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Cheap flights from San Francisco to Portland from $135

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:05 am - 12:21 amSFO  San Francisco-PWM Portland
14h 16m2 stops Los Angeles New York John F Kennedy Intl
Delta Logo
4:53 pm - 11:20 pmPWM  Portland-SFO San Francisco
9h 27m1 stop Detroit Metropolitan Wayne County
$274Delta
Thu, Dec 3 - Mon, Dec 7
Delta Logo
7:05 am - 11:31 pmSFO  San Francisco-PWM Portland
13h 26m2 stops Los Angeles Atlanta Hartsfield-Jackson
Delta Logo
12:45 pm - 11:21 pmPWM  Portland-SFO San Francisco
13h 36m2 stops Detroit Metropolitan Wayne County Los Angeles
$280Delta
Thu, Nov 12 - Thu, Nov 19
United Airlines Logo
11:20 pm - 10:07 amSFO  San Francisco-PWM Portland
7h 47m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:35 pm - 1:29 amPWM  Portland-SFO San Francisco
8h 54m1 stop Washington, D.C. Dulles Intl
$326United Airlines
Fri, Nov 13 - Mon, Nov 16
United Airlines Logo
12:55 am - 2:16 pmSFO  San Francisco-PWM Portland
10h 21m1 stop Chicago O'Hare Intl
United Airlines Logo
5:30 am - 11:22 amPWM  Portland-SFO San Francisco
8h 52m1 stop Washington, D.C. Dulles Intl
$365United Airlines
Wed, Nov 18 - Thu, Nov 26
American Airlines Logo
9:54 am - 10:49 pmSFO  San Francisco-PWM Portland
9h 55m1 stop Philadelphia
American Airlines Logo
12:15 pm - 6:15 pmPWM  Portland-SFO San Francisco
9h 00m1 stop Chicago O'Hare Intl
$397American Airlines
Wed, Feb 24 - Wed, Mar 3
American Airlines Logo
9:54 am - 10:49 pmSFO  San Francisco-PWM Portland
9h 55m1 stop Philadelphia
American Airlines Logo
11:01 am - 7:30 pmPWM  Portland-SFO San Francisco
11h 29m1 stop Philadelphia
$415American Airlines
Wed, Mar 24 - Thu, Apr 1
Southwest Logo
9:25 pm - 10:30 amSFO  San Francisco-PWM Portland
10h 05m1 stop Baltimore/Washington
Southwest Logo
5:20 am - 1:45 pmPWM  Portland-SFO San Francisco
11h 25m1 stop Baltimore/Washington
$428Southwest
Thu, Nov 12 - Sun, Nov 22
Southwest Logo
11:55 pm - 2:50 pmSFO  San Francisco-PWM Portland
11h 55m2 stops Chicago Midway Baltimore/Washington
Southwest Logo
12:55 pm - 8:35 pmPWM  Portland-SFO San Francisco
10h 40m2 stops Baltimore/Washington Phoenix Sky Harbor Intl
$429Southwest
Thu, Jan 7 - Sun, Jan 17
Breeze Airways Logo
12:46 pm - 4:55 pmSFO  San Francisco-PWM Portland
25h 09m2 stops Cincinnati Cinci./N. Kentucky Charleston
Breeze Airways Logo
5:35 pm - 12:01 pmPWM  Portland-SFO San Francisco
21h 26m2 stops Charleston Cincinnati Cinci./N. Kentucky
$834Breeze Airways
Thu, Nov 12 - Mon, Nov 16
Breeze Airways Logo
12:46 pm - 4:55 pmSFO  San Francisco-PWM Portland
25h 09m2 stops Cincinnati Cinci./N. Kentucky Charleston
Breeze Airways Logo
5:35 pm - 12:01 pmPWM  Portland-SFO San Francisco
21h 26m2 stops Charleston Cincinnati Cinci./N. Kentucky
$874Breeze Airways
Sun, Nov 8 - Mon, Nov 16

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Southwest flights from San Francisco to Portland, Maine

Our best Southwest deals on San Francisco to Portland, Maine flight tickets
Southwest
Jan 7
SFO11:55 pmSan Francisco
11h 55m
2 stops
PWM2:50 pmPortland
Jan 17
PWM12:55 pmPortland
10h 40m
2 stops
SFO8:35 pmSan Francisco
$429
Southwest
Nov 10
SFO9:25 pmSan Francisco
9h 25m
1 stop
PWM9:50 amPortland
Nov 17
PWM12:45 pmPortland
12h 30m
2 stops
SFO10:15 pmSan Francisco
$463
Southwest
Nov 10
SFO11:35 pmSan Francisco
12h 10m
2 stops
PWM2:45 pmPortland
Nov 17
PWM5:15 amPortland
10h 30m
2 stops
SFO12:45 pmSan Francisco
$468

