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Cheap flights from San Francisco to Portland from £58

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PDX
15 May — 22 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Portland are usually found in September or January, booked 72 days in advance, depart on a Friday or Tuesday and return on a Friday

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 15 April 2026.

Tue 26/505:55
SFO
-
PDX
1 stop4h 45m
Delta
Wed 27/511:20
PDX
-
SFO
1 stop5h 37m
Delta
Deal found 13/4£116
Wed 6/511:25
SFO
-
PDX
2 stops7h 50m
Southwest
Tue 12/506:30
PDX
-
SFO
1 stop5h 30m
Southwest
Deal found 14/4£120
Wed 19/805:50
SFO
-
PDX
2 stops8h 15m
Southwest
Wed 26/806:55
PDX
-
SFO
2 stops7h 10m
Southwest
Deal found 11/4£123
Sat 9/507:40
SFO
-
PDX
Nonstop1h 50m
Alaska Airlines
Sat 9/510:51
PDX
-
SFO
Nonstop1h 58m
Alaska Airlines
Deal found 14/4£127
Tue 12/513:45
SFO
-
PDX
2 stops8h 40m
Southwest
Tue 19/507:40
PDX
-
SFO
2 stops12h 25m
Southwest
Deal found 14/4£128
Tue 26/505:55
SFO
-
PDX
1 stop5h 44m
Delta
Thu 28/517:51
PDX
-
SFO
1 stop6h 14m
Delta
Deal found 13/4£131
Tue 5/513:45
SFO
-
PDX
2 stops9h 15m
Southwest
Sat 9/509:35
PDX
-
SFO
1 stop7h 40m
Southwest
Deal found 13/4£134
Tue 26/507:40
SFO
-
PDX
Nonstop1h 49m
Alaska Airlines
Fri 5/607:00
PDX
-
SFO
Nonstop2h 01m
Alaska Airlines
Deal found 12/4£138
Wed 6/507:15
SFO
-
PDX
1 stop6h 35m
Alaska Airlines
Wed 6/514:50
PDX
-
SFO
Nonstop1h 56m
Alaska Airlines
Deal found 14/4£139
Sat 23/515:00
SFO
-
PDX
Nonstop1h 50m
Alaska Airlines
Thu 4/607:00
PDX
-
SFO
Nonstop2h 01m
Alaska Airlines
Deal found 12/4£142
Wed 6/513:45
SFO
-
PDX
2 stops9h 15m
Southwest
Thu 7/508:35
PDX
-
SFO
2 stops13h 35m
Southwest
Deal found 14/4£142
Tue 26/507:40
SFO
-
PDX
Nonstop1h 49m
Alaska Airlines
Wed 3/614:45
PDX
-
SFO
1 stop6h 46m
Alaska Airlines
Deal found 15/4£143

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 15 April 2026.

Round-trip from

£116

One-way from

£58

Popular in

March

Cheapest in

September

Average price

£187
Delta
  • Delta
  • 26/5-27/5
  • 2 total stops
  • 10h 22m total
  • San Francisco to Portland
Search Deals
Delta
  • Delta
  • 27/5
  • 1 total stop
  • 4h 45m total
  • San Francisco to Portland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£10 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 April 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 15 April 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

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Sat 30/5

07:40-09:29

Nonstop1h 49m

Portland

Tue 2/6

07:00-09:01

Nonstop2h 01m

£116

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Sat 2/5

11:05-17:45

1 stop6h 40m

Portland

Mon 4/5

13:10-22:10

2 stops9h 00m

£149

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Sat 20/6

17:55-23:55

1 stop6h 00m

Portland

Wed 1/7

17:55-23:15

1 stop5h 20m

£156

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Mon 11/5

08:05-16:20

2 stops8h 15m

Portland

Sat 16/5

07:10-17:25

2 stops10h 15m

£157

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 6/5

14:53-20:48

1 stop5h 55m

Portland

Sat 9/5

17:51-19:49

Nonstop1h 58m

£158

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Fri 1/5

15:00-22:10

2 stops7h 10m

Portland

Tue 5/5

07:40-14:15

2 stops6h 35m

£168

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Fri 29/5

05:55-11:39

1 stop5h 44m

Portland

Fri 5/6

12:20-16:57

1 stop4h 37m

£175

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 29/4

11:52-13:47

Nonstop1h 55m

Portland

Wed 13/5

07:00-09:01

Nonstop2h 01m

£180

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Thu 7/5

10:10-20:20

2 stops10h 10m

Portland

Mon 11/5

17:00-23:45

1 stop6h 45m

£183

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Fri 15/5

05:55-10:40

1 stop4h 45m

Portland

Sun 17/5

05:30-09:34

1 stop4h 04m

£190

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 24 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?

Use this chart to determine the optimal time to book a return flight from San Francisco to Portland. Price data was last updated on 10 April 2026.

The best time to book flights from San Francisco to Portland is 72 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, May is the cheapest month in which you can book a flight from San Francisco to Portland (average of £57). Flying from San Francisco to Portland in April is currently the most expensive (average of £101). 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 15 April 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?

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 15 April 2026.
Get a feel of what it's like to fly with Frontier from San Francisco to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Frontier
5.7
Fair
2,989 reviews
Check prices

Crew

6.6

Boarding

5.9

Comfort

5.4

Entertainment

4.3

Food

4.5

Overall

5.7

Reviews

1 / 20
2.0
Mediocre

Prodipto,Mar 2026

PHL - BNA

Delay at the beginning in Philly and then huge delay just sitting on the tarmac after landing, for one hour in Nashville
Frontier
5.7
Fair
2,989 reviews
Frontier
5.7
Fair
2,989 reviews
Check prices

Crew

6.6

Boarding

5.9

Comfort

5.4

Entertainment

4.3

Food

4.5

Overall

5.7

Reviews

1 / 20
2.0
Mediocre

Prodipto,Mar 2026

PHL - BNA

Delay at the beginning in Philly and then huge delay just sitting on the tarmac after landing, for one hour in Nashville

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.

  • What airports do I use to fly from San Francisco to Portland?

    Portland is the airport most travelers will use when flying to Portland from San Francisco. Booking flights from San Francisco (SFO) to Portland (PDX) should be relatively easy as there are 50 daily flights to Portland from 1 airline. 1h 58m is how long a flight from San Francisco to Portland will take if you book a nonstop flight.

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

    Within the past month, 6 users have taken a look at flights from San Francisco to Portland.

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

    Delta, Southwest, and Alaska Airlines can get you from San Francisco to Portland in just under 1h 50m. Your travel time can differ by up to 6h. 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 is the cheapest airline to fly from San Francisco to Portland round-trip?

    Cheapflights users have booked flights from San Francisco to Portland round-trip from £105. You may be able to fly from San Francisco to Portland for 46% less than the average price by searching for this airline.

  • 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: Iberia (100%), Icelandair (93%), Qantas Airways( 92%).

  • 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, May is the cheapest month in which you can book a flight from San Francisco to Portland (average of £57). Flying from San Francisco to Portland in April is currently the most expensive (average of £101). 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

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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

Top airline flying from San Francisco to Portland

Discover the top airline that operate flights from San Francisco to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 April 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£105Average£116FlexibilityNo cancel feeOn-time62%
Search Frontier 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.

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