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Cheap flights from Portland to San Francisco from £55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to San Francisco departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

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Delta Logo
07:10 - 13:38PDX-SFO
6h 28m1 stop
Delta Logo
06:00 - 10:07SFO-PDX
4h 07m1 stop
£109Delta
Find Deal
gio, 8 gen - lun, 12 gen
Alaska Airlines Logo
07:04 - 08:59PDX-SFO
1h 55mdirect
Alaska Airlines Logo
08:00 - 09:50SFO-PDX
1h 50mdirect
£112Alaska Airlines
Find Deal
sab, 13 dic - mer, 17 dic
United Airlines Logo
07:45 - 09:42PDX-SFO
1h 57mdirect
United Airlines Logo
10:48 - 12:41SFO-PDX
1h 53mdirect
£115United Airlines
Find Deal
ven, 9 gen - mar, 13 gen
Southwest Logo
11:30 - 18:05PDX-SFO
6h 35m1 stop
Southwest Logo
09:15 - 16:40SFO-PDX
7h 25m1 stop
£116Southwest
Find Deal
mar, 27 gen - sab, 31 gen
United Airlines Logo
10:10 - 12:09PDX-SFO
1h 59mdirect
United Airlines Logo
22:45 - 00:37SFO-PDX
1h 52mdirect
£119United Airlines
Find Deal
mar, 9 dic - gio, 11 dic
Southwest Logo
11:05 - 17:05PDX-SFO
6h 00m1 stop
Southwest Logo
11:30 - 19:55SFO-PDX
8h 25m2 stops
£119Southwest
Find Deal
gio, 8 gen - lun, 12 gen
Alaska Airlines Logo
14:30 - 16:22PDX-SFO
1h 52mdirect
Alaska Airlines Logo
07:00 - 12:38SFO-PDX
5h 38m1 stop
£120Alaska Airlines
Find Deal
mar, 27 gen - sab, 31 gen
Alaska Airlines Logo
16:32 - 18:27PDX-SFO
1h 55mdirect
Alaska Airlines Logo
14:59 - 16:50SFO-PDX
1h 51mdirect
£122Alaska Airlines
Find Deal
lun, 15 dic - mer, 17 dic
Southwest Logo
06:20 - 14:20PDX-SFO
8h 00m2 stops
Southwest Logo
14:10 - 21:20SFO-PDX
7h 10m2 stops
£123Southwest
Find Deal
gio, 8 gen - lun, 12 gen
Alaska Airlines Logo
07:04 - 08:59PDX-SFO
1h 55mdirect
Alaska Airlines Logo
08:00 - 09:50SFO-PDX
1h 50mdirect
£124Alaska Airlines
Find Deal
dom, 14 dic - mer, 17 dic

Delta flights from Portland to San Francisco

Our best Delta deals on Portland to San Francisco flight tickets
Delta
8 Jan
PDX07:10Portland
6h 28m
1 stop
SFO13:38San Francisco
12 Jan
SFO06:00San Francisco
4h 07m
1 stop
PDX10:07Portland
£109
Find similar
Delta
12 Dec
PDX05:30Portland
4h 03m
1 stop
SFO09:33San Francisco
14 Dec
SFO05:45San Francisco
5h 10m
1 stop
PDX10:55Portland
£126
Find similar
Delta
15 Dec
PDX05:30Portland
4h 03m
1 stop
SFO09:33San Francisco
16 Dec
SFO05:45San Francisco
5h 10m
1 stop
PDX10:55Portland
£128
Find similar

United Airlines flights from Portland to San Francisco

Our best United Airlines deals on Portland to San Francisco flight tickets
United Airlines
9 Jan
PDX07:45Portland
1h 57m
SFO09:42San Francisco
13 Jan
SFO10:48San Francisco
1h 53m
PDX12:41Portland
£115
Find similar
United Airlines
9 Dec
PDX10:10Portland
1h 59m
SFO12:09San Francisco
11 Dec
SFO22:45San Francisco
1h 52m
PDX00:37Portland
£119
Find similar
United Airlines
8 Dec
PDX15:55Portland
1h 51m
SFO17:46San Francisco
11 Dec
SFO12:55San Francisco
1h 52m
PDX14:47Portland
£125
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Portland to San Francisco 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, momondo users made 279,928 searches. Data last updated 21 novembre 2025.
Use the filters below to find and compare flights from Portland to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

