$121+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PWM
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Maine with Cheapflights
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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 July 9, 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 July 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 10/710:28 am
SFO
- PWM
1 stop10h 12m
American Airlines
Sat 10/177:00 am
PWM
- SFO
1 stop9h 22m
American Airlines
Deal found 7/7![American Airlines logo]()
$241
This Southwest deal was found by Cheapflights users on 7/9. 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.
Sat 9/510:30 pm
SFO
- PWM
1 stop9h 45m
Southwest
Sat 9/125:40 am
PWM
- SFO
1 stop8h 15m
Southwest
Deal found 7/9![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 7/6. 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.
Tue 8/257:55 pm
SFO
- PWM
2 stops11h 00m
Southwest
Wed 9/95:45 am
PWM
- SFO
1 stop8h 50m
Southwest
Deal found 7/6![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 7/7. 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.
Sun 9/2012:05 am
SFO
- PWM
1 stop7h 40m
Delta
Fri 9/254:20 pm
PWM
- SFO
1 stop11h 06m
Delta
Deal found 7/7![Delta logo]()
$281
This Southwest deal was found by Cheapflights users on 7/7. 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.
Mon 9/217:55 pm
SFO
- PWM
2 stops11h 00m
Southwest
Fri 9/255:55 am
PWM
- SFO
1 stop10h 05m
Southwest
Deal found 7/7![Southwest logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:59 pm
SFO
- BOS
1 stop11h 41m
JetBlue
Sun 9/279:35 pm
BOS
- SFO
Nonstop6h 28m
JetBlue
Deal found 7/8![JetBlue logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:16 pm
SFO
- BOS
1 stop9h 33m
Alaska Airlines
Tue 8/258:00 am
BOS
- SFO
1 stop10h 59m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$301
This JetBlue deal was found by Cheapflights users on 7/7. 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.
Tue 8/259:44 pm
SFO
- BOS
Nonstop5h 44m
JetBlue
Wed 8/2610:00 am
BOS
- SFO
Nonstop6h 33m
JetBlue
Deal found 7/7![JetBlue logo]()
$302
This JetBlue deal was found by Cheapflights users on 7/7. 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.
Tue 9/228:25 pm
SFO
- BOS
1 stop11h 21m
JetBlue
Fri 10/99:30 pm
BOS
- SFO
Nonstop6h 28m
JetBlue
Deal found 7/7![JetBlue logo]()
$303
This Southwest deal was found by Cheapflights users on 7/8. 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.
Fri 8/2812:30 pm
SFO
- BOS
1 stop8h 55m
Southwest
Wed 9/22:45 pm
BOS
- SFO
2 stops10h 20m
Southwest
Deal found 7/8![Southwest logo]()
$304
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:18 pm
SFO
- BOS
Nonstop5h 41m
JetBlue
Fri 8/285:01 am
BOS
- SFO
1 stop12h 07m
JetBlue
Deal found 7/8![JetBlue logo]()
$305
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/152:07 pm
SFO
- BOS
Nonstop5h 52m
United Airlines
Sat 8/226:42 pm
BOS
- SFO
1 stop8h 48m
United Airlines
Deal found 7/7![United Airlines logo]()
$306
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 July 9, 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 July 9, 2026.
This Southwest deal was found by Cheapflights users on 7/8. 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.
Sat 9/1910:30 pm
SFO
- PWM
1 stop9h 05m
Southwest
Sat 9/265:40 am
PWM
- SFO
1 stop8h 15m
Southwest
Deal found 7/8![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:15 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Tue 8/117:45 am
BOS
- SFO
Nonstop6h 28m
United Airlines
Deal found 7/4![United Airlines logo]()
$334
This JetBlue deal was found by Cheapflights users on 7/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:44 pm
SFO
- BOS
Nonstop5h 44m
JetBlue
Tue 8/182:45 pm
BOS
- SFO
1 stop12h 53m
JetBlue
Deal found 7/6![JetBlue logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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.
Sat 8/157:55 am
SFO
- BOS
1 stop18h 45m
Alaska Airlines
Thu 8/208:00 am
BOS
- SFO
1 stop9h 45m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 7/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
SFO
- BGR
2 stops14h 40m
Delta
Sat 8/294:55 pm
BGR
- SFO
1 stop7h 52m
Delta
Deal found 7/5![Delta logo]()
$409
This United deal was found by Cheapflights users on 7/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:15 pm
SFO
- AUG
1 stop15h 11m
Multiple Airlines
Thu 8/209:00 am
AUG
- SFO
1 stop27h 30m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$553
This Southwest deal was found by Cheapflights users on 7/7. 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.
Thu 9/1010:30 pm
SFO
- PWM
1 stop8h 20m
Southwest
Sat 9/125:40 am
PWM
- SFO
1 stop8h 15m
Southwest
Deal found 7/7![Southwest logo]()
$305
This Southwest deal was found by Cheapflights users on 7/7. 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.
Fri 8/71:30 pm
SFO
- BOS
1 stop8h 00m
Southwest
Mon 8/175:00 am
BOS
- SFO
1 stop8h 35m
Southwest
Deal found 7/7![Southwest logo]()
$314
This JetBlue deal was found by Cheapflights users on 7/9. 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 8/33:18 pm
SFO
- BOS
Nonstop5h 41m
JetBlue
Tue 8/116:35 am
BOS
- SFO
Nonstop6h 30m
JetBlue
Deal found 7/9![JetBlue logo]()
$352
This Southwest deal was found by Cheapflights users on 7/6. 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 9/27:40 am
SFO
- PWM
2 stops10h 30m
Southwest
Wed 9/95:45 am
PWM
- SFO
2 stops11h 20m
Southwest
Deal found 7/6![Southwest logo]()
$316
This JetBlue deal was found by Cheapflights users on 7/7. 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.
