What to know about flights from San Francisco to Portland?

The distance between San Francisco and Portland is approximately 886.36km. The average flight time between San Francisco and Portland is 1 hour 49 minutes. According to Trip.com data, travel demand is highest in January. November is generally the cheapest month to book.

Cheapest one-way
£36
Alaska Airlines Alaska Airlines SFO-PDX 1h 51m · Direct Sun, Oct 11
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Cheapest return
£73
Delta Air Lines Delta Air Lines SFO-PDX 4h 25m · 1 stop Tue, Oct 27 - Thu, Oct 29
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Best time to book
April
Cheapest
January
Peak season for travel
Route details
886.36km
Flight distance
1h 49m
Average flight time

Explore the cheapest one-way and round-trip flights from San Francisco to Portland over the next 90 days, with one-way fares from £36 and round-trip from £73. Based on Trip.com's latest 7-day flight data.

Flight.News
Flights from San Francisco to Portland operate an average of 59 times per day over the past 7 days, with a 25.1% on-time departure rate and a 72.3% on-time arrival rate.

Which airlines are the most popular for San Francisco to Portland flights?

You can choose from 2 airlines flying from San Francisco to Portland, including Alaska Airlines, United Airlines and . Alaska Airlines currently offers the cheapest direct ticket on this route.
Alaska Airlines logo Alaska Airlines
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from San Francisco to Portland according to previous 12 months data from Trip.com.

Trip.com Price Insights on San Francisco to Portland Flights

What is the cheapest month to book a one-way flight from San Francisco to Portland?

Average price of one-way tickets from San Francisco to Portland booked on Trip.com over the past 12 months.

For a one-way flight from San Francisco to Portland, fares are lowest in April (£129) and highest in June (£195).

£195
£162
£129
£96
    Cheapest
  • £141
    Oct
  • £135
    Nov
  • £141
    Dec
  • £131
    Jan
  • £154
    Feb
  • £163
    Mar
  • £129
    Apr
  • £170
    May
  • £195
    Jun
  • £166
    Jul
  • £150
    Aug
  • £129
    Sep

What is the cheapest month to book a return flight from San Francisco to Portland?

Average price of return tickets from San Francisco to Portland booked on Trip.com over the past 12 months.

For a return flight from San Francisco to Portland, fares are lowest in December (£111) and highest in July (£318).

£318
£215
£111
£8
    Cheapest
  • £211
    Oct
  • £200
    Nov
  • £111
    Dec
  • £207
    Jan
  • £256
    Feb
  • £262
    Mar
  • £190
    Apr
  • £219
    May
  • £220
    Jun
  • £318
    Jul
  • £208
    Aug
  • £249
    Sep

Flight FAQs

  • Which airlines offer the cheapest flights from San Francisco to Portland?

    Based on Trip.com data, Alaska Airlines offers Cheapest nonstop one-way flights from £36 (for example, SFO–PDX on Sun, Oct 11). For a Cheapest nonstop return flight, Delta Air Lines offers fares from £73, departing on Tue, Oct 27 and returning on Thu, Oct 29.
  • At the moment, you can catch a direct 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.
  • A flight from San Francisco (SFO) to Portland (PDX) takes an average of 1 hour 49 minutes.
  • 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.
  • On average, 93 direct flights operate each week between San Francisco and Portland. See below the schedules of the main airlines serving this route:
    Alaska Airlines: S/M/T/W/T/F/S – AS1410 (departure at 07:51) United Airlines: S/M/T/W/T/F/S – UA5777 (departure at 08:36)
  • Here are some tips for finding the best flight deals from San Francisco to Portland on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Sun, Oct 11, with one-way fares from just £36.
    · Compare airlines. Alaska Airlines currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. January is generally the busiest month for travel to Portland.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from San Francisco to Portland is usually November, when demand is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from San Francisco to Portland on October 10, 2026 with Alaska Airlines, with prices starting at £35.
  • Flights to Portland can arrive at: Hillsboro Airport (HIO) and Portland International Airport (PDX). The most common route connects San Francisco International Airport and Portland International Airport (SFO–PDX).
  • The time difference between Portland and San Francisco is 0m.
  • Tickets can only be changed or cancelled 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Francisco to Portland is £119. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for flights departing in the next 30 days, the average return fare from San Francisco to Portland is £227. Fares vary by travel date, airline and availability.
  • 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 traveller details and complete payment to receive your confirmation.

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.