United Airlines flights from San Francisco to Portland, Maine

Our best United Airlines deals on San Francisco to Portland, Maine flight tickets
United Airlines
Nov 13
SFO11:20 pmSan Francisco
7h 47m
1 stop
PWM10:07 amPortland
Nov 16
PWM7:35 pmPortland
8h 54m
1 stop
SFO1:29 amSan Francisco
$326
United Airlines
Nov 18
SFO12:55 amSan Francisco
10h 21m
1 stop
PWM2:16 pmPortland
Nov 26
PWM5:30 amPortland
8h 52m
1 stop
SFO11:22 amSan Francisco
$365
United Airlines
Nov 22
SFO10:55 pmSan Francisco
8h 12m
1 stop
PWM10:07 amPortland
Nov 23
PWM3:41 pmPortland
10h 11m
1 stop
SFO10:52 pmSan Francisco
$382

momondo Fare Finder

 
Use the filters below to find and compare flights from San Francisco to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Thu 12/3

7:05 am-12:21 am

2 stops14h 16m

Portland

Mon 12/7

4:53 pm-11:20 pm

1 stop9h 27m

$274

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Thu 11/12

7:05 am-11:31 pm

2 stops13h 26m

Portland

Thu 11/19

12:45 pm-11:21 pm

2 stops13h 36m

$280
Quickest round-trip

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Fri 11/13

11:20 pm-10:07 am

1 stop7h 47m

Portland

Mon 11/16

7:35 pm-1:29 am

1 stop8h 54m

$326

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Wed 11/18

12:55 am-2:16 pm

1 stop10h 21m

Portland

Thu 11/26

5:30 am-11:22 am

1 stop8h 52m

$365

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Wed 2/24

9:54 am-10:49 pm

1 stop9h 55m

Portland

Wed 3/3

12:15 pm-6:15 pm

1 stop9h 00m

$397

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Wed 3/24

9:54 am-10:49 pm

1 stop9h 55m

Portland

Thu 4/1

11:01 am-7:30 pm

1 stop11h 29m

$415

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Thu 11/12

9:25 pm-10:30 am

1 stop10h 05m

Portland

Sun 11/22

5:20 am-1:45 pm

1 stop11h 25m

$428

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Thu 1/7

11:55 pm-2:50 pm

2 stops11h 55m

Portland

Sun 1/17

12:55 pm-8:35 pm

2 stops10h 40m

$429

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Thu 11/12

12:46 pm-4:55 pm

2 stops25h 09m

Portland

Mon 11/16

5:35 pm-12:01 pm

2 stops21h 26m

$834

San FranciscoPortland

SFO San Francisco - PWM Portland

SFOPWM

San Francisco

Sun 11/8

12:46 pm-4:55 pm

2 stops25h 09m

Portland

Mon 11/16

5:35 pm-12:01 pm

2 stops21h 26m

$874

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 Portland from

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

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 typical price of a round-trip flight between San Francisco and Portland, Maine?

Prices are currently low for flights on this route.

Typical prices usually range from $394 to $771.
The lowest price recently found on this route was $274.

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from San Francisco is in January. Flight prices, which tend to average around $343, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $387.

What is the cheapest San Francisco to Portland flight route?

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

How far in advance should I book a flight from San Francisco to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $530 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from San Francisco for as low as $451 on momondo.

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

There are 3 cabin classes available to choose from on San Francisco to Portland, Maine 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 San Francisco to Portland, Maine flights?

You could potentially save up to 2% on your flight if you consider stops on a San Francisco to Portland, Maine flight.

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

As of October 2026, prices for San Francisco to Portland, Maine flights are approximately 68% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Portland, Maine

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

Cheap San Francisco to Portland, Maine (SFO to PWM) flight deals and tips

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

Best Price Found

$135

Fastest flight time

7h 54m

Direct flights

None
The best one-way flight to Portland, Maine from San Francisco in the past 72 hours is $135. The best round-trip flight deal from San Francisco to Portland, Maine found on momondo in the last 72 hours is $274.
The fastest flight from San Francisco to Portland, Maine takes 7h 54m
There are no direct flights from San Francisco to Portland, Maine. There are no popular flight routes from San Francisco to Portland, Maine.
Search flight deals

Frequently asked questions about flying from San Francisco to Portland, Maine

  • How far is San Francisco to Portland by plane?

    The distance between San Francisco and Portland is about 2713.5 mi. By plane, this route typically takes 7h 54m.

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

    Prices for flights from San Francisco Airport to Portland Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Portland Airport.

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

    The travel and health documents required for your trip to Portland 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 Portland 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 San Francisco to Portland, Maine?

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

Best airlines flying from San Francisco to Portland, Maine

Compare and see reviews for airlines that fly from San Francisco to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $256Free CancellationRating
7.8
8,680 reviews
Search Delta flights
American AirlinesPriceFrom $290Free CancellationRating
7.0
12,187 reviews
Search American Airlines flights
JetBluePriceFrom $292Free CancellationRating
7.1
3,066 reviews
Search JetBlue flights
United AirlinesPriceFrom $331Free CancellationRating
7.3
10,442 reviews
Search United Airlines flights
SouthwestPriceFrom $392Free CancellationRating
7.9
4,219 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Jackson
Boothbay Harbor
Brunswick
Lewiston
Freeport
Conway
Gorham
Auburn
Bartlett
Bath
Windham
Intervale
Georgetown
Oxford
Falmouth
Tamworth

Why use momondo?

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

It is quick and easy to find San Francisco to Portland 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 Portland that suits you.

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

Flights from San Francisco to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for San Francisco to Portland 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 San Francisco to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland, Maine 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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