Cheap Flights from San Francisco to Portland from US$48

Frequently Asked Questions

• What are the cheapest flights from San Francisco to Portland (SFO-PDX)?

  Based on Trip.com data, Alaska Airlines offers one-way fares as low as US$48 on Cheapest nonstop routes (e.g. SFO to PDX on Sun, Oct 11), while Delta Air Lines offers Cheapest nonstop round-trips from US$97 departing on Tue, Oct 27 and returning on Thu, Oct 29.

• Which airlines offer direct flights from San Francisco to Portland?

  At the moment, you can catch a nonstop flight from San Francisco to Portland with the following airlines, including: Alaska Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from San Francisco to Portland?

  It takes about 1 hour 50 minutes to fly from San Francisco to Portland.

• 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.

• How many flights are there per week from San Francisco to Portland?

  Based on Trip.com data in the past 4 weeks, there is 93 flight per week flying from San Francisco to Portland. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS1410 (07:51) United Airlines: S/M/T/W/T/F/S -- UA5777 (08:36)

• How can I find the best deals on flights from San Francisco to Portland?

  To find best deals on flights from San Francisco to Portland, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Oct 11, with one-way flights priced at just US$48.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Portland travel is around January.
  · Get exclusive promo codes for Trip.com app users.

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

  The cheapest months to fly from San Francisco to Portland is November, 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 October flight calendar, it's currently cheapest to fly from San Francisco to Portland on October 19, 2026 with Alaska Airlines, with prices starting at US$100.

• Which airports fly into Portland from San Francisco?

  You can land at any one of the following hubs in Portland: Hillsboro Airport (HIO), and Portland International Airport (PDX). Flying from San Francisco International Airport to Portland International Airport (SFO-PDX) is by far the most common option on this route.

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

  The time difference between Portland and San Francisco is 0m.

• 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.

• What is the average cost of a one-way flight from San Francisco to Portland?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Francisco to Portland is US$156. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from San Francisco to Portland?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from San Francisco to Portland is US$301. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from San Francisco to Portland on Trip.com?

  Enter San Francisco and Portland, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.