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Cheap flights from Portland to San Francisco from £51

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 8/10. 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

United Airlines Logo
10:05 - 12:04PDX-SFO
1h 59mdirect
United Airlines Logo
22:35 - 00:26SFO-PDX
1h 51mdirect
£86United Airlines
Find Deal
mån, 10 nov - tors, 13 nov
United Airlines Logo
13:44 - 15:35PDX-SFO
1h 51mdirect
United Airlines Logo
22:40 - 00:28SFO-PDX
1h 48mdirect
£93United Airlines
Find Deal
tors, 9 okt - sön, 12 okt
Delta Logo
17:25 - 23:33PDX-SFO
6h 08m1 stop
Delta Logo
08:20 - 16:12SFO-PDX
7h 52m1 stop
£101Delta
Find Deal
tors, 16 okt - tis, 21 okt
Alaska Airlines Logo
10:30 - 12:23PDX-SFO
1h 53mdirect
Alaska Airlines Logo
15:01 - 16:54SFO-PDX
1h 53mdirect
£104Alaska Airlines
Find Deal
lör, 18 okt - lör, 18 okt
Alaska Airlines Logo
07:00 - 08:55PDX-SFO
1h 55mdirect
Alaska Airlines Logo
21:49 - 23:37SFO-PDX
1h 48mdirect
£108Alaska Airlines
Find Deal
sön, 16 nov - mån, 17 nov
Southwest Logo
08:00 - 14:40PDX-SFO
6h 40m1 stop
Southwest Logo
16:35 - 00:40SFO-PDX
8h 05m1 stop
£111Southwest
Find Deal
ons, 19 nov - lör, 22 nov
Hawaiian Airlines Logo
14:30 - 16:20PDX-SFO
1h 50mdirect
Hawaiian Airlines Logo
08:00 - 09:47SFO-PDX
1h 47mdirect
£112Hawaiian Airlines
Find Deal
lör, 11 okt - tors, 16 okt
Southwest Logo
19:40 - 00:15PDX-SFO
4h 35m1 stop
Southwest Logo
16:40 - 00:25SFO-PDX
7h 45m1 stop
£113Southwest
Find Deal
lör, 22 nov - ons, 26 nov
Hawaiian Airlines Logo
14:30 - 16:21PDX-SFO
1h 51mdirect
Hawaiian Airlines Logo
21:49 - 23:37SFO-PDX
1h 48mdirect
£116Hawaiian Airlines
Find Deal
fre, 24 okt - mån, 27 okt
Delta Logo
13:12 - 17:54PDX-SFO
4h 42m1 stop
Delta Logo
05:55 - 11:46SFO-PDX
5h 51m1 stop
£127Delta
Find Deal
lör, 15 nov - tors, 20 nov

Delta flights from Portland to San Francisco

Our best Delta deals on Portland to San Francisco flight tickets
Delta
16 Oct
PDX17:25Portland
6h 08m
1 stop
SFO23:33San Francisco
21 Oct
SFO08:20San Francisco
7h 52m
1 stop
PDX16:12Portland
£101
Find similar
Delta
15 Nov
PDX13:12Portland
4h 42m
1 stop
SFO17:54San Francisco
20 Nov
SFO05:55San Francisco
5h 51m
1 stop
PDX11:46Portland
£127
Find similar
Delta
16 Nov
PDX17:26Portland
4h 59m
1 stop
SFO22:25San Francisco
20 Nov
SFO05:55San Francisco
5h 51m
1 stop
PDX11:46Portland
£141
Find similar

Alaska Airlines flights from Portland to San Francisco

Our best Alaska Airlines deals on Portland to San Francisco flight tickets
Alaska Airlines
18 Oct
PDX10:30Portland
1h 53m
SFO12:23San Francisco
18 Oct
SFO15:01San Francisco
1h 53m
PDX16:54Portland
£104
Find similar
Alaska Airlines
16 Nov
PDX07:00Portland
1h 55m
SFO08:55San Francisco
17 Nov
SFO21:49San Francisco
1h 48m
PDX23:37Portland
£108
Find similar
Alaska Airlines
15 Oct
PDX07:00Portland
1h 48m
SFO08:48San Francisco
20 Oct
SFO08:00San Francisco
22h 20m
1 stop
PDX06:20Portland
£117
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 16 september 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

mån 10/11

10:05-12:04

Nonstop1h 59m

San Francisco

tors 13/11

22:35-00:26

Nonstop1h 51m

£86

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

tors 9/10

13:44-15:35

Nonstop1h 51m

San Francisco

sön 12/10

22:40-00:28

Nonstop1h 48m

£93

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

tors 16/10

17:25-23:33

1 stop6h 08m

San Francisco

tis 21/10

08:20-16:12

1 stop7h 52m

£101

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

lör 18/10

10:30-12:23

Nonstop1h 53m

San Francisco

lör 18/10

15:01-16:54

Nonstop1h 53m

£104

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

sön 16/11

07:00-08:55

Nonstop1h 55m

San Francisco

mån 17/11

21:49-23:37

Nonstop1h 48m

£108

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

ons 19/11

08:00-14:40

1 stop6h 40m

San Francisco

lör 22/11

16:35-00:40

1 stop8h 05m

£111

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

lör 11/10

14:30-16:20

Nonstop1h 50m

San Francisco

tors 16/10

08:00-09:47

Nonstop1h 47m

£112

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

lör 22/11

19:40-00:15

1 stop4h 35m

San Francisco

ons 26/11

16:40-00:25

1 stop7h 45m

£113

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

fre 24/10

14:30-16:21

Nonstop1h 51m

San Francisco

mån 27/10

21:49-23:37

Nonstop1h 48m

£116

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

lör 15/11

13:12-17:54

1 stop4h 42m

San Francisco

tors 20/11

05:55-11:46

1 stop5h 51m

£127

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 £115.

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 £31. 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 Wednesday will generally be more expensive and average around £949. 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 £92. Try not to purchase tickets in the afternoon because they tend to be around £211. 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 £148 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 £117 on momondo.

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

There are 3 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 48% 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 September 2025, prices for Portland to San Francisco flights are approximately 20% 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

Fastest flight time

1h 48m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from Portland to San Francisco takes 1h 48m
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 48m.

  • 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 £28Free CancellationRating
5.8
3,172 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
Vacaville
Salinas
Rohnert Park
Campbell
Sunnyvale
San Ramon
South San Francisco
Capitola
Palo Alto
Millbrae
San Bruno
Sausalito
Santa Cruz
Woodland
Redwood City
Burlingame
Modesto

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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