$129 Cheap Flights from Portland (PWM) to San Francisco (SFO)

View $129 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO)

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

Prices were available within the past 7 days and start at $129 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 21 - Sat, Jan 24
PWM
Portland
SFO
San Francisco
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from Portland to San Francisco, returning Sat, Jan 24, priced at $251 found 2 days ago
United
Wed, Jan 21 - Sat, Jan 24
PWM
Portland
SFO
San Francisco
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from Portland to San Francisco, returning Sat, Jan 24, priced at $253 found 2 days ago
American Airlines
Wed, Dec 10 - Thu, Dec 11
PWM
Portland
SFO
San Francisco
$257 Roundtrip, found 16 hours ago
$257
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Portland to San Francisco, returning Thu, Dec 11, priced at $257 found 16 hours ago
Delta
Wed, Dec 10 - Thu, Dec 11
PWM
Portland
SFO
San Francisco
$257 Roundtrip, found 16 hours ago
$257
Roundtrip
found 16 hours ago
Select Delta flight, departing Wed, Dec 10 from Portland to San Francisco, returning Thu, Dec 11, priced at $257 found 16 hours ago
American Airlines
Wed, Feb 4 - Mon, Feb 9
PWM
Portland
SFO
San Francisco
$259 Roundtrip, found 12 hours ago
$259
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, Feb 4 from Portland to San Francisco, returning Mon, Feb 9, priced at $259 found 12 hours ago
Delta
Thu, Dec 4 - Mon, Dec 8
PWM
Portland
SFO
San Francisco
$262 Roundtrip, found 23 hours ago
$262
Roundtrip
found 23 hours ago
Select Delta flight, departing Thu, Dec 4 from Portland to San Francisco, returning Mon, Dec 8, priced at $262 found 23 hours ago
Southwest Airlines
Wed, Dec 10 - Tue, Dec 16
PWM
Portland
SFO
San Francisco
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Portland to San Francisco, returning Tue, Dec 16, priced at $264 found 1 day ago
Delta
Tue, Jan 20 - Sat, Jan 31
PWM
Portland
SFO
San Francisco
$267 Roundtrip, found 2 days ago
$267
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jan 20 from Portland to San Francisco, returning Sat, Jan 31, priced at $267 found 2 days ago
Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
PWM
Portland
SFO
San Francisco
$272 Roundtrip, found 23 hours ago
$272
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Portland to San Francisco, returning Mon, Dec 8, priced at $272 found 23 hours ago
JetBlue Airways
Mon, Mar 30 - Tue, Mar 31
PWM
Portland
SFO
San Francisco
$287 Roundtrip, found 2 days ago
$287
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Mar 30 from Portland to San Francisco, returning Tue, Mar 31, priced at $287 found 2 days ago

Find the cheapest month to fly from Portland (PWM) to San Francisco (SFO)

September is typically the cheapest month to fly

From $184 - $463 per traveler.

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Oakland Intl. OAK. Average driving time to city center is 26 minutes. Flights from $307
OAK
Oakland Intl.
Average driving time to city center26 min
Flights from $307

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO) cost?
Grab a cheap one-way flight from $129 or cheap return flight from $251 from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO)?
January is the most affordable month to fly from PWM to SFO. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO)?
To find the cheapest airline that'll fly you from PWM to SFO, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO)?
Direct flights from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PWM to SFO?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO)?
Choose a flight from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO) last-minute?
Booking your ticket from PWM to SFO shortly before your journey is generally more expensive. But if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a PWM to SFO flight and hotel package?
You'll generally save money by securing a PWM to SFO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to San Francisco Intl. Airport (SFO)?
If you reserved your PWM to SFO flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl. Jetport
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$250
Distance
2716 mi

Book with confidence

Portland to San Francisco Flights

The cheapest times to fly from Portland to San Francisco

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 Portland to San Francisco are during the month of January. You can find some of the cheapest flights from Portland to San Francisco with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Portland to San Francisco: 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 Portland to San Francisco

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 Portland to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $129 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 Portland to San Francisco 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 Portland to San Francisco 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.

 

Portland to San Francisco Flights

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*Available to One Key members.