$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
Round-trip
1 adult, Economy
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Cheapest flights from San Francisco to MaineExplore 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.
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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Frontier logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Frontier logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![JetBlue logo]()
$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![JetBlue logo]()
$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![Delta logo]()
$271
Best flights from San Francisco to MaineDiscover carefully curated flight deals from San Francisco to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
Discover carefully curated flight deals from San Francisco to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:20 pm
SFO
- BOS
Nonstop6h 03m
United Airlines
Sat 5/306:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 3/8![United Airlines logo]()
$277
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:54 pm
SFO
- BOS
Nonstop5h 51m
Delta
Tue 5/198:59 pm
BOS
- SFO
Nonstop6h 33m
Delta
Deal found 3/6![Delta logo]()
$292
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:15 pm
SFO
- BOS
1 stop7h 50m
Southwest
Wed 6/32:25 pm
BOS
- SFO
1 stop10h 00m
Southwest
Deal found 3/8![Southwest logo]()
$297
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:30 pm
SFO
- BOS
Nonstop5h 38m
JetBlue
Wed 5/68:19 pm
BOS
- SFO
Nonstop6h 40m
JetBlue
Deal found 3/9![JetBlue logo]()
$297
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Tue 5/266:40 pm
BOS
- SFO
1 stop17h 53m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$302
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:31 pm
SFO
- BGR
1 stop8h 54m
American Airlines
Wed 5/63:15 pm
BGR
- SFO
1 stop11h 00m
American Airlines
Deal found 3/6![American Airlines logo]()
$349
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:35 pm
SFO
- BOS
1 stop8h 24m
United Airlines
Fri 4/245:30 am
BOS
- SFO
Nonstop6h 41m
United Airlines
Deal found 3/9![United Airlines logo]()
$303
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:55 pm
SFO
- BOS
2 stops10h 20m
Southwest
Wed 4/229:15 am
BOS
- SFO
2 stops13h 40m
Southwest
Deal found 3/6![Southwest logo]()
$313
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:45 pm
SFO
- PWM
1 stop9h 37m
Delta
Fri 9/411:38 am
PWM
- SFO
1 stop9h 30m
Delta
Deal found 3/9![Delta logo]()
$329
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:00 am
SFO
- BOS
1 stop11h 46m
JetBlue
Sat 4/253:11 pm
BOS
- SFO
1 stop9h 46m
JetBlue
Deal found 3/9![JetBlue logo]()
$343
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:35 pm
SFO
- PWM
1 stop7h 47m
United Airlines
Mon 8/245:15 am
PWM
- SFO
1 stop9h 05m
United Airlines
Deal found 3/8![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 3/10. 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 6/37:20 am
SFO
- PWM
2 stops12h 15m
Southwest
Wed 6/101:05 pm
PWM
- SFO
1 stop9h 45m
Southwest
Deal found 3/10![Southwest logo]()
$334
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Thu 5/72:55 pm
BOS
- SFO
1 stop11h 55m
JetBlue
Deal found 3/8![JetBlue logo]()
$357
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:45 pm
SFO
- PWM
1 stop9h 37m
Delta
Fri 9/411:38 am
PWM
- SFO
1 stop9h 30m
Delta
Deal found 3/9![Delta logo]()
$364
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Sun 6/76:40 am
BOS
- SFO
Nonstop6h 41m
JetBlue
Deal found 3/7![JetBlue logo]()
$359
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:15 pm
SFO
- BOS
2 stops9h 50m
Southwest
Sun 5/105:15 am
BOS
- SFO
1 stop8h 05m
Southwest
Deal found 3/6![Southwest logo]()
$362
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.
Wed 5/68:00 am
SFO
- PWM
2 stops13h 46m
Delta
Sat 5/92:05 pm
PWM
- SFO
1 stop9h 36m
Delta
Deal found 3/8![Delta logo]()
$369
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:31 pm
SFO
- BGR
1 stop8h 54m
American Airlines
Sat 5/96:40 am
BGR
- SFO
2 stops11h 45m
American Airlines
Deal found 3/7![American Airlines logo]()
$477
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.
Sun 3/228:44 pm
SFO
- AUG
1 stop10h 44m
Multiple Airlines
Thu 3/263:29 pm
AUG
- SFO
1 stop12h 22m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$970
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:30 pm
SFO
- PWM
1 stop13h 20m
Southwest
Tue 8/115:45 am
PWM
- SFO
1 stop8h 50m
Southwest
Deal found 3/7![Southwest logo]()
$372
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:55 pm
SFO
- PWM
2 stops10h 00m
Southwest
Mon 3/302:50 pm
PWM
- SFO
1 stop11h 50m
Southwest
Deal found 3/8![Southwest logo]()
$374
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:30 am
SFO
- PWM
1 stop9h 34m
United Airlines
Wed 5/64:50 pm
PWM
- SFO
1 stop8h 53m
United Airlines
Deal found 3/8![United Airlines logo]()
$457
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:14 pm
SFO
- BGR
1 stop9h 26m
American Airlines
Mon 6/82:22 pm
BGR
- SFO
1 stop11h 27m
American Airlines
Deal found 3/6![American Airlines logo]()
$506
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:25 pm
SFO
- BOS
1 stop10h 15m
Southwest
Mon 4/132:30 pm
BOS
- SFO
1 stop11h 50m
Southwest
Deal found 3/9![Southwest logo]()
$378
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.
