Maine

$134+ Cheap flights from San Francisco (SFO) to Maine

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PWM
Apr 10 — Apr 171
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Cheap flight deals from San Francisco to Maine

Cheapest flights from San Francisco to Maine
Explore the most affordable flight options available from San Francisco to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.

This Expedia deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:40 pm
SFO
-
BOS
1 stop8h 13m
Multiple Airlines
Tue 4/146:00 am
BOS
-
SFO
1 stop14h 34m
Multiple Airlines
Deal found 3/6$234
This Expedia deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:38 pm
SFO
-
BOS
1 stop9h 22m
Multiple Airlines
Fri 4/248:19 pm
BOS
-
SFO
Nonstop6h 40m
Multiple Airlines
Deal found 3/7$239
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:59 pm
SFO
-
BOS
1 stop16h 34m
Multiple Airlines
Fri 5/86:00 am
BOS
-
SFO
1 stop13h 54m
Multiple Airlines
Deal found 3/9$240
This Frontier deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:38 pm
SFO
-
BOS
1 stop10h 07m
Frontier
Thu 5/146:00 am
BOS
-
SFO
1 stop13h 54m
Frontier
Deal found 3/5$242
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:00 pm
SFO
-
BOS
Nonstop5h 40m
Multiple Airlines
Tue 4/146:00 am
BOS
-
SFO
1 stop14h 34m
Multiple Airlines
Deal found 3/9$244
This CheapOair deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:38 pm
SFO
-
BOS
1 stop9h 22m
Multiple Airlines
Sat 5/26:50 am
BOS
-
SFO
Nonstop6h 39m
Multiple Airlines
Deal found 3/6$245
This Frontier deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:03 pm
SFO
-
BOS
1 stop10h 42m
Frontier
Wed 4/226:00 am
BOS
-
SFO
1 stop14h 34m
Frontier
Deal found 3/6$246
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:00 pm
SFO
-
BOS
Nonstop5h 40m
Multiple Airlines
Wed 4/156:00 am
BOS
-
SFO
1 stop14h 34m
Multiple Airlines
Deal found 3/9$249
This CheapOair deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:10 pm
SFO
-
BOS
Nonstop5h 48m
Multiple Airlines
Sat 5/26:00 am
BOS
-
SFO
1 stop14h 34m
Multiple Airlines
Deal found 3/6$250
This Cheapflightsfares deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:10 pm
SFO
-
BOS
Nonstop5h 48m
JetBlue
Thu 4/308:19 pm
BOS
-
SFO
Nonstop6h 40m
JetBlue
Deal found 3/6$252
This Super.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:10 pm
SFO
-
BOS
Nonstop5h 48m
JetBlue
Sun 5/36:50 am
BOS
-
SFO
Nonstop6h 39m
JetBlue
Deal found 3/5$253
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:50 am
SFO
-
PWM
1 stop7h 07m
Delta
Wed 5/64:43 pm
PWM
-
SFO
1 stop8h 43m
Delta
Deal found 3/8$271

Find flight deals from San Francisco to Maine

Keep the following information in mind while searching for San Francisco to Maine flight deals. Data was last updated March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(Expedia)

One-way from

$134
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$519
Provider with most accurate pricing for San Francisco-Portland flight deals.
Provider most trusted by Cheapflights users for San Francisco-Portland flights.
From San Francisco to Maine
One-way flight from San Francisco to Maine
Highest demand for flights based on searches. 16% potential increase in price ($99 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to 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, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
Use the filters below to find and compare flights from San Francisco to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sun 5/17

11:20 pm-8:23 am

Nonstop6h 03m

Boston Logan Intl

Sat 5/30

6:00 am-9:27 am

Nonstop6h 27m

$277

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 5/18

9:54 pm-6:45 am

Nonstop5h 51m

Boston Logan Intl

Tue 5/19

8:59 pm-12:32 am

Nonstop6h 33m

$292

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 5/28

9:15 pm-8:05 am

1 stop7h 50m

Boston Logan Intl

Wed 6/3

2:25 pm-9:25 pm

1 stop10h 00m

$297
Quickest round-trip

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 5/4

9:30 pm-6:08 am

Nonstop5h 38m

Boston Logan Intl

Wed 5/6

8:19 pm-11:59 pm

Nonstop6h 40m

$297

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 5/20

6:16 am-5:44 am

1 stop20h 28m

Boston Logan Intl

Tue 5/26

6:40 pm-9:33 am

1 stop17h 53m

$302

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 4/21

12:35 pm-11:59 pm

1 stop8h 24m

Boston Logan Intl

Fri 4/24

5:30 am-9:11 am

Nonstop6h 41m

$303

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 4/13

10:55 pm-12:15 pm

2 stops10h 20m

Boston Logan Intl

Wed 4/22

9:15 am-7:55 pm

2 stops13h 40m

$313

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Sat 8/29

11:45 pm-12:22 pm

1 stop9h 37m

Portland

Fri 9/4

11:38 am-6:08 pm

1 stop9h 30m

$329

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Mon 8/10

10:35 pm-9:22 am

1 stop7h 47m

Portland

Mon 8/24

5:15 am-11:20 am

1 stop9h 05m

$329

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 6/3

7:20 am-10:35 pm

2 stops12h 15m

Portland

Wed 6/10

1:05 pm-7:50 pm

1 stop9h 45m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Maine

What is the cheapest month to book a flight from San Francisco to Maine?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Maine (average of $229). Flying from San Francisco to Maine in April is currently the most expensive (average of $351). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maine. Reviews last updated March 11, 2026.
Read through reviews of airlines operating flights from San Francisco to Maine, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Maine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Maine?

    Located just 11.8 mi from the city center, San Francisco (SFO) is the airport most travelers will use when flying to Maine from San Francisco.

  • How long is the flight from San Francisco to Maine?

    There are many flights that can get you from San Francisco to Maine in 5h 51m. Fly via United Airlines, Delta, or Southwest to get the fastest option. Airlines will cover a distance of 2696 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from San Francisco to Maine one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $101. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from San Francisco to Maine for a low price.

  • What are the most popular routes from San Francisco to Maine?

  • Can I find deals for flights from San Francisco to Maine that include hotel bookings?

    Yes. In addition to deals on San Francisco to Maine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Maine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Maine.

  • Can I find deals for business class flights from San Francisco to Maine?

    Yes. Cheapflights offers flight deals from San Francisco to Maine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Maine?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Maine (average of $229). Flying from San Francisco to Maine in April is currently the most expensive (average of $351). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Maine

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Francisco to Maine

Discover the top 5 airlines that operate flights from San Francisco to Maine. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$369FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$190Average$362FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$190Average$434FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$246Average$470FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$570FlexibilityNo cancel feeOn-time69%

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