Find flights
Deals
When to book
FAQs

Cheap flights from San Francisco to Portland from £66

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PDX
14 Jul — 21 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Portland are usually found in September or October, booked 84 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Portland

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Portland
Explore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 June 2026.

Sat 22/814:05
SFO
-
PDX
1 stop7h 00m
Southwest
Wed 26/806:55
PDX
-
SFO
2 stops7h 10m
Southwest
Deal found 10/6£139
Thu 6/815:00
SFO
-
PDX
2 stops6h 45m
Southwest
Wed 12/806:35
PDX
-
SFO
2 stops7h 30m
Southwest
Deal found 13/6£141
Tue 11/807:20
SFO
-
PDX
Nonstop1h 42m
Alaska Airlines
Wed 12/817:40
PDX
-
SFO
1 stop5h 28m
Alaska Airlines
Deal found 13/6£142
Thu 6/807:20
SFO
-
PDX
Nonstop1h 42m
Alaska Airlines
Mon 10/807:19
PDX
-
SFO
Nonstop1h 57m
Alaska Airlines
Deal found 11/6£143
Tue 14/721:17
SFO
-
PDX
Nonstop1h 58m
United Airlines
Sat 18/713:14
PDX
-
SFO
Nonstop1h 50m
United Airlines
Deal found 13/6£145
Sat 10/1016:40
SFO
-
PDX
Nonstop1h 51m
United Airlines
Mon 12/1005:30
PDX
-
SFO
Nonstop1h 51m
United Airlines
Deal found 11/6£146
Wed 8/705:55
SFO
-
PDX
1 stop4h 40m
Delta
Tue 14/717:50
PDX
-
SFO
1 stop6h 09m
Delta
Deal found 10/6£147
Mon 10/807:00
SFO
-
PDX
2 stops12h 20m
Southwest
Tue 11/807:50
PDX
-
SFO
2 stops6h 50m
Southwest
Deal found 11/6£148
Wed 2/908:23
SFO
-
PDX
Nonstop1h 46m
Alaska Airlines
Tue 8/910:37
PDX
-
SFO
Nonstop2h 02m
Alaska Airlines
Deal found 12/6£148
Sat 1/807:20
SFO
-
PDX
Nonstop1h 42m
Alaska Airlines
Tue 4/817:36
PDX
-
SFO
Nonstop1h 54m
Alaska Airlines
Deal found 10/6£149
Thu 6/815:20
SFO
-
PDX
1 stop7h 25m
Southwest
Mon 10/815:40
PDX
-
SFO
1 stop6h 25m
Southwest
Deal found 14/6£150
Wed 8/707:20
SFO
-
PDX
Nonstop1h 42m
Alaska Airlines
Sun 12/707:19
PDX
-
SFO
Nonstop1h 57m
Alaska Airlines
Deal found 13/6£151

Find flight deals from San Francisco to Portland

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 June 2026.

Round-trip from

£139

One-way from

£66

Popular in

March

Cheapest in

September

Average price

£242
Southwest
  • Southwest
  • 22/8-25/8
  • 3 total stops
  • 15h 40m total
  • San Francisco to Portland
Search Deals
Southwest
  • Southwest
  • 23/9
  • 2 total stops
  • 8h 35m total
  • San Francisco to Portland
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 June 2026.
Use the filters below to find and compare flights from San Francisco to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Thu 13/8

07:20-09:02

Nonstop1h 42m

Portland

Fri 21/8

21:35-23:28

Nonstop1h 53m

£143

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Thu 15/10

06:05-10:38

1 stop4h 33m

Portland

Mon 19/10

05:30-12:12

1 stop6h 42m

£147

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 8/7

05:55-10:35

1 stop4h 40m

Portland

Tue 14/7

17:50-23:59

1 stop6h 09m

£147

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 22/7

05:55-11:41

1 stop5h 46m

Portland

Tue 28/7

05:30-09:38

1 stop4h 08m

£147

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 5/8

16:40-21:55

1 stop5h 15m

Portland

Sat 8/8

14:40-19:35

1 stop4h 55m

£150

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Thu 6/8

11:30-18:25

2 stops6h 55m

Portland

Mon 10/8

12:40-18:50

2 stops6h 10m

£157

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Thu 6/8

06:20-10:42

1 stop4h 22m

Portland

Tue 11/8

05:30-09:36

1 stop4h 06m

£157

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Thu 6/8

07:20-09:02

Nonstop1h 42m

Portland

Mon 10/8

07:19-09:16

Nonstop1h 57m

£159

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 8/7

13:30-20:02

1 stop6h 32m

Portland

Mon 13/7

05:30-09:38

1 stop4h 08m

£166

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Tue 7/7

05:55-10:35

1 stop4h 40m

Portland

Mon 13/7

05:30-09:38

1 stop4h 08m

£166

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from San Francisco to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Portland

How far ahead should I book a flight from San Francisco to Portland?

The best time to book flights from San Francisco to Portland is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Portland?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Portland (average of £174). Flying from San Francisco to Portland in March is currently the most expensive (average of £251). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to PDX?

Find hourly flight availability from San Francisco to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 June 2026.

When flying from San Francisco to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 77% versus a flight at midday.

How much does it cost for a return flight from San Francisco to Portland?

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this San Francisco to Portland flight route?

    Within the past month, 4 users have taken a look at flights from San Francisco to Portland.

  • How long is the flight from San Francisco to Portland?

    Southwest, United Airlines, and Alaska Airlines can get you from San Francisco to Portland in just under 1h 44m. Your travel time can differ by up to 5h 06m. San Francisco and Portland are separated by a distance of 550 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from San Francisco to Portland?

    Before booking your flight to Portland from San Francisco, check out the most reliable airlines to get you to your destination on time: Turkish Airlines (88%), ITA Airways (84%), SWISS( 83%).

  • Can I find deals for flights from San Francisco to Portland that include hotel bookings?

    Yes. In addition to deals on San Francisco to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Portland.

  • Can I find deals for business class flights from San Francisco to Portland?

    Yes. Cheapflights offers flight deals from San Francisco to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Portland?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Portland (average of £174). Flying from San Francisco to Portland in March is currently the most expensive (average of £251). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Portland flights
Los Angeles to Eugene flights
San Diego to Portland flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Portland?

Deals for San Francisco to Portland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Portland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Portland.

Can Cheapflights find flights from San Francisco to Portland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Portland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to Portland become cheaper?

Yes! Start tracking prices for San Francisco to Portland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.