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Cheap flights from San Francisco Bay Area to Boston 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 Bay Area to Boston 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.
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0 bags

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Find the cheapest flights from San Francisco Bay Area to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:50 am - 3:57 pm
SFO
-
PWM
7h 07m
1 stop
Delta Logo
4:43 pm - 10:26 pm
PWM
-
SFO
8h 43m
1 stop
$257Delta
Wed, Apr 15 - Wed, Apr 22
Delta Logo
6:20 am - 11:24 pm
SFO
-
PWM
14h 04m
2 stops
Delta Logo
4:43 pm - 10:26 pm
PWM
-
SFO
8h 43m
1 stop
$262Delta
Wed, Apr 15 - Wed, Apr 22
Delta Logo
11:58 pm - 1:10 pm
SFO
-
PWM
10h 12m
1 stop
Delta Logo
12:55 pm - 10:49 pm
PWM
-
SFO
12h 54m
2 stops
$293Delta
Sat, May 9 - Tue, May 12
Delta Logo
6:20 am - 11:24 pm
SFO
-
PWM
14h 04m
2 stops
Delta Logo
11:42 am - 10:26 pm
PWM
-
SFO
13h 44m
2 stops
$298Delta
Wed, Apr 15 - Wed, Apr 22
Southwest Logo
11:25 pm - 2:10 pm
SFO
-
PWM
11h 45m
2 stops
Southwest Logo
4:50 pm - 11:20 pm
PWM
-
SFO
9h 30m
1 stop
$303Southwest
Wed, Apr 8 - Mon, Apr 13
United Airlines Logo
10:55 pm - 10:23 am
SFO
-
PWM
8h 28m
1 stop
United Airlines Logo
5:30 am - 11:25 am
PWM
-
SFO
8h 55m
1 stop
$309United Airlines
Sat, May 9 - Tue, May 12
American Airlines Logo
10:35 pm - 10:23 am
SFO
-
PWM
8h 48m
1 stop
American Airlines Logo
1:18 pm - 9:04 pm
PWM
-
SFO
10h 46m
1 stop
$316American Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
12:59 am - 3:09 pm
SFO
-
PWM
11h 10m
2 stops
American Airlines Logo
1:18 pm - 9:04 pm
PWM
-
SFO
10h 46m
1 stop
$321American Airlines
Mon, Apr 20 - Tue, Apr 28
United Airlines Logo
10:55 pm - 1:57 pm
SJC
-
PWM
12h 02m
2 stops
United Airlines Logo
4:28 pm - 10:41 pm
PWM
-
SJC
9h 13m
1 stop
$412United Airlines
Tue, Mar 24 - Tue, Apr 7
Southwest Logo
9:50 pm - 11:55 am
SJC
-
PWM
11h 05m
1 stop
Southwest Logo
1:00 pm - 8:30 pm
PWM
-
SJC
10h 30m
1 stop
$414Southwest
Tue, Mar 24 - Tue, Apr 7

Delta flights from San Francisco Bay Area to Portland, Maine

Our best Delta deals on San Francisco Bay Area to Portland, Maine flight tickets
Delta
Apr 15
SFO5:50 amSan Francisco
7h 07m
1 stop
PWM3:57 pmPortland
Apr 22
PWM4:43 pmPortland
8h 43m
1 stop
SFO10:26 pmSan Francisco
$257
Delta
Apr 15
SFO6:20 amSan Francisco
14h 04m
2 stops
PWM11:24 pmPortland
Apr 22
PWM4:43 pmPortland
8h 43m
1 stop
SFO10:26 pmSan Francisco
$262
Delta
May 9
SFO11:58 pmSan Francisco
10h 12m
1 stop
PWM1:10 pmPortland
May 12
PWM12:55 pmPortland
12h 54m
2 stops
SFO10:49 pmSan Francisco
$293

