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Cheap flights from Maine to San Francisco 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 Maine to San Francisco departing on 10/22. 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 Maine to San Francisco

Cheap round-trip flights

Frontier Logo
9:55 am - 9:11 pmBOS-SFO
14h 16m1 stop
Frontier Logo
10:23 pm - 10:48 amSFO-BOS
9h 25m1 stop
$221Frontier
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lun., nov. 10 - vie., nov. 14
Frontier Logo
11:43 am - 9:11 pmBOS-SFO
12h 28m1 stop
Frontier Logo
10:23 pm - 9:00 amSFO-BOS
31h 37m1 stop
$222Frontier
Find Deal
sáb., nov. 8 - sáb., nov. 15
Southwest Logo
3:05 pm - 11:25 pmPWM-SFO
11h 20m1 stop
Southwest Logo
9:25 pm - 11:10 amSFO-PWM
10h 45m1 stop
$244Southwest
Find Deal
sáb., nov. 22 - jue., nov. 27
American Airlines Logo
3:52 pm - 10:05 pmPWM-SFO
9h 13m1 stop
American Airlines Logo
11:14 pm - 12:08 pmSFO-PWM
9h 54m1 stop
$251American Airlines
Find Deal
mié., nov. 5 - mar., nov. 11
Alaska Airlines Logo
8:25 pm - 12:05 amBOS-SFO
6h 40mnonstop
Alaska Airlines Logo
7:11 am - 4:00 pmSFO-BOS
5h 49mnonstop
$252Alaska Airlines
Find Deal
vie., oct. 17 - sáb., oct. 25
American Airlines Logo
3:52 pm - 10:05 pmPWM-SFO
9h 13m1 stop
American Airlines Logo
7:10 am - 9:35 pmSFO-PWM
11h 25m2 stops
$256American Airlines
Find Deal
mié., nov. 5 - mar., nov. 11
JetBlue Logo
7:10 am - 11:00 amBOS-SFO
6h 50mnonstop
JetBlue Logo
9:10 pm - 5:44 amSFO-BOS
5h 34mnonstop
$257JetBlue
Find Deal
vie., oct. 31 - vie., oct. 31
Alaska Airlines Logo
8:25 pm - 12:05 amBOS-SFO
6h 40mnonstop
Alaska Airlines Logo
7:11 am - 4:00 pmSFO-BOS
5h 49mnonstop
$261Alaska Airlines
Find Deal
mié., oct. 22 - sáb., oct. 25
JetBlue Logo
8:45 pm - 12:34 amBOS-SFO
6h 49mnonstop
JetBlue Logo
8:30 pm - 5:01 amSFO-BOS
5h 31mnonstop
$262JetBlue
Find Deal
mar., feb. 3 - mar., feb. 10
Southwest Logo
7:20 am - 1:55 pmBOS-SFO
9h 35m1 stop
Southwest Logo
10:50 am - 9:40 pmSFO-BOS
7h 50m1 stop
$277Southwest
Find Deal
mié., nov. 5 - mar., nov. 11

Frontier flights from Maine to San Francisco

Our best Frontier deals on Maine to San Francisco flight tickets
Frontier
Nov 10
BOS9:55 amBoston Logan Intl
14h 16m
1 stop
SFO9:11 pmSan Francisco
Nov 14
SFO10:23 pmSan Francisco
9h 25m
1 stop
BOS10:48 amBoston Logan Intl
$221
Find similar
Frontier
Nov 8
BOS11:43 amBoston Logan Intl
12h 28m
1 stop
SFO9:11 pmSan Francisco
Nov 15
SFO10:23 pmSan Francisco
31h 37m
1 stop
BOS9:00 amBoston Logan Intl
$222
Find similar
Frontier
Oct 23
BOS9:50 amBoston Logan Intl
14h 33m
1 stop
SFO9:23 pmSan Francisco
Oct 24
SFO10:23 pmSan Francisco
31h 32m
1 stop
BOS8:55 amBoston Logan Intl
$230
Find similar