Mon 4/610:40 pm
SFO
- BGR
2 stops10h 08m
Delta
Mon 4/135:02 pm
BGR
- SFO
1 stop11h 21m
Delta
Deal found 3/8![Delta logo]()
$515
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
SFO
- BGR
1 stop10h 40m
United Airlines
Sat 5/97:40 am
BGR
- SFO
2 stops15h 59m
United Airlines
Deal found 3/7![United Airlines logo]()
$548
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:14 pm
SFO
- BGR
1 stop9h 26m
American Airlines
Fri 6/122:22 pm
BGR
- SFO
1 stop9h 57m
American Airlines
Deal found 3/6![American Airlines logo]()
$612
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
SFO
- AUG
1 stop8h 50m
JetBlue
Wed 5/63:29 pm
AUG
- SFO
1 stop11h 30m
JetBlue
Deal found 3/8![JetBlue logo]()
$562
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:50 pm
SFO
- PWM
2 stops10h 30m
Southwest
Sun 7/126:45 am
PWM
- SFO
1 stop8h 40m
Southwest
Deal found 3/7![Southwest logo]()
$453
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:45 pm
SFO
- AUG
1 stop10h 43m
JetBlue
Mon 5/43:29 pm
AUG
- SFO
1 stop11h 30m
JetBlue
Deal found 3/8![JetBlue logo]()
$562
Last-minute flights from San Francisco to MaineDiscover last-minute flight deals from San Francisco to Maine. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Maine. Data last updated March 11, 2026 and is based on user searches.
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![Multiple Airlines logo]()
$244
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![Multiple Airlines logo]()
$234
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![Multiple Airlines logo]()
$249
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![Frontier logo]()
$246
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/145:45 am
SFO
- PWM
1 stop9h 53m
American Airlines
Tue 4/216:01 pm
PWM
- SFO
1 stop8h 58m
American Airlines
Deal found 3/10![American Airlines logo]()
$291
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![Multiple Airlines logo]()
$239
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.
Sat 4/1810:38 pm
SFO
- BOS
1 stop9h 22m
Frontier
Tue 4/216:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Deal found 3/6![Frontier logo]()
$245
This Southwest deal was found by Cheapflights users on 3/10. 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 4/189:15 pm
SFO
- PWM
1 stop11h 50m
Southwest
Sat 4/255:40 am
PWM
- SFO
2 stops13h 40m
Southwest
Deal found 3/10![Southwest logo]()
$302
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:38 pm
SFO
- BOS
1 stop9h 47m
Frontier
Sat 5/210:25 am
BOS
- SFO
1 stop10h 09m
Frontier
Deal found 3/8![Frontier logo]()
$242
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![Multiple Airlines logo]()
$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 4/282:00 pm
SFO
- BOS
Nonstop5h 45m
JetBlue
Sat 5/239:25 pm
BOS
- SFO
Nonstop6h 41m
JetBlue
Deal found 3/6![JetBlue logo]()
$252
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.
Thu 4/307:00 am
SFO
- BOS
1 stop13h 59m
Multiple Airlines
Fri 5/86:00 am
BOS
- SFO
1 stop13h 54m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$240
One-way flights from San Francisco to MaineSearch for one-way flight options from San Francisco to Maine. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from San Francisco to Maine. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
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.
Wed 5/206:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$134
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:03 pm
SFO
- BOS
1 stop24h 28m
Frontier
Deal found 3/5![Frontier logo]()
$135
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:50 am
SFO
- PWM
1 stop7h 17m
Delta
Deal found 3/7![Delta logo]()
$136
This Frontier deal was found by Cheapflights users on 3/10. 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 4/610:03 pm
SFO
- BOS
1 stop10h 42m
Frontier
Deal found 3/10![Frontier logo]()
$136
This Super.com 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 Super.com 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
JetBlue
Deal found 3/6![JetBlue logo]()
$137
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:54 pm
SFO
- BOS
Nonstop5h 51m
Delta
Deal found 3/9![Delta logo]()
$139
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
SFO
- BOS
2 stops16h 26m
Frontier
Deal found 3/8![Frontier logo]()
$140
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
SFO
- BOS
2 stops15h 51m
Frontier
Deal found 3/6![Frontier logo]()
$141
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
- BOS
2 stops13h 25m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$142
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:23 pm
SFO
- BOS
1 stop10h 22m
Frontier
Deal found 3/9![Frontier logo]()
$143
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:13 am
SFO
- BOS
1 stop9h 46m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$144
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:04 pm
SFO
- BOS
2 stops25h 22m
Frontier
Deal found 3/5![Frontier logo]()
$146
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 |
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
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
Showing 1-10 of 60 resultsSorted by cheapest first
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.
SFO-BOS
SFO-PWM
SFO-BGR
SFO-AUG
SFO-RKD
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
SFO-USME
SFO-BOS
SFO-PWM
SFO-BGR
SFO-AUG
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
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
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.
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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.
Complete your trip
Complete your trip to Maine by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Maine by cabin class
Find flights from San Francisco to Maine, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Maine flights
Browse other San Francisco and Maine flight options. Last updated on March 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco to Maine flights
Consider these flights traveling from San Francisco to Maine.
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$369 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$362 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$190 | Average$434 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$246 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$570 | FlexibilityNo cancel fee | On-time69% |