United Airlines flights from San Francisco Bay Area to Portland, Maine

Our best United Airlines deals on San Francisco Bay Area to Portland, Maine flight tickets
United Airlines
May 9
SFO10:55 pmSan Francisco
8h 28m
1 stop
PWM10:23 amPortland
May 12
PWM5:30 amPortland
8h 55m
1 stop
SFO11:25 amSan Francisco
$309
United Airlines
Mar 24
SJC10:55 pmSan Jose
12h 02m
2 stops
PWM1:57 pmPortland
Apr 7
PWM4:28 pmPortland
9h 13m
1 stop
SJC10:41 pmSan Jose
$412
United Airlines
Mar 23
SJC10:55 pmSan Jose
12h 02m
2 stops
PWM1:57 pmPortland
Apr 7
PWM4:28 pmPortland
9h 13m
1 stop
SJC10:41 pmSan Jose
$523

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 28, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 4/15

5:50 am-3:57 pm

1 stop7h 07m

Portland

Wed 4/22

4:43 pm-10:26 pm

1 stop8h 43m

$257

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 4/15

6:20 am-11:24 pm

2 stops14h 04m

Portland

Wed 4/22

4:43 pm-10:26 pm

1 stop8h 43m

$262

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Sat 5/9

11:58 pm-1:10 pm

1 stop10h 12m

Portland

Tue 5/12

12:55 pm-10:49 pm

2 stops12h 54m

$293

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 4/15

6:20 am-11:24 pm

2 stops14h 04m

Portland

Wed 4/22

11:42 am-10:26 pm

2 stops13h 44m

$298

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 4/8

11:25 pm-2:10 pm

2 stops11h 45m

Portland

Mon 4/13

4:50 pm-11:20 pm

1 stop9h 30m

$303

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Sat 5/9

10:55 pm-10:23 am

1 stop8h 28m

Portland

Tue 5/12

5:30 am-11:25 am

1 stop8h 55m

$309

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Tue 4/21

10:35 pm-10:23 am

1 stop8h 48m

Portland

Tue 4/28

1:18 pm-9:04 pm

1 stop10h 46m

$316

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Mon 4/20

12:59 am-3:09 pm

2 stops11h 10m

Portland

Tue 4/28

1:18 pm-9:04 pm

1 stop10h 46m

$321

San JosePortland

SJC - PWM

SJCPWM

San Jose

Tue 3/24

10:55 pm-1:57 pm

2 stops12h 02m

Portland

Tue 4/7

4:28 pm-10:41 pm

1 stop9h 13m

$412

San JosePortland

SJC - PWM

SJCPWM

San Jose

Tue 3/24

9:50 pm-11:55 am

1 stop11h 05m

Portland

Tue 4/7

1:00 pm-8:30 pm

1 stop10h 30m

$414

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 Boston from

How to get the cheapest flight ticket from San Francisco Bay Area 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 Bay Area 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 $364.

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 Bay Area when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $504 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 Bay Area for as low as $343 on momondo.

Can stopping save me money on San Francisco Bay Area to Portland, Maine flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Portland, Maine.

Cheap San Francisco Bay Area to Portland, Maine flight deals and tips

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

Fastest flight time

5h 47m

Direct flights

Sun

Airports in Portland, Maine

1 airport
The fastest flight from San Francisco Bay Area to Portland, Maine takes 5h 47m
Direct flights go from San Francisco Bay Area to Portland, Maine on Sunday. There are no airlines offering direct flights.
There is 1 airport in Portland, Maine. From San Francisco Bay Area there are direct flights to Portland (PWM).
Search flight deals

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

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

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

  • How old do you have to be to fly from San Francisco Bay Area to Portland 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 San Francisco Bay Area to Portland Airport.

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

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Francisco Bay Area to Portland, Maine?

Best airlines flying from San Francisco Bay Area to Portland, Maine

Compare and see reviews for airlines that fly from San Francisco Bay Area to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $155Free CancellationRating
7.9
8,245 reviews
Search Delta flights
JetBluePriceFrom $190Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
SouthwestPriceFrom $190Free CancellationRating
8.0
4,303 reviews
Search Southwest flights
American AirlinesPriceFrom $246Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,362 reviews
Search United Airlines flights

Traveling to a place near Boston?

Book flights to Boston 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 Bay Area to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco Bay Area to Portland. momondo saves you time and could save you money on your trip.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco Bay Area to Portland.

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

Of course. momondo tracks the price of San Francisco Bay Area to Portland 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 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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