Cheap Flights from San Francisco to Portland

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.

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

  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.

• When are flight tickets from San Francisco (SFO) to Portland (PWM) the cheapest?

  The cheapest months to fly from San Francisco to Portland is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Francisco to Portland on?

  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.

• Which airports can I fly to for Portland from San Francisco?

  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).

• Is there any time difference between San Francisco and Portland?

  The time difference between Portland and San Francisco is 3h.

• How do I change or cancel my ticket from San Francisco to Portland?

  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.