
Sat, 13 Sep - Wed, 17 Sep
OAK
Oakland
SEA
Seattle
HK$1,620 Return, found 5 days ago
HK$1,620
Return
found 5 days ago
Select Delta flight, departing Sat, 13 Sep from Oakland to Seattle, returning Wed, 17 Sep, priced at HK$1,620 found 5 days ago
Delta
Mon, 15 Sep - Sat, 27 Sep
OAK
Oakland
SEA
Seattle
HK$1,633 Return, found 5 days ago
HK$1,633
Return
found 5 days ago
Select Delta flight, departing Mon, 15 Sep from Oakland to Seattle, returning Sat, 27 Sep, priced at HK$1,633 found 5 days ago
Hawaiian Airlines
Tue, 26 Aug - Wed, 10 Sep
OAK
Oakland
SEA
Seattle
HK$1,704 Return, found 5 days ago
HK$1,704
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, 26 Aug from Oakland to Seattle, returning Wed, 10 Sep, priced at HK$1,704 found 5 days ago
Delta
Mon, 25 Aug - Sat, 6 Sep
OAK
Oakland
SEA
Seattle
HK$1,770 Return, found 5 days ago
HK$1,770
Return
found 5 days ago
Select Delta flight, departing Mon, 25 Aug from Oakland to Seattle, returning Sat, 6 Sep, priced at HK$1,770 found 5 days ago
Hawaiian Airlines
Mon, 8 Sep - Wed, 17 Sep
OAK
Oakland
SEA
Seattle
HK$1,790 Return, found 5 days ago
HK$1,790
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, 8 Sep from Oakland to Seattle, returning Wed, 17 Sep, priced at HK$1,790 found 5 days ago

Find the cheapest month to fly from Oakland (OAK) to Seattle (SEA)

October is typically the cheapest month to fly

From HK$543 - HK$1,229 per traveller.

Graph displaying average flight prices per month

Oakland to Seattle route information
Origin airport
Oakland Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Delta
Return price
HK$1,235
Distance
1075 km
Average flight time
2 hours 3 mins

Flights from Oakland to Seattle

Book cheap flights from Oakland (OAK) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Oakland (OAK) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Oakland (OAK) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$618 now!

 

Frequently asked questions

How much is a flight from Oakland Intl. Airport to 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 HK$1,235. Make your booking ASAP to score the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from OAK to SEA?
Most flights can be canceled 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.
How do I find cheap flights from Oakland Intl. Airport (OAK) to SEA that have flexible change policies?
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.
How far is the flight from Oakland Intl. Airport to SEA?
The flight distance from Oakland Intl. Airport (OAK) (OAK) to Seattle - Tacoma Intl. Airport (SEA) (SEA) is 1,100 kilometers. You'll be disembarking the plane and grabbing your bags from the carousel in the blink of an eye.
Which airlines fly direct from OAK to Seattle - Tacoma Intl. Airport (SEA)?
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.
Are Oakland Intl. Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
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.

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