Cheap Flights from San Diego to Seattle
Browse current best options from San Diego. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
San Diego
RatePunk searches hundreds of travel sites at once for deals on flights to Seattle
Prices updated 7 days ago
483 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)
Today’s best flight deals from San Diego to Seattle
Explore current cheapest deals departing from San Diego to Seattle
2026-11-19 – 2026-11-23
SAN - Everett
80% AI deal score
$180
$121
Round trip
2026-12-02 – 2026-12-05
SAN - Everett
79% AI deal score
$179
$121
Round trip
2026-12-03 – 2026-12-07
SAN - Everett
79% AI deal score
$179
$121
Round trip
2026-11-17 – 2026-11-23
SAN - Everett
78% AI deal score
$171
$124
Round trip
2026-11-18 – 2026-11-23
SAN - Everett
79% AI deal score
$177
$124
Round trip
2026-12-12 – 2026-12-14
SAN - Seattle
71% AI deal score
$161
$124
Round trip
2026-11-20 – 2026-11-23
SAN - Everett
78% AI deal score
$181
$128
Round trip
2026-12-01 – 2026-12-05
SAN - Seattle
70% AI deal score
$159
$131
Round trip
2026-11-18 – 2026-11-23
SAN - Seattle
66% AI deal score
$130
$133
Round trip
2026-11-19 – 2026-11-23
SAN - Seattle
66% AI deal score
$132
$133
Round trip