$89 Cheap Delta flights Oakland (OAK) to Seattle (SEA)

View $89 flight on Sat, Sep 13, 2025Opens in a new window

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$89 Cheap Delta flights Oakland (OAK) to Seattle (SEA)

Prices were available within the past 7 days and start at $89 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep 13 - Wed, Sep 17
OAK
Oakland
SEA
Seattle
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Sep 13 from Oakland to Seattle, returning Wed, Sep 17, priced at $177 found 1 hour ago
Delta
Sat, Aug 2 - Wed, Aug 6
OAK
Oakland
SEA
Seattle
$179 Roundtrip, found 1 hour ago
$179
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Aug 2 from Oakland to Seattle, returning Wed, Aug 6, priced at $179 found 1 hour ago
Delta
Tue, Aug 5 - Fri, Aug 8
OAK
Oakland
SEA
Seattle
$180 Roundtrip, found 3 hours ago
$180
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Aug 5 from Oakland to Seattle, returning Fri, Aug 8, priced at $180 found 3 hours ago
Flights from Oakland (OAK) to Seattle (SEA)
Origin airport
Oakland Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, Southwest Airlines, Spirit Airlines
Popular airline
Alaska Airlines
Distance
672 mi
Average flight time
2 hours 2 mins

Frequently asked questions

How much is a Delta Air Lines flight from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA)?
Scoring cheap one-way Delta Air Lines flights from OAK to SEA from $89 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $177 for your next exciting adventure.**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.
What is the cheapest month to fly from OAK to SEA with Delta Air Lines?
January is one of the least expensive months to get away to Seattle with Delta Air Lines. You could also find fantastic deals on one-way and return fares in February.
What is the cheapest time to book flights from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA) with Delta Air Lines?
Begin your search one to three months ahead of your travel date to score cheap fares on Delta Air Lines 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 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.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*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.
Does Delta Air Lines fly nonstop from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA)?
Use the "Nonstop" filter when searching for direct Delta Air Lines flights from OAK to SEA. It's also a good way to compare other airlines offering the same direct route.
What is the earliest Delta Air Lines flight from OAK to SEA?
Sort your results by "Early Morning" and "Morning" to browse the earliest flights from OAK to SEA. Setting off early means flight cancellations are less likely.**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.
What airports does Delta Air Lines fly into in Seattle?
Delta Air Lines flights from Oakland Intl. Airport (OAK) to Seattle come in to land at Seattle - Tacoma Intl. Airport (SEA). This is the main entry point to this city.
Why fly with Delta Air Lines from OAK to SEA?
With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many passengers heading from OAK to SEA. Plus, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Oakland Intl. Airport (OAK) to Seattle - Tacoma Intl. Airport (SEA)?
Changes are often free within 24 hours of making your booking, but your airline may charge you after that time. For further details about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without additional charges, check the "Changes included" and "No cancel fee" filters when organizing your next escape.

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*Available to One Key members.