$54 Cheap Flights from San Francisco (SFO) to Portland (PDX)

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Cheap Flights from San Francisco to Portland (SFO-PDX)

Prices were available within the past 7 days and start at $54 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Delta
Alaska Airlines
United
Southwest Airlines
Flights from San Francisco (SFO) to Portland (PDX)
Origin airport
San Francisco Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$102
Distance
550 mi

San Francisco to Portland Flights

The cheapest times to fly from San Francisco to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Portland are during the month of July. You can find some of the cheapest flights from San Francisco to Portland with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Francisco to Portland

Sunday is one of the best days to book for cheap flights from San Francisco to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Francisco to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $54 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from SFO to PDX Airport?
Alaska Airlines has a direct flight jetting off from San Francisco Airport at 6:20PM and reaching Portland Airport at 8:04PM — a flight duration of 1 hour and 44 minutes. Select the best seat available, bring your headphones to keep you occupied and the time will fly by.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Portland Intl. Airport (PDX) last minute?
Being the spontaneous type is an amazing way to travel around, but it isn’t necessarily the best way to land a cheap fare. Think about booking your San Francisco Airport to Portland Airport trip in advance instead of leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you reach your destination!
What airline has the least delays from San Francisco Airport to Portland Intl. Airport (PDX)?
If you’d prefer not to be stuck at the airport — or worse, have your trip upended because of a flight delay — book with Alaska Airlines. Around 85% of its San Francisco Intl. Airport (SFO) to Portland Intl. Airport (PDX) services are on time. You can check your flight status before traveling to the airport through the free Expedia App. It also delivers real-time alerts about other helpful info, such as gate changes, luggage carousel numbers and how to get to your hotel. Keep all the details in your pocket with this all-in-one travel companion.
What airports do you fly into for Portland from San Francisco?
From San Francisco, you can reach Portland via Portland Intl. Airport (PDX), Salem, OR (SLE-McNary Field) and Portland - Troutdale Airport (TTD). It’s a good idea to check which terminal is the right option for you before making your decision. If you choose Portland Intl. Airport (PDX), it’s about 7 mi northeast of the city center. Use the dough you save when booking your fare with Expedia to discover the city’s popular sights, such as Oregon Zoo and Portland State University.
What are the most popular departure times for flights from San Francisco Airport to Portland Airport?
For United Airlines flights from San Francisco Airport to Portland Intl. Airport (PDX), the busiest time is between 4:00 PM - 5:00 PM. If you’d like to avoid any delays, fly out in the morning. This gives you a better chance to dodge air traffic that accumulates in the afternoon and evening.
Can I change the date of my flight from SFO to PDX?
It’s easy to make changes to your San Francisco Airport to PDX Airport trip yourself. Just log in to the Expedia Trips portal and click on “change flight.” Search for new flights and book the one that fits your new plans. You’ll get an estimate of applicable flight change fees. You can also visit our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

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*Available to One Key members.