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Cheap Flights from San Francisco International to Portland

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      Travellers and cabin class, 1 Adult, Economy
      United

      Compare San Francisco International to Portland flight deals

      Find the cheapest month or even day of the year to fly to Portland

      Book the best Portland fare with no extra fees

      Flight deals from San Francisco International to Portland

      Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Portland Airport? If you want to travel next month, return fares start from Rs101,596. Find the lowest prices on one-way and return tickets right here.
      Portland.Rs52,332 per passenger.Departing Wed, 7 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Wed, 7 Oct, arriving in Portland.Price includes taxes and charges.From Rs52,332, select.
      Portland.Rs55,096 per passenger.Departing Sun, 22 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Sun, 22 Nov, arriving in Portland.Price includes taxes and charges.From Rs55,096, select.
      Portland.Rs59,744 per passenger.Departing Thu, 24 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Thu, 24 Sep, arriving in Portland.Price includes taxes and charges.From Rs59,744, select.
      Portland.Rs64,863 per passenger.Departing Sat, 13 Mar.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Sat, 13 Mar, arriving in Portland.Price includes taxes and charges.From Rs64,863, select.
      Portland.Rs67,449 per passenger.Departing Tue, 29 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Tue, 29 Jun, arriving in Portland.Price includes taxes and charges.From Rs67,449, select.
      Portland.Rs76,746 per passenger.Departing Sun, 27 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Sun, 27 Dec, arriving in Portland.Price includes taxes and charges.From Rs76,746, select.
      Portland.Rs88,262 per passenger.Departing Sat, 3 Oct.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sat, 3 Oct, arriving in Portland.Price includes taxes and charges.From Rs88,262, select.
      Portland.Rs88,880 per passenger.Departing Sat, 26 Sep.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sat, 26 Sep, arriving in Portland.Price includes taxes and charges.From Rs88,880, select.

      Find the cheapest month to fly from San Francisco International to Portland

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Portland flights are currently cheapest in October.
      Sep
      from Rs59,658
      Oct
      from Rs52,257
      Nov
      from Rs55,017
      Dec
      from Rs76,636
      Jan
      Find prices
      Feb
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      Mar
      from Rs64,769
      Apr
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      May
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      Jun
      from Rs67,352
      Jul
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      Aug
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      Direct flights from San Francisco International to Portland

      United

      San Francisco International to Portland: Alternative routes

      Compare routes from San Francisco International to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

      Portland

      4km from central Portland
      ClosestCheapest
      from Rs52,257
      Search flights

      Portsmouth

      79km from central Portland
      from Rs58,623
      Search flights

      Augusta

      82km from central Portland
      from Rs64,271
      Search flights

      San Francisco to Portland: Flight information

      The things to know before you go.
      Cheapest flight foundRs52,257
      Cheapest month to flyOctober
      Average flight time5 hrs, 47 mins
      Most popular airlineUnited
      Average flights per week2

      Finding cheap flights from San Francisco International to Portland: Frequently asked questions

      The best price we found for a return flight from San Francisco International to Portland is Rs101,535. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      5 hours and 47 minutes is the average flight time from San Francisco International to Portland.
      United flies direct from San Francisco International to Portland.
      As of September 2026, there are 2 flights per week flying from San Francisco International to Portland.
      The cheapest month to fly from San Francisco International to Portland is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Portland Airport on Saturday, 26 September 2026.
      Yes – the average flight time is 5 hours and 47 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, United offers the cheapest flight tickets to Portland.

      Travelling from San Francisco International Airport (SFO) to Portland Airport (PWM): what you need to know

      • Around 5 hours 50 minutes is how long you'll be travelling on a direct flight from San Francisco International Airport to Portland Airport.

      • Leave enough time to catch your SFO to PWM flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

      • Flying during a peak month such as July? Public holidays and other popular seasons can result in longer queues and delays at check-in and security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

      • United is your gateway to exploring Portland (and perhaps some other great parts of the United States!). Check out the direct flights from San Francisco International Airport to Portland Airport offered by this airline.

      • The airline most travellers fly with on this route is United.

      • If you want to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from San Francisco International Airport to Portland Airport. Here are the most popular stopovers between SFO and PWM:

        • Chicago O'Hare International Airport

        • Denver International Airport

        • Chicago Midway Airport

      How to find the cheapest flights from San Francisco International Airport (SFO) to Portland Airport (PWM)

      • The cheapest price we've found for a one-way San Francisco International Airport to Portland Airport flight is Rs52,257. A return ticket right now is Rs101,535. Depending on the availability when you book, these fares can change.

      • It's usually smart to book early if you're looking for cheap tickets from SFO to PWM. That's because airlines adjust prices based on demand, which tends to rise closer to departure.

      • Getting cheap flights from San Francisco International Airport to Portland Airport is easy if you can be flexible with your travel plans. Use the 'Whole month' tool to see the best prices across the month and land a great deal.

      • Stay on top of deals for cheap flights from SFO to PWM by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

      • Discover the ideal flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from San Francisco International Airport to Portland Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

      Handy information about San Francisco International Airport (SFO)

      • 78% of flights that leave from San Francisco International Airport land at their destination on time.

      • Central San Francisco to San Francisco International Airport is approximately 21 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're catching a taxi, ride-sharing or driving.

      • Taking public transport? Expect a journey time of around 35 minutes.

      • Get your trip off to a leisurely start by staying near SFO. Whether you're boarding an early flight from San Francisco International Airport to Portland Airport or just don't want to be rushed, these stays are the answer:

      Arriving at Portland Airport (PWM)

      When to fly to Portland Airport (PWM)

      • Before booking your flights from San Francisco International Airport to Portland Airport, think about which time of year is best for you. High season in Portland offers a bustling atmosphere and plenty to do, while the off-season means you'll get cheaper hotel deals and fewer crowds.

      • The warmest month in Portland is July, with temperatures ranging between 14ºC and 25ºC. Lock in your flights from San Francisco International Airport to Portland Airport in this month if this is the kind of weather you like.

      • Search for cheap tickets from SFO to PWM in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -10ºC and 3ºC on average.

      Explore more of the United States

      • You've visited Portland, now it's time to discover other parts of the United States. Travel about 451 kilometres south-west to New York to tick off its popular sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.

      • Around 161 kilometres south-west of Portland, Boston is another essential stop in the United States. Start your sightseeing at Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.

      Plan the rest of your trip from San Francisco to Portland

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.