Cheapest airlines flights from San Francisco to Portland

Fly from San Francisco to Portland with 1 carriers, including United Airlines, American Airlines offers the cheapest flights from San Francisco to Portland.

Find San Francisco to Portland flight deals for the next 3 months. One way flights from US$189, round trip flights from US$258.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

San Francisco to Portland Flight Information

The distance between San Francisco and Portland is approximately 4,373.07 km. The most popular month to fly to Portland is July. The off-season for travel is October.

Cheapest one-way flight priceUS$189
Cheapest return ticket priceUS$258
Cheapest monthOctober
Peak season for travelJuly
Flight distance4,373.07 km
Popular airlineUnited Airlines

When is the cheapest time to book flights from San Francisco to Portland?

Best time for cheap flights from San Francisco to Portland are between Jan 11 and Jan 18 with one way fares from US$162

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer flights from San Francisco to Portland?

    At the moment, several airlines serve connecting flights from San Francisco to Portland, including: United Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Portland is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from San Francisco to Portland is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from San Francisco to Portland on November 15, 2025 with Delta Air Lines, with prices starting at US$132.
  • You can land at any one of the following hubs in Portland, with San Francisco International Airport to Portland International Jetport (SFO-PWM) is by far the most common option on this route: Portland International Jetport (PWM).
  • The time difference between Portland and San Francisco is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.