JetBlue flights from Maine to San Francisco

Our best JetBlue deals on Maine to San Francisco flight tickets
JetBlue
Oct 31
BOS7:10 amBoston Logan Intl
6h 50m
SFO11:00 amSan Francisco
Oct 31
SFO9:10 pmSan Francisco
5h 34m
BOS5:44 amBoston Logan Intl
$257
Find similar
JetBlue
Feb 3
BOS8:45 pmBoston Logan Intl
6h 49m
SFO12:34 amSan Francisco
Feb 10
SFO8:30 pmSan Francisco
5h 31m
BOS5:01 amBoston Logan Intl
$262
Find similar
JetBlue
Oct 17
BOS8:15 pmBoston Logan Intl
7h 00m
SFO12:15 amSan Francisco
Oct 25
SFO8:41 amSan Francisco
5h 58m
BOS5:39 pmBoston Logan Intl
$264
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Maine 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Maine to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

lun. 11/10

9:55 am-9:11 pm

1 stop14h 16m

San Francisco

vie. 11/14

10:23 pm-10:48 am

1 stop9h 25m

$221

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

sáb. 11/8

11:43 am-9:11 pm

1 stop12h 28m

San Francisco

sáb. 11/15

10:23 pm-9:00 am

1 stop31h 37m

$222

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

sáb. 11/22

3:05 pm-11:25 pm

1 stop11h 20m

San Francisco

jue. 11/27

9:25 pm-11:10 am

1 stop10h 45m

$244

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

mié. 11/5

3:52 pm-10:05 pm

1 stop9h 13m

San Francisco

mar. 11/11

11:14 pm-12:08 pm

1 stop9h 54m

$251

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

vie. 10/17

8:25 pm-12:05 am

Nonstop6h 40m

San Francisco

sáb. 10/25

7:11 am-4:00 pm

Nonstop5h 49m

$252

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

mié. 11/5

3:52 pm-10:05 pm

1 stop9h 13m

San Francisco

mar. 11/11

7:10 am-9:35 pm

2 stops11h 25m

$256

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

vie. 10/31

7:10 am-11:00 am

Nonstop6h 50m

San Francisco

vie. 10/31

9:10 pm-5:44 am

Nonstop5h 34m

$257

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

mié. 10/22

8:25 pm-12:05 am

Nonstop6h 40m

San Francisco

sáb. 10/25

7:11 am-4:00 pm

Nonstop5h 49m

$261

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

mar. 2/3

8:45 pm-12:34 am

Nonstop6h 49m

San Francisco

mar. 2/10

8:30 pm-5:01 am

Nonstop5h 31m

$262

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

mié. 11/5

7:20 am-1:55 pm

1 stop9h 35m

San Francisco

mar. 11/11

10:50 am-9:40 pm

1 stop7h 50m

$277

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 Maine 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 September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $376.

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

The cheapest day to depart from Maine to San Francisco is on a Friday when prices can be found for as low as $431. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $740.

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

Our data shows that the cheapest Maine to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $422. Flights in the morning are often more expensive with an average ticket price of $509.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Maine for as low as $328 on momondo.

Can stopping save me money on Maine to San Francisco flights?

You could potentially save up to 9% on your flight if you consider stops on a Maine to San Francisco flight.

Cheap Maine to San Francisco flight deals and tips

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

Fastest flight time

6h 28m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from Maine to San Francisco takes 6h 28m
Direct flights go from Maine to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

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

    Prices for flights from Maine to San Francisco Airport are updated daily.

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

  • How old do you have to be to fly from Maine to San Francisco 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 Maine to San Francisco Airport.

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

    The required travel and health documents for your San Francisco 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 San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Maine to San Francisco

Compare and see reviews for airlines that fly from Maine to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $232Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $272Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $276Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
JetBluePriceFrom $320Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights

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
Sonoma
Calistoga
Bodega Bay
Roseville
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Half Moon Bay
Walnut Creek
Vallejo
Redwood City
Salinas
South San Francisco
Fairfield

Why use momondo?

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

Finding the right flight to San Francisco from Maine is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

Yes. All flights to San Francisco from Maine on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Maine. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Maine to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Francisco trip

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