gio 8/1

07:10-13:38

1 stop6h 28m

San Francisco

lun 12/1

06:00-10:07

1 stop4h 07m

£109

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

sab 13/12

07:04-08:59

Nonstop1h 55m

San Francisco

mer 17/12

08:00-09:50

Nonstop1h 50m

£112

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

ven 9/1

07:45-09:42

Nonstop1h 57m

San Francisco

mar 13/1

10:48-12:41

Nonstop1h 53m

£115

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

mar 27/1

11:30-18:05

1 stop6h 35m

San Francisco

sab 31/1

09:15-16:40

1 stop7h 25m

£116

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

mar 9/12

10:10-12:09

Nonstop1h 59m

San Francisco

gio 11/12

22:45-00:37

Nonstop1h 52m

£119

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

gio 8/1

11:05-17:05

1 stop6h 00m

San Francisco

lun 12/1

11:30-19:55

2 stops8h 25m

£119

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

mar 27/1

14:30-16:22

Nonstop1h 52m

San Francisco

sab 31/1

07:00-12:38

1 stop5h 38m

£120

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

lun 15/12

16:32-18:27

Nonstop1h 55m

San Francisco

mer 17/12

14:59-16:50

Nonstop1h 51m

£122

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

gio 8/1

06:20-14:20

2 stops8h 00m

San Francisco

lun 12/1

14:10-21:20

2 stops7h 10m

£123

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

dom 14/12

07:04-08:59

Nonstop1h 55m

San Francisco

mer 17/12

08:00-09:50

Nonstop1h 50m

£124

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Portland to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

The month of January is, on average, the cheapest month to fly to San Francisco from Portland, with most prices found around £67. If you are unable to visit San Francisco during the month of January, then departing from Portland during the month December is also very affordable. Most momondo users find prices during this month for around £128.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £32. This is often the case because there is less demand to fly during this day of the week. Flights from Portland to San Francisco on a Monday will generally be more expensive and average around £1,683. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Francisco?

Our most recent data shows that the best time of day to fly to San Francisco is at midday. Flights from Portland to San Francisco during this time can be as low as £96. Try not to purchase tickets in the evening because they tend to be around £1,683. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portland to San Francisco flight route?

Fly from Portland to San Francisco for the best Portland - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £159 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Portland for as low as £128 on momondo.

What cabin class options are available on Portland to San Francisco flights?

There are 2 cabin classes available to choose from on Portland to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to San Francisco flights?

You could potentially save up to 40% on your flight if you consider stops on a Portland to San Francisco flight.

How have Portland to San Francisco flight prices changed over time?

As of November 2025, prices for Portland to San Francisco flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Portland to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to San Francisco (PDX to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to San Francisco

Best price found

£208

Fastest flight time

1h 50m

Direct flights

Every day

Airports in San Francisco

1 airport
The best flight deal from Portland to San Francisco found on momondo in the last 72 hours is £208
The fastest flight from Portland to San Francisco takes 1h 50m
Direct flights go from Portland to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • How far is Portland to San Francisco by plane?

    The straight-line distance from Portland to San Francisco is 534.1 mi. By plane, this route typically takes 1h 50m.

  • When did momondo last update prices for flights from Portland Airport to San Francisco Airport?

    Prices for flights from Portland Airport to San Francisco Airport were last updated today.

  • How many operators does momondo search for flights from Portland Airport to San Francisco Airport?

  • How old do you have to be to fly from Portland Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to San Francisco?

  • What is the most popular airline from Portland to San Francisco?

Best airlines flying from Portland to San Francisco

Compare and see reviews for airlines that fly from Portland to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom £29Free CancellationRating
5.8
3,103 reviews
Search Frontier flights

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Carmel-by-the-Sea
Santa Clara
Seaside
Big Sur
Rohnert Park
Sunnyvale
San Ramon
South San Francisco
Capitola
Campbell
Palo Alto
Sausalito
San Bruno
Woodland
Santa Cruz
Redwood City
Burlingame
Modesto
Aptos
Fremont

Why use momondo?

Why should I use momondo to find a flight deal from Portland to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Portland.

Can I find flights from Portland to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from Portland with this policy.

How can momondo help me find flights from Portland to San Francisco?

Once all potential Portland to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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