Maine

$129+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PWM
May 24 — May 311
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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 April 24, 2026.

This Southwest deal was found by Cheapflights users on 4/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:30 pm
SFO
-
PWM
1 stop8h 25m
Southwest
Wed 9/95:45 am
PWM
-
SFO
1 stop8h 50m
Southwest
Deal found 4/20$227
This Delta deal was found by Cheapflights users on 4/22. 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.
Sun 6/712:48 am
SFO
-
PWM
1 stop6h 55m
Delta
Wed 6/176:00 am
PWM
-
SFO
1 stop8h 45m
Delta
Deal found 4/22$257
This CheapOair deal was found by Cheapflights users on 4/21. 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 7/711:48 pm
SFO
-
BOS
Nonstop5h 40m
Multiple Airlines
Thu 7/99:12 am
BOS
-
SFO
1 stop13h 13m
Multiple Airlines
Deal found 4/21$284
This Expedia deal was found by Cheapflights users on 4/21. 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 5/164:44 pm
SFO
-
BOS
1 stop10h 00m
Multiple Airlines
Sat 5/239:27 pm
BOS
-
SFO
Nonstop6h 39m
Multiple Airlines
Deal found 4/21$287
This Delta deal was found by Cheapflights users on 4/22. 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.
Sun 6/2112:48 am
SFO
-
PWM
1 stop6h 55m
Delta
Thu 6/2511:48 am
PWM
-
SFO
1 stop8h 27m
Delta
Deal found 4/22$288
This Southwest deal was found by Cheapflights users on 4/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 pm
SFO
-
BOS
1 stop9h 00m
Southwest
Mon 9/145:00 am
BOS
-
SFO
1 stop8h 35m
Southwest
Deal found 4/20$288
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Mon 5/183:20 pm
SFO
-
BOS
Nonstop5h 48m
Multiple Airlines
Sat 5/3012:01 pm
BOS
-
SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/20$289
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:44 pm
SFO
-
BOS
1 stop10h 00m
Alaska Airlines
Tue 6/98:05 am
BOS
-
SFO
1 stop12h 56m
Alaska Airlines
Deal found 4/20$290
This Expedia deal was found by Cheapflights users on 4/20. 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.
Thu 5/286:16 am
SFO
-
BOS
1 stop20h 28m
Multiple Airlines
Wed 6/312:01 pm
BOS
-
SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/20$291
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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.
Sat 5/233:10 pm
SFO
-
BOS
Nonstop5h 48m
JetBlue
Wed 5/279:27 pm
BOS
-
SFO
Nonstop6h 39m
JetBlue
Deal found 4/20$292
This Expedia deal was found by Cheapflights users on 4/21. 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 5/196:16 am
SFO
-
BOS
1 stop20h 28m
Multiple Airlines
Tue 6/238:55 pm
BOS
-
SFO
Nonstop6h 36m
Multiple Airlines
Deal found 4/21$293
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Thu 7/911:44 pm
SFO
-
BOS
Nonstop5h 42m
Multiple Airlines
Sat 7/116:00 am
BOS
-
SFO
1 stop16h 25m
Multiple Airlines
Deal found 4/20$294

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Southwest)

One-way from

$129
(Delta)

Popular in

December

Cheapest in

January

Average price

$579
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 ($97 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 April 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 April 24, 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 FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Sun 7/5

12:48 am-10:43 am

1 stop6h 55m

Portland

Fri 7/10

12:42 pm-6:14 pm

1 stop8h 32m

$306

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 8/26

10:35 pm-9:23 am

1 stop7h 48m

Boston Logan Intl

Sun 8/30

6:00 am-9:30 am

Nonstop6h 30m

$317

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 5/23

6:16 am-5:44 am

1 stop20h 28m

Boston Logan Intl

Tue 6/2

8:05 am-5:01 pm

1 stop11h 56m

$319

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 5/7

5:30 am-4:16 pm

1 stop7h 46m

Boston Logan Intl

Mon 5/11

8:15 pm-11:58 pm

Nonstop6h 43m

$357

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 9/23

2:50 pm-11:41 pm

Nonstop5h 51m

Boston Logan Intl

Mon 9/28

8:55 pm-12:56 am

Nonstop7h 01m

$383

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 8/17

7:45 pm-9:30 am

2 stops10h 45m

Boston Logan Intl

Sun 8/23

8:00 am-8:40 pm

1 stop15h 40m

$388

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Tue 5/26

10:40 pm-12:20 pm

2 stops10h 40m

Portland

Tue 6/2

3:55 pm-9:25 pm

1 stop8h 30m

$390

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 5/23

9:00 pm-5:44 am

Nonstop5h 44m

Boston Logan Intl

Sat 5/30

4:40 pm-12:33 am

1 stop10h 53m

$394
Quickest round-trip

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 6/5

1:00 pm-9:50 pm

Nonstop5h 50m

Boston Logan Intl

Fri 6/12

8:50 pm-12:33 am

Nonstop6h 43m

$397

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 5/6

5:50 am-3:57 pm

1 stop7h 07m

Portland

Wed 5/27

6:00 am-11:48 am

1 stop8h 48m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

How far ahead should I book a flight from San Francisco to Maine?

The price you pay for your flight from San Francisco to Maine may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, July is the cheapest month in which you can book a flight from San Francisco to Maine (average of $138). Flying from San Francisco to Maine in April is currently the most expensive (average of $346). 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.

How much does it cost to fly round-trip from San Francisco to Maine?

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 April 24, 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.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

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 11.0 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 6h 55m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. Airlines will cover a distance of 2715 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, July is the cheapest month in which you can book a flight from San Francisco to Maine (average of $138). Flying from San Francisco to Maine in April is currently the most expensive (average of $346). 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$364FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$190Average$346FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$190Average$436FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$250Average$497FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$551FlexibilityNo cancel feeOn-time69%

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