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Cheap flights from San Francisco to Portland from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Portland departing on 3/24. 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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Find the cheapest flights from San Francisco to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:47 am - 11:06 pm
SFO
-
PWM
8h 19m
1 stop
Delta Logo
4:48 pm - 10:36 pm
PWM
-
SFO
8h 48m
1 stop
$257Delta
Wed, Mar 4 - Wed, Mar 11
Delta Logo
11:47 am - 11:06 pm
SFO
-
PWM
8h 19m
1 stop
Delta Logo
5:23 am - 7:07 pm
PWM
-
SFO
16h 44m
2 stops
$262Delta
Wed, Mar 4 - Wed, Mar 11
Delta Logo
10:40 pm - 11:04 am
SFO
-
PWM
9h 24m
2 stops
Delta Logo
11:45 am - 8:33 pm
PWM
-
SFO
11h 48m
2 stops
$267Delta
Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
11:49 pm - 12:14 pm
SFO
-
PWM
9h 25m
1 stop
American Airlines Logo
5:57 pm - 11:44 pm
PWM
-
SFO
8h 47m
1 stop
$280American Airlines
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
11:49 pm - 12:14 pm
SFO
-
PWM
9h 25m
1 stop
American Airlines Logo
5:40 pm - 11:44 pm
PWM
-
SFO
9h 04m
1 stop
$281American Airlines
Mon, Mar 23 - Tue, Mar 31
American Airlines Logo
11:29 pm - 12:14 pm
SFO
-
PWM
9h 45m
2 stops
American Airlines Logo
5:57 pm - 11:44 pm
PWM
-
SFO
8h 47m
1 stop
$285American Airlines
Tue, Mar 31 - Sat, Apr 4
Delta Logo
6:28 pm - 12:09 pm
SFO
-
PWM
14h 41m
2 stops
Delta Logo
12:51 pm - 7:07 pm
PWM
-
SFO
9h 16m
1 stop
$292Delta
Mon, Mar 30 - Wed, Apr 1
Delta Logo
10:40 pm - 1:50 pm
SFO
-
PWM
12h 10m
2 stops
Delta Logo
11:45 am - 8:33 pm
PWM
-
SFO
11h 48m
2 stops
$297Delta
Mon, Mar 9 - Wed, Mar 18
Delta Logo
12:06 pm - 11:22 pm
SFO
-
PWM
8h 16m
1 stop
Delta Logo
4:48 pm - 10:36 pm
PWM
-
SFO
8h 48m
1 stop
$308Delta
Tue, Mar 10 - Tue, Mar 17
Delta Logo
10:40 pm - 11:04 am
SFO
-
PWM
9h 24m
2 stops
Delta Logo
12:51 pm - 7:07 pm
PWM
-
SFO
9h 16m
1 stop
$313Delta
Wed, Mar 11 - Wed, Mar 18

Delta flights from San Francisco to Portland, Maine

Our best Delta deals on San Francisco to Portland, Maine flight tickets
Delta
Mar 4
SFO11:47 amSan Francisco
8h 19m
1 stop
PWM11:06 pmPortland
Mar 11
PWM4:48 pmPortland
8h 48m
1 stop
SFO10:36 pmSan Francisco
$257
Delta
Mar 4
SFO11:47 amSan Francisco
8h 19m
1 stop
PWM11:06 pmPortland
Mar 11
PWM5:23 amPortland
16h 44m
2 stops
SFO7:07 pmSan Francisco
$262
Delta
Mar 10
SFO10:40 pmSan Francisco
9h 24m
2 stops
PWM11:04 amPortland
Mar 18
PWM11:45 amPortland
11h 48m
2 stops
SFO8:33 pmSan Francisco
$267

American Airlines flights from San Francisco to Portland, Maine

Our best American Airlines deals on San Francisco to Portland, Maine flight tickets
American Airlines
Mar 31
SFO11:49 pmSan Francisco
9h 25m
1 stop
PWM12:14 pmPortland
Apr 4
PWM5:57 pmPortland
8h 47m
1 stop
SFO11:44 pmSan Francisco
$280
American Airlines
Mar 23
SFO11:49 pmSan Francisco
9h 25m
1 stop
PWM12:14 pmPortland
Mar 31
PWM5:40 pmPortland
9h 04m
1 stop
SFO11:44 pmSan Francisco
$281
American Airlines
Mar 31
SFO11:29 pmSan Francisco
9h 45m
2 stops
PWM12:14 pmPortland
Apr 4
PWM5:57 pmPortland
8h 47m
1 stop
SFO11:44 pmSan Francisco
$285

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Portland, Maine 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 February 12, 2026.
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

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 3/4

11:47 am-11:06 pm

1 stop8h 19m

Portland

Wed 3/11

4:48 pm-10:36 pm

1 stop8h 48m

$257

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 3/4

11:47 am-11:06 pm

1 stop8h 19m

Portland

Wed 3/11

5:23 am-7:07 pm

2 stops16h 44m

$262

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Tue 3/10

10:40 pm-11:04 am

2 stops9h 24m

Portland

Wed 3/18

11:45 am-8:33 pm

2 stops11h 48m

$267

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Tue 3/31

11:49 pm-12:14 pm

1 stop9h 25m

Portland

Sat 4/4

5:57 pm-11:44 pm

1 stop8h 47m

$280

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Mon 3/23

11:49 pm-12:14 pm

1 stop9h 25m

Portland

Tue 3/31

5:40 pm-11:44 pm

1 stop9h 04m

$281

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Tue 3/31

11:29 pm-12:14 pm

2 stops9h 45m

Portland

Sat 4/4

5:57 pm-11:44 pm

1 stop8h 47m

$285

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Mon 3/30

6:28 pm-12:09 pm

2 stops14h 41m

Portland

Wed 4/1

12:51 pm-7:07 pm

1 stop9h 16m

$292

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Mon 3/9

10:40 pm-1:50 pm

2 stops12h 10m

Portland

Wed 3/18

11:45 am-8:33 pm

2 stops11h 48m

$297

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Tue 3/10

12:06 pm-11:22 pm

1 stop8h 16m

Portland

Tue 3/17

4:48 pm-10:36 pm

1 stop8h 48m

$308

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 3/11

10:40 pm-11:04 am

2 stops9h 24m

Portland

Wed 3/18

12:51 pm-7:07 pm

1 stop9h 16m

$313

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 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 $334, 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 September is also cheap. Prices for this month can be found on momondo for an average of $363.

How far in advance should I book a flight 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 $501 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 $343 on momondo.

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

As of February 2026, prices for San Francisco to Portland, Maine flights are approximately 112% 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

Fastest flight time

7h 16m

Direct flights

Sun

Airports in Portland, Maine

1 airport
The fastest flight from San Francisco to Portland, Maine takes 7h 16m
Direct flights go from San Francisco to Portland, Maine on Sunday. There are no airlines offering direct flights.
There is 1 airport in Portland, Maine. From San Francisco there are direct flights to Portland (PWM).
Search flight deals

  • How far is San Francisco to Portland by plane?

    The distance between San Francisco and Portland is about 2713.8 mi. By plane, this route typically takes 7h 16m.

  • 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 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
JetBluePriceFrom $190Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
SouthwestPriceFrom $190Free CancellationRating
8.0
4,283 reviews
Search Southwest flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,277 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,191 reviews
Search Delta flights
United AirlinesPriceFrom $310Free CancellationRating
7.4
9,286 reviews
Search United Airlines flights

Traveling to a place near Portland?

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