Cheap Flights from Seattle to Portland
Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Seattle
RatePunk searches hundreds of travel sites at once for deals on flights to Portland
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 Seattle to Portland
Explore current cheapest deals departing from Seattle to Portland
2026-11-26 – 2026-11-28
SEA - Portland
41% AI deal score
$148
$203
Round trip
2027-02-03 – 2027-02-28
SEA - Portland
36% AI deal score
$77
$203
Round trip
2027-02-09 – 2027-02-23
SEA - Portland
35% AI deal score
$78
$215
Round trip
2027-02-27 – 2027-03-06
SEA - Portland
35% AI deal score
$85
$216
Round trip
2027-02-24 – 2027-03-03
SEA - Portland
35% AI deal score
$85
$216
Round trip
2027-01-26 – 2027-02-02
SEA - Portland
34% AI deal score
$79
$216
Round trip
2026-12-16 – 2027-01-09
SEA - Portland
36% AI deal score
$79
$216
Round trip
2026-12-15 – 2027-01-06
SEA - Portland
36% AI deal score
$80
$216
Round trip
2026-12-30 – 2027-01-05
SEA - Portland
37% AI deal score
$102
$216
Round trip
2026-11-28 – 2026-12-05
SEA - Portland
35% AI deal score
$87
$216
Round trip