$139 Cheap Delta flights Oakland (OAK) to Seattle (SEA)

View $139 flight on Tue, Feb 17, 2026Opens in a new window

$139 Cheap Delta flights Oakland (OAK) to Seattle (SEA)

Prices were available within the past 7 days and start at $139 for one-way flights and $363 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Sep 11 - Sat, Sep 19
OAK
Oakland
SEA
Seattle
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 11 from Oakland to Seattle, returning Sat, Sep 19, priced at $363 found 1 day ago
Delta
Fri, Sep 11 - Sat, Sep 19
OAK
Oakland
SEA
Seattle
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 11 from Oakland to Seattle, returning Sat, Sep 19, priced at $459 found 1 day ago

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

February is typically the cheapest month to fly

From $63 - $148 per traveler.
Flights from Oakland (OAK) to Seattle (SEA)
Origin airport
Oakland Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, Delta, Southwest Airlines
Popular airline
Alaska Airlines
Distance
1075 km
Average flight time
2 hours 10 mins