Tue 8/410:25 am
SFO
- PQI
1 stop8h 52m
JetBlue
Wed 9/235:50 am
PQI
- SFO
1 stop10h 59m
JetBlue
Deal found 7/7![JetBlue logo]()
$364
This Delta deal was found by Cheapflights users on 7/7. 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.
Fri 8/2812:12 am
SFO
- BGR
2 stops12h 53m
Delta
Sat 9/510:28 am
BGR
- SFO
2 stops16h 30m
Delta
Deal found 7/7![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 7/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
SFO
- BOS
1 stop7h 30m
Southwest
Wed 9/210:50 am
BOS
- SFO
2 stops11h 15m
Southwest
Deal found 7/5![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:35 pm
SFO
- BOS
1 stop7h 58m
United Airlines
Wed 10/75:45 am
BOS
- SFO
2 stops10h 27m
United Airlines
Deal found 7/4![United Airlines logo]()
$432
This JetBlue deal was found by Cheapflights users on 7/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:50 am
SFO
- PQI
1 stop11h 51m
JetBlue
Wed 9/235:50 am
PQI
- SFO
1 stop10h 59m
JetBlue
Deal found 7/5![JetBlue logo]()
$376
This Delta deal was found by Cheapflights users on 7/9. 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 8/214:55 pm
SFO
- BGR
2 stops13h 53m
Delta
Sun 8/234:22 pm
BGR
- SFO
1 stop11h 14m
Delta
Deal found 7/9![Delta logo]()
$435
This Southwest deal was found by Cheapflights users on 7/4. 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.
Wed 8/1211:05 pm
SFO
- BOS
2 stops12h 50m
Southwest
Mon 8/175:00 am
BOS
- SFO
1 stop8h 35m
Southwest
Deal found 7/4![Southwest logo]()
$362
This JetBlue deal was found by Cheapflights users on 7/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:59 pm
SFO
- PWM
1 stop9h 31m
JetBlue
Wed 9/22:40 pm
PWM
- SFO
1 stop10h 31m
JetBlue
Deal found 7/6![JetBlue logo]()
$435
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:35 pm
SFO
- PWM
1 stop9h 05m
United Airlines
Sun 10/47:50 am
PWM
- SFO
Nonstop6h 35m
United Airlines
Deal found 7/4![United Airlines logo]()
$528
This Southwest deal was found by Cheapflights users on 7/6. 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.
Sat 8/1511:05 pm
SFO
- BOS
2 stops10h 35m
Southwest
Sun 8/307:20 am
BOS
- SFO
1 stop9h 10m
Southwest
Deal found 7/6![Southwest logo]()
$367
This Orbitz deal was found by Cheapflights users on 7/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:16 pm
SFO
- AUG
2 stops14h 10m
Multiple Airlines
Mon 10/53:07 pm
AUG
- SFO
1 stop12h 56m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$624
This Southwest deal was found by Cheapflights users on 7/4. 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.
Wed 8/511:15 am
SFO
- BOS
1 stop10h 10m
Southwest
Tue 8/112:45 pm
BOS
- SFO
2 stops11h 30m
Southwest
Deal found 7/4![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 8/2212:35 am
SFO
- BGR
1 stop11h 00m
United Airlines
Fri 8/284:30 pm
BGR
- SFO
2 stops19h 07m
United Airlines
Deal found 7/8![United Airlines logo]()
$595
This Expedia deal was found by Cheapflights users on 7/9. 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 10/158:45 pm
SFO
- RKD
2 stops15h 47m
Multiple Airlines
Mon 10/1912:45 pm
RKD
- SFO
1 stop15h 13m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$659
This Southwest deal was found by Cheapflights users on 7/8. 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.
Tue 8/1110:30 pm
SFO
- PWM
1 stop8h 25m
Southwest
Fri 8/145:55 am
PWM
- SFO
1 stop10h 05m
Southwest
Deal found 7/8![Southwest logo]()
$393
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 7/146:00 am
SFO
- BGR
2 stops14h 22m
Delta
Sun 7/192:46 pm
BGR
- SFO
1 stop11h 03m
Delta
Deal found 7/6![Delta logo]()
$670
This Southwest deal was found by Cheapflights users on 7/4. 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.
Thu 8/2711:05 pm
SFO
- BOS
2 stops12h 50m
Southwest
Tue 9/110:50 am
BOS
- SFO
2 stops11h 15m
Southwest
Deal found 7/4![Southwest logo]()
$397
This Expedia deal was found by Cheapflights users on 7/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:50 am
SFO
- BHB
1 stop10h 13m
Multiple Airlines
Wed 10/77:05 am
BHB
- SFO
2 stops19h 26m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$704
This JetBlue deal was found by Cheapflights users on 7/7. 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.
Thu 7/3010:25 am
SFO
- PQI
1 stop8h 52m
JetBlue
Wed 8/55:50 am
PQI
- SFO
1 stop8h 44m
JetBlue
Deal found 7/7![JetBlue logo]()
$654
This Southwest deal was found by