Cheap Flights from San Francisco to Portland
Browse current best options from San Francisco. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
San Francisco
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 San Francisco to Portland
Explore current cheapest deals departing from San Francisco to Portland
2026-11-18 – 2026-11-21
SFO - Portland
72% AI deal score
$103
$74
Round trip
2026-11-17 – 2026-11-21
SFO - Portland
72% AI deal score
$104
$74
Round trip
2026-11-16 – 2026-11-21
SFO - Portland
66% AI deal score
$101
$77
Round trip
2027-02-22 – 2027-02-23
SFO - Portland
66% AI deal score
$122
$106
Round trip
2027-02-22 – 2027-02-25
SFO - Portland
66% AI deal score
$123
$106
Round trip
2027-02-22 – 2027-02-24
SFO - Portland
66% AI deal score
$122
$106
Round trip
2027-02-24 – 2027-02-25
SFO - Portland
66% AI deal score
$122
$106
Round trip
2027-02-25 – 2027-02-27
SFO - Portland
66% AI deal score
$122
$106
Round trip
2026-12-09 – 2026-12-16
SFO - Portland
47% AI deal score
$109
$107
Round trip
2026-12-05 – 2026-12-07
SFO - Portland
49% AI deal score
$116
$107
Round trip