Cheap flights from San Francisco International to Portland

Travelers and cabin class

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 round-trip flight from San Francisco International to Portland? Find the lowest prices on one-way and round-trip tickets right here.

When is the cheapest time 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 July.

Direct flights from San Francisco International to Portland

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.

San Francisco to Portland: Flight information

The things to know before you go.
Cheapest flight foundC$133
Cheapest month to flyJuly
Average flight time1 hr, 49 mins
Most popular airlineUnited
Average flights per week593

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

The best price we found for a round-trip flight from San Francisco International to Portland is C$133. 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.
1 hour and 49 minutes is the average flight time from San Francisco International to Portland.
United, Alaska Airlines and Air New Zealand fly direct from San Francisco International to Portland.
There are 593 flights per week flying from San Francisco International to Portland, as of April 2025.
The cheapest month to fly from San Francisco International to Portland is usually April 2025.
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 Friday, July 4, 2025.
Yes – the average flight time is 1 hour and 49 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, Frontier Airlines offers the cheapest flight tickets to Portland.

Flying from San Francisco International Airport (SFO) to Portland International Airport (PDX): what you need to know

  • The average duration of a direct flight from San Francisco International Airport to Portland International Airport is 1 hour 45 minutes.

  • San Francisco and Portland share the same timezone, UTC-7.

  • Choose from 103 weekly San Francisco International Airport to Portland International Airport flights. The 06:00 departure with Alaska Airlines is the earliest flight you can take. United Airlines operates the last service of the day at 23:05.

  • To ensure you catch your SFO to PDX flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months such as August, it's a good idea to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of an international flight when you travel during a high season in general.

  • You'll find a range of airlines operating direct flights from San Francisco International Airport to Portland International Airport. When you're ready to kick off your Portland adventure, let one of these carriers fly you to this must-see corner of United States:

  • The airline that passengers book most often on this route is Alaska Airlines.

  • United Airlines is the most punctual carrier that offers SFO to PDX flights. A reliable 83.48% of its departures on this route arrive on time.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from San Francisco International Airport to Portland International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore the city of your choice. Top stopovers between SFO and PDX include:

    • Seattle-Tacoma International Airport

    • Sacramento International Airport

    • Vancouver International Airport

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

  • C$65 is currently the lowest price for a one-way San Francisco International Airport to Portland International Airport flight. Return flights start at C$133. These fares may change depending on demand and availability.

  • To score cheap tickets from SFO to PDX, book your journey six months before your planned departure.

  • Plan your trip for May. That's the cheapest month for flights from San Francisco International Airport to Portland International Airport. If you have flexibility with your dates, use the 'Whole month' tool to see the cheapest airfare across every month.

  • There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from SFO to PDX.

  • Secure the perfect flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from San Francisco International Airport to Portland International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about San Francisco International Airport (SFO)

  • 77.36% of flights taking off from San Francisco International Airport touch down at their destination on time.

  • Central San Francisco to San Francisco International Airport is around 21 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to catch public transport? Expect a trip time of around 45 minutes.

  • Need a convenient hotel close to SFO? If you're boarding an early flight from San Francisco International Airport to Portland International Airport, these stays will put you moments from your departure gate:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • The address for PDX is 7000 NE Airport Way.

  • From Portland International Airport, Portland is approximately 19 kilometres away. It takes around 20 minutes to reach the centre driving.

  • When travelling on public transport, expect a journey of roughly 45 minutes.

When to fly to Portland International Airport (PDX)

  • It's time to choose your trip dates for your flight from San Francisco International Airport to Portland International Airport. July is the most popular month to visit Portland. If you want a more relaxed vibe, go in May.

  • Lock in your flight from San Francisco International Airport to Portland International Airport for August if you want to explore Portland during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 31ºC (88ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from SFO to PDX in December. Temperatures average between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United States

  • Portland has plenty going for it, but there are so many other corners of United States just waiting to be discovered. Around 241 kilometres north of Portland, a visit to Seattle will keep your itinerary packed. Check out popular attractions like Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • Around 467 kilometres north-east of Portland, Spokane is another favourite stop in United States. Start your sightseeing at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.