$65 Cheap Flights from Portland (PDX) to San Francisco (SFO)

View $65 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to San Francisco Intl. Airport (SFO)

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

Prices were available within the past 7 days and start at $65 for one-way flights and $111 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Nov 11 - Thu, Nov 13
PDX
Portland
SFO
San Francisco
$111 Roundtrip, found 2 days ago
$111
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Nov 11 from Portland to San Francisco, returning Thu, Nov 13, priced at $111 found 2 days ago
Southwest Airlines
Sat, Dec 6 - Mon, Dec 8
PDX
Portland
SFO
San Francisco
$119 Roundtrip, found 3 days ago
$119
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Portland to San Francisco, returning Mon, Dec 8, priced at $119 found 3 days ago
Southwest Airlines
Sun, Dec 7 - Tue, Dec 9
PDX
Portland
SFO
San Francisco
$132 Roundtrip, found 3 days ago
$132
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sun, Dec 7 from Portland to San Francisco, returning Tue, Dec 9, priced at $132 found 3 days ago
Bargain Flight
Wed, Oct 15 - Sat, Oct 18
PDX
Portland
SFO
San Francisco
$135 Roundtrip, found 16 hours ago
$135
Roundtrip
found 16 hours ago
Select Bargain Flight flight, departing Wed, Oct 15 from Portland to San Francisco, returning Sat, Oct 18, priced at $135 found 16 hours ago
Bargain Flight
Thu, Oct 30 - Wed, Nov 5
PDX
Portland
SFO
San Francisco
$136 Roundtrip, found 21 hours ago
$136
Roundtrip
found 21 hours ago
Select Bargain Flight flight, departing Thu, Oct 30 from Portland to San Francisco, returning Wed, Nov 5, priced at $136 found 21 hours ago
Frontier Airlines
Fri, Aug 8 - Mon, Aug 11
PDX
Portland
SFO
San Francisco
$136 Roundtrip, found 3 hours ago
$136
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Aug 8 from Portland to San Francisco, returning Mon, Aug 11, priced at $136 found 3 hours ago
Alaska Airlines
Wed, Aug 13 - Mon, Aug 18
PDX
Portland
SFO
San Francisco
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Aug 13 from Portland to San Francisco, returning Mon, Aug 18, priced at $137 just found
United
Tue, Oct 7 - Wed, Oct 8
PDX
Portland
SFO
San Francisco
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 7 from Portland to San Francisco, returning Wed, Oct 8, priced at $137 found 1 hour ago
United
Thu, Aug 14 - Mon, Aug 18
PDX
Portland
SFO
San Francisco
$140 Roundtrip, found 3 hours ago
$140
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Aug 14 from Portland to San Francisco, returning Mon, Aug 18, priced at $140 found 3 hours ago
Southwest Airlines
Sat, Dec 13 - Sun, Dec 14
PDX
Portland
SFO
San Francisco
$143 Roundtrip, found 2 days ago
$143
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Dec 13 from Portland to San Francisco, returning Sun, Dec 14, priced at $143 found 2 days ago

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

September is typically the cheapest month to fly

From $48 - $146 per traveler.

Graph displaying average flight prices per month

Flights from Portland (PDX) to San Francisco (SFO)
Origin airport
Portland Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$111
Distance
550 mi
Average flight time
1 hour 52 mins

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 November. 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 $65 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.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO) cost?
Pick up cheap return flights starting from $98 from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving PDX on August 8 2025 and touching down at SFO. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from PDX to SFO?
The cheapest flights from PDX to SFO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO)?
Fly straight to San Francisco Intl. Airport (SFO). 3 airlines operate direct routes from Portland Intl. Airport (PDX), including:

  • Alaska Airlines
  • United Airlines
  • Frontier Airlines

What is the cheapest airline that flies from PDX to SFO?
Fly from PDX to SFO with Frontier Airlines. This carrier currently offers the cheapest one-way fare for this route, starting from $49. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PDX on August 18 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO)?
When flying out of Portland Intl. Airport (PDX), you'll have a choice from an average of 10 daily direct flights to San Francisco Intl. Airport (SFO).
What are the most popular departure times for flights from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO)?
The 11 AM departures from PDX to SFO see the highest demand. These flights can come with a higher price due to their popularity. If you want to save money, book during off-peak hours.
What day of the week has the most flights from PDX to SFO?
Travel on a Friday if you're looking for the best selection of flights from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO).
What is the earliest flight from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO)?
Catch the earliest flight at around 6:03AM UTC-8, heading out of Portland Intl. Airport (PDX). You'll be traveling for about 1h 57m, touching down at San Francisco Intl. Airport (SFO) at approximately 8:00AM UTC-8.
How long does it take to fly from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO)?
The average flight time from PDX to SFO is 1 hour and 53 minutes, covering a distance of 550 mi.
What airline has the least delays from PDX to SFO?
Consider booking with American Airlines if you'd like to fly straight from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO) without any holdups. This carrier has the strongest track record for punctuality, with an on-time score of 91%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO)?
To avoid potential delays on the Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO) route, travel before 3 PM. Departures after this time have a 22% higher chance of being 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.
What airports do you fly into for San Francisco from Portland Intl. Airport (PDX)?
Portland Intl. Airport (PDX) has direct flights to San Francisco. Here are some of the airports you can fly to without stops:

  • San Francisco Intl. Airport (SFO)
  • Norman Y. Mineta San Jose Intl. Airport (SJC)
  • Oakland Intl. Airport (OAK)

Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO) last-minute?
Booking your ticket from PDX to SFO right before your journey is usually more expensive. But if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a PDX to SFO flight and hotel package?
Opting for a PDX to SFO flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to San Francisco Intl. Airport (SFO)?
If you reserved your PDX to SFO flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, 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 for more details.

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