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$93+ Cheap flights from Maine to San Francisco (SFO)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SFO
Aug 9 — Aug 161
Sat 8/9
Sat 8/16
1 adult, Economy
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Cheap flight deals from Maine to San Francisco

Keep the following information in mind while searching for Maine to San Francisco flight deals. Data was last updated August 4, 2025.

Round-trip from

$185
(American Airlines)

One-way from

$93
(American Airlines)

Popular in

November

Cheapest in

February

Average price

$444
From Maine to San Francisco
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One-way flight from Maine to San Francisco
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Maine to San Francisco

Cheapest flights from Maine to San Francisco
Explore the most affordable flight options available from Maine to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2025.

This American Airlines deal was found by Cheapflights users on 8/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:57 pmPWM - SFO
1 stop9h 01mAmerican Airlines
Sat 9/1311:52 pmSFO - PWM
1 stop11h 01mAmerican Airlines
Deal found 8/4$185
This Southwest deal was found by Cheapflights users on 8/4. 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.
Sat 9/68:15 amPWM - SFO
1 stop13h 05mSouthwest
Sat 9/139:05 pmSFO - PWM
1 stop9h 35mSouthwest
Deal found 8/4$194
This JetBlue deal was found by Cheapflights users on 8/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:55 pmBOS - SFO
Nonstop6h 43mJetBlue
Sat 9/610:00 pmSFO - BOS
Nonstop5h 39mJetBlue
Deal found 8/2$239
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:45 amBOS - SFO
1 stop8h 27mHawaiian Airlines
Sat 9/66:10 amSFO - BOS
Nonstop5h 50mHawaiian Airlines
Deal found 8/2$240
This Southwest deal was found by Cheapflights users on 8/3. 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.
Thu 8/287:10 amBOS - SFO
1 stop8h 45mSouthwest
Wed 9/311:25 amSFO - BOS
1 stop8h 05mSouthwest
Deal found 8/3$242
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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.
Wed 9/104:00 pmBOS - SFO
1 stop9h 14mAlaska Airlines
Wed 9/176:10 amSFO - BOS
Nonstop5h 50mAlaska Airlines
Deal found 8/4$247
This American Airlines deal was found by Cheapflights users on 8/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/53:46 pmBOS - SFO
1 stop10h 23mAmerican Airlines
Tue 9/168:00 amSFO - BOS
1 stop11h 40mAmerican Airlines
Deal found 8/4$249
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:05 amBOS - SFO
1 stop8h 31mUnited Airlines
Fri 9/269:20 pmSFO - BOS
Nonstop5h 47mUnited Airlines
Deal found 8/3$258
This Delta deal was found by Cheapflights users on 8/4. 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.
Sat 8/306:45 pmBOS - SFO
Nonstop6h 53mDelta
Sat 9/61:00 pmSFO - BOS
Nonstop5h 50mDelta
Deal found 8/4$272
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 9/191:35 pmPWM - SFO
1 stop9h 53mDelta
Sun 9/2112:45 amSFO - PWM
1 stop6h 55mDelta
Deal found 8/4$277
This JetBlue deal was found by Cheapflights users on 8/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:17 pmPWM - SFO
1 stop12h 25mJetBlue
Mon 10/610:30 pmSFO - PWM
1 stop11h 52mJetBlue
Deal found 8/4$293
This American Airlines deal was found by Cheapflights users on 8/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:54 pmBGR - SFO
1 stop8h 15mAmerican Airlines
Wed 10/2211:25 pmSFO - BGR
1 stop9h 15mAmerican Airlines
Deal found 8/4$309

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from Maine to San Francisco that are best for you.

Fly from

Maine

Fly to

San Francisco

Route

Depart

Return

Price

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Sat 9/6

1:57 pm-7:58 pm

1 stop9h 01m

San Francisco

Sat 9/13

11:52 pm-1:53 pm

1 stop11h 01m

$185

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Sat 9/6

8:15 am-6:20 pm

1 stop13h 05m

San Francisco

Sat 9/13

9:05 pm-9:40 am

1 stop9h 35m

$194

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 8/30

7:55 pm-11:38 pm

Nonstop6h 43m

San Francisco

Sat 9/6

10:00 pm-6:39 am

Nonstop5h 39m

$239

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 9/3

7:45 am-1:12 pm

1 stop8h 27m

San Francisco

Sat 9/6

6:10 am-3:00 pm

Nonstop5h 50m

$240

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 8/28

7:10 am-12:55 pm

1 stop8h 45m

San Francisco

Wed 9/3

11:25 am-10:30 pm

1 stop8h 05m

$242

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 9/10

4:00 pm-10:14 pm

1 stop9h 14m

San Francisco

Wed 9/17

6:10 am-3:00 pm

Nonstop5h 50m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 9/5

3:46 pm-11:09 pm

1 stop10h 23m

San Francisco

Tue 9/16

8:00 am-10:40 pm

1 stop11h 40m

$249

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 9/17

9:05 am-2:36 pm

1 stop8h 31m

San Francisco

Fri 9/26

11:30 pm-8:17 am

Nonstop5h 47m

$258

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 8/30

6:45 pm-10:38 pm

Nonstop6h 53m

San Francisco

Sat 9/6

1:00 pm-9:50 pm

Nonstop5h 50m

$272

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Fri 9/19

1:35 pm-8:28 pm

1 stop9h 53m

San Francisco

Sun 9/21

12:45 am-10:40 am

1 stop6h 55m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 45 results
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Best time to book a flight from Maine to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Maine 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 Maine to San Francisco

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

Currently, January is the cheapest month in which you can book a flight from Maine to San Francisco (average of $276). Flying from Maine to San Francisco in June is currently the most expensive (average of $358). 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.

What is the cheapest time of day to fly from ME to SFO?

Find hourly flight availability from Maine to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2025.

When flying from Maine to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated August 4, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Maine to San Francisco. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,987 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Breeze Airways
8.0
Very good
191 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Hawaiian Airlines
7.8
Good
2,620 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Maine to San Francisco. 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 into for flights to San Francisco from Maine?

    For a flight from Maine to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $93. Southwest flights start at $134 while deals on Hawaiian Airlines start at $137 one-way.

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

    Most travelers choose Boston Logan Intl - San Francisco, Portland - San Francisco or Bangor - San Francisco when deciding on the best route from Maine to San Francisco.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maine to San Francisco 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 Maine to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Maine to San Francisco (average of $276). Flying from Maine to San Francisco in June is currently the most expensive (average of $358). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
Livermore
South San Francisco
Turlock
Hollister
Antioch
Watsonville
Manteca
Sunnyvale
Newark
Milpitas
Santa Clara
Campbell
Foster City
San Leandro
Burlingame
Redwood City
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maine to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Maine to San Francisco

Discover the top 5 airlines that operate flights from Maine to San Francisco. 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 August 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$219Average$463FlexibilityNo cancel feeOn-time71%
DeltaCheapest$267Average$384FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$272Average$457FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$276Average$645FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$320Average$495FlexibilityNo cancel feeOn-time62%

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