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Cheap flights from Portland to San Francisco from $49

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 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to San Francisco

Cheap round-trip flights

Alaska Airlines Logo
10:30 am - 12:30 pmPDX-SFO
2h 00mnonstop
Alaska Airlines Logo
8:00 am - 9:47 amSFO-PDX
1h 47mnonstop
$81Alaska Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Frontier Logo
1:40 pm - 3:41 pmPDX-SFO
2h 01mnonstop
Frontier Logo
8:27 am - 10:15 amSFO-PDX
1h 48mnonstop
$89Frontier
Find Deal
Fri, Aug 15 - Mon, Aug 18
Hawaiian Airlines Logo
2:30 pm - 4:24 pmPDX-SFO
1h 54mnonstop
Hawaiian Airlines Logo
8:00 am - 9:47 amSFO-PDX
1h 47mnonstop
$90Hawaiian Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Alaska Airlines Logo
2:30 pm - 4:24 pmPDX-SFO
1h 54mnonstop
Alaska Airlines Logo
8:00 am - 9:47 amSFO-PDX
1h 47mnonstop
$91Alaska Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Hawaiian Airlines Logo
10:30 am - 12:30 pmPDX-SFO
2h 00mnonstop
Hawaiian Airlines Logo
11:44 am - 1:35 pmSFO-PDX
1h 51mnonstop
$92Hawaiian Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Hawaiian Airlines Logo
10:30 am - 12:30 pmPDX-SFO
2h 00mnonstop
Hawaiian Airlines Logo
8:00 am - 9:47 amSFO-PDX
1h 47mnonstop
$96Hawaiian Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
United Airlines Logo
1:45 pm - 3:35 pmPDX-SFO
1h 50mnonstop
United Airlines Logo
7:05 am - 8:51 amSFO-PDX
1h 46mnonstop
$97United Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
United Airlines Logo
7:35 pm - 9:25 pmPDX-SFO
1h 50mnonstop
United Airlines Logo
7:05 am - 8:51 amSFO-PDX
1h 46mnonstop
$113United Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Frontier Logo
1:40 pm - 3:41 pmPDX-SFO
2h 01mnonstop
Frontier Logo
8:27 am - 10:15 amSFO-PDX
1h 48mnonstop
$133Frontier
Find Deal
Fri, Aug 15 - Mon, Aug 18
American Airlines Logo
8:31 am - 3:00 pmPDX-SFO
6h 29m1 stop
American Airlines Logo
12:15 pm - 7:23 pmSFO-PDX
7h 08m1 stop
$173American Airlines
Find Deal
Wed, Sep 3 - Fri, Sep 5

Hawaiian Airlines flights from Portland to San Francisco

Our best Hawaiian Airlines deals on Portland to San Francisco flight tickets
Hawaiian Airlines
Sep 4
PDX2:30 pmPortland
1h 54m
SFO4:24 pmSan Francisco
Sep 8
SFO8:00 amSan Francisco
1h 47m
PDX9:47 amPortland
$90
Find similar
Hawaiian Airlines
Sep 17
PDX10:30 amPortland
2h 00m
SFO12:30 pmSan Francisco
Sep 24
SFO11:44 amSan Francisco
1h 51m
PDX1:35 pmPortland
$92
Find similar
Hawaiian Airlines
Sep 4
PDX10:30 amPortland
2h 00m
SFO12:30 pmSan Francisco
Sep 8
SFO8:00 amSan Francisco
1h 47m
PDX9:47 amPortland
$96
Find similar

Alaska Airlines flights from Portland to San Francisco

Our best Alaska Airlines deals on Portland to San Francisco flight tickets
Alaska Airlines
Sep 17
PDX10:30 amPortland
2h 00m
SFO12:30 pmSan Francisco
Sep 24
SFO8:00 amSan Francisco
1h 47m
PDX9:47 amPortland
$81
Find similar
Alaska Airlines
Sep 4
PDX2:30 pmPortland
1h 54m
SFO4:24 pmSan Francisco
Sep 8
SFO8:00 amSan Francisco
1h 47m
PDX9:47 amPortland
$91
Find similar
Alaska Airlines
Nov 25
PDX7:01 amPortland
1h 53m
SFO8:54 amSan Francisco
Dec 3
SFO8:00 amSan Francisco
1h 47m
PDX9:47 amPortland
$117
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 4, 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

Wed 9/17

10:30 am-12:30 pm

Nonstop2h 00m

San Francisco

Wed 9/24

8:00 am-9:47 am

Nonstop1h 47m

$81

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Fri 8/15

1:40 pm-3:41 pm

Nonstop2h 01m

San Francisco

Mon 8/18

8:27 am-10:15 am

Nonstop1h 48m

$89

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 9/4

2:30 pm-4:24 pm

Nonstop1h 54m

San Francisco

Mon 9/8

8:00 am-9:47 am

Nonstop1h 47m

$90

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 9/4

2:30 pm-4:24 pm

Nonstop1h 54m

San Francisco

Mon 9/8

8:00 am-9:47 am

Nonstop1h 47m

$91

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 9/17

10:30 am-12:30 pm

Nonstop2h 00m

San Francisco

Wed 9/24

11:44 am-1:35 pm

Nonstop1h 51m

$92

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 9/4

10:30 am-12:30 pm

Nonstop2h 00m

San Francisco

Mon 9/8

8:00 am-9:47 am

Nonstop1h 47m

$96

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 9/4

1:45 pm-3:35 pm

Nonstop1h 50m

San Francisco

Mon 9/8

7:05 am-8:51 am

Nonstop1h 46m

$97

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 9/15

7:35 pm-9:25 pm

Nonstop1h 50m

San Francisco

Mon 9/22

7:05 am-8:51 am

Nonstop1h 46m

$113

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Fri 8/15

1:40 pm-3:41 pm

Nonstop2h 01m

San Francisco

Mon 8/18

8:27 am-10:15 am

Nonstop1h 48m

$133

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 9/3

8:31 am-3:00 pm

1 stop6h 29m

San Francisco

Fri 9/5

12:15 pm-7:23 pm

1 stop7h 08m

$173

Flights are sorted by cheapest round-trip 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?

If you aren’t able to travel to San Francisco during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $157.

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

The cheapest day to depart from Portland to San Francisco is on a Friday when prices can be found for as low as $333. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $734.

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

Our data shows that the cheapest Portland to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $298. Flights in the morning are often more expensive with an average ticket price of $684.

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 $196 when searching weeks out. 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 $149 on momondo.

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

There are 4 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.

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

As of August 2025, prices for Portland to San Francisco flights are approximately 69% 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 round-trip 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

$49

Fastest flight time

1h 48m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Portland in the past 72 hours is $49. The best round-trip flight deal from Portland to San Francisco found on momondo in the last 72 hours is $81.
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?

    There are 534.1 mi between Portland and San Francisco. In terms of flight time, this usually takes a little over 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 $36Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $48Free CancellationRating
6.3
8,052 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $73Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,617 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $119Free CancellationRating
7.4
8,910 reviews
Search United Airlines flights
American AirlinesPriceFrom $133Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Portland to San Francisco

    Across 21 Alaska Airlines flights from Portland to San Francisco this week, the average price was $215, with the best Alaska Airlines deals starting from $73 round-trip. 10,000 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Hawaiian Airlines Flights From Portland to San Francisco

    Another popular option for Portland to San Francisco flights is Hawaiian Airlines (7.8/10, 2,619 ratings). Hawaiian Airlines flies from Portland to San Francisco around 33 times per week, with deals starting from $78 round-trip and rising to an average price of around $232.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Calistoga
Hayward
Sonoma
Bodega Bay
Roseville
Santa Clara
Big Sur
Daly City
Berkeley
Fremont
Walnut Creek
Half Moon Bay
South San Francisco
Vallejo
Redwood City
Sunnyvale
Pacific Grove

Why use momondo?

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

It is quick and easy to find Portland to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

Yes. momondo allows you to filter the results for Portland to San Francisco flights to just show those with flexible booking policies.

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

Once you have performed a search for Portland to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Portland to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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