Cheap Flights from San Francisco (SFO) to Portland (PTJ)

Featured airlines

American Airlines
United
Southwest Airlines
Delta
Spirit Airlines
JetBlue Airways
Frontier Airlines
Air India
Hawaiian Airlines

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.
Flights from San Francisco (SFO) to Portland (PTJ)
Origin airport
San Francisco Intl.
Destination airport
Portland
Distance
8043 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 . 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 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 much does a flight from San Francisco Intl. Airport (SFO) to Portland, VIC (PTJ) cost?
Discover the latest flight deals from SFO to PTJ by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SFO to PTJ?
The cheapest flights from SFO to PTJ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SFO to PTJ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SFO to PTJ. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Portland, VIC (PTJ)?
You’ll need to hop on a flight with a layover if you’re traveling from San Francisco Intl. Airport (SFO) to Portland, VIC (PTJ). Direct flights don’t operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SFO to PTJ?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Portland, VIC (PTJ)?
To reach Portland, VIC (PTJ) on time, choose a flight that takes off from San Francisco Intl. Airport (SFO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Portland, VIC (PTJ) last-minute?
Booking your ticket from SFO to PTJ right before your journey is typically more expensive. But if you’re flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a SFO to PTJ flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to PTJ flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the stress out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Portland, VIC (PTJ)?
In most instances, you can cancel or reschedule your SFO to PTJ flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline’s rules and fees on flight changes, or if you want further details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.