$118+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SFO
May 6 — May 131
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Maine to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 May 1, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $227 (Kiwi.com) |
One-way from | $118 (Alaska Airlines) |
Popular in | April |
Cheapest in | February |
Average price | $479 |
Find flight deals from Maine to San Francisco
Cheapest flights from Maine to San FranciscoExplore 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 May 1, 2025.
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 May 1, 2025.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sun 5/46:00 amBOS - SFO
1 stop10h 15mFrontier
Sun 5/119:59 pmSFO - BOS
1 stop23h 45mFrontier
Deal found 4/30![Frontier logo]()
$227
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/286:00 amBOS - SFO
Nonstop6h 28mUnited Airlines
Sun 6/19:20 pmSFO - BOS
Nonstop5h 44mUnited Airlines
Deal found 4/30![United Airlines logo]()
$228
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 6/34:49 pmBOS - SFO
1 stop10h 04mAlaska Airlines
Wed 6/46:00 amSFO - BOS
1 stop22h 40mAlaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/244:49 pmBOS - SFO
1 stop10h 04mHawaiian Airlines
Sat 5/318:47 pmSFO - BOS
Nonstop5h 53mHawaiian Airlines
Deal found 4/30![Hawaiian Airlines logo]()
$231
This lastminute.com deal was found by Cheapflights users on 4/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:59 pmBOS - SFO
Nonstop6h 45mMultiple Airlines
Sat 5/318:00 amSFO - BOS
1 stop19h 10mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 7/38:25 amBOS - SFO
Nonstop6h 44mDelta
Mon 7/710:00 pmSFO - BOS
Nonstop5h 40mDelta
Deal found 4/30![Delta logo]()
$259
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/144:03 pmBOS - SFO
1 stop9h 24mAmerican Airlines
Sat 6/216:47 pmSFO - BOS
1 stop7h 50mAmerican Airlines
Deal found 4/30![American Airlines logo]()
$263
This JetBlue deal was found by Cheapflights users on 4/30. 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 5/243:10 pmBOS - SFO
1 stop11h 30mJetBlue
Sat 5/318:44 pmSFO - BOS
Nonstop5h 41mJetBlue
Deal found 4/30![JetBlue logo]()
$275
This American Airlines deal was found by Cheapflights users on 4/30. 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 10/242:53 pmPWM - SFO
1 stop11h 00mAmerican Airlines
Mon 10/2711:53 pmSFO - PWM
1 stop10h 19mAmerican Airlines
Deal found 4/30![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 11/54:55 pmPWM - SFO
1 stop8h 49mDelta
Tue 11/116:00 amSFO - PWM
2 stops12h 59mDelta
Deal found 4/29![Delta logo]()
$282
This JetBlue deal was found by Cheapflights users on 4/29. 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 5/242:15 pmPWM - SFO
1 stop12h 25mJetBlue
Sun 5/2511:40 amSFO - PWM
1 stop8h 39mJetBlue
Deal found 4/29![JetBlue logo]()
$292
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 9/124:14 pmBGR - SFO
1 stop10h 45mUnited Airlines
Mon 9/1510:45 pmSFO - BGR
1 stop9h 55mUnited Airlines
Deal found 4/28![United Airlines logo]()
$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 May 1, 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
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 5/21
8:00 am-11:44 am
Nonstop6h 44m
San Francisco
Wed 5/28
11:20 pm-10:23 am
1 stop8h 03m
$227
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 6/3
4:49 pm-11:53 pm
1 stop10h 04m
San Francisco
Wed 6/4
6:00 am-7:40 am
1 stop22h 40m
$229
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 5/24
4:49 pm-11:53 pm
1 stop10h 04m
San Francisco
Sat 5/31
8:47 pm-5:40 am
Nonstop5h 53m
$231
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 5/19
12:58 pm-10:26 pm
1 stop12h 28m
San Francisco
Sat 5/24
8:47 pm-5:40 am
Nonstop5h 53m
$233
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 5/12
12:58 pm-10:26 pm
1 stop12h 28m
San Francisco
Tue 5/13
9:59 pm-12:44 am
1 stop23h 45m
$237
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 5/23
1:02 pm-7:37 pm
1 stop9h 35m
San Francisco
Sat 5/24
12:04 pm-11:59 pm
1 stop8h 55m
$248
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 7/3
8:25 am-12:09 pm
Nonstop6h 44m
San Francisco
Mon 7/7
10:00 pm-6:40 am
Nonstop5h 40m
$259
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 5/24
8:35 pm-12:17 am
Nonstop6h 42m
San Francisco
Sat 5/31
6:00 am-6:38 pm
1 stop9h 38m
$275
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Tue 7/15
6:00 am-2:50 pm
2 stops11h 50m
San Francisco
Sat 7/19
7:30 am-9:41 pm
1 stop11h 11m
$282
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 5/24
2:15 pm-11:40 pm
1 stop12h 25m
San Francisco
Sun 5/25
11:40 am-11:19 pm
1 stop8h 39m
$292
Showing 1-10 of 46 results
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 $384). 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 May 1, 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.
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
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 May 1, 2025.
Read through reviews of airlines operating flights from Maine to San Francisco, such as Breeze Airways, Alaska Airlines and Southwest. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.6
Crew
8.8
Boarding
8.3
Comfort
8.2
Food
6.7
Overall
8.1
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Boarding
8.3
Comfort
8.2
Food
6.7
Overall
8.1
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Boarding
8.3
Comfort
8.2
Food
6.7
Overall
8.1
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Boarding
8.3
Comfort
8.2
Food
6.7
Overall
8.1
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Boarding
8.3
Comfort
8.2
Food
6.7
Overall
8.1
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Boarding
8.3
Comfort
8.2
Food
6.7
Overall
8.1
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
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.
Traveling to a place near Maine?
Book flights to Maine if you plan to visit one of these locationsRoseville
Mountain View
Santa Cruz
Livermore
South San Francisco
Turlock
Manteca
Fairfield
Richmond
Watsonville
Hollister
Newark
Milpitas
Antioch
Sausalito
Hayward
Alameda
Sunnyvale
Campbell
Daly City
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Maine to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Maine to San Francisco
Discover the top 4 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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$484 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$654 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$320 | Average$535 | FlexibilityNo cancel fee | On-time62% |