San Francisco (SFO) to Portland (PWM) flight deal in economy from $305

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSFO

San Francisco International Airport

San Francisco, United States
United StatesPWM

Portland International Jetport

Portland, United States
$557 USD
-45%$305 USD
Verified 1 day ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Sunday, October 18th, 2026

10 round-trip options

Returning
Fri, Oct 23, 2026•5 Day Trip
$558 USD
Google Flights
Returning
Sat, Oct 24, 2026•6 Day Trip
$459 USD
Google Flights
Returning
Sun, Oct 25, 2026•7 Day Trip
$827 USD
Google Flights
Returning
Mon, Oct 26, 2026•8 Day Trip
$554 USD
Google Flights
Returning
Tue, Oct 27, 2026•9 Day Trip
$427 USD
Google Flights
Returning
Wed, Oct 28, 2026•10 Day Trip
$432 USD
Google Flights
Returning
Thu, Oct 29, 2026•11 Day Trip
$464 USD
Google Flights
Returning
Fri, Oct 30, 2026•12 Day Trip
$464 USD
Google Flights
Returning
Sat, Oct 31, 2026•13 Day Trip
$464 USD
Google Flights
Returning
Sun, Nov 1, 2026•14 Day Trip
$495 USD
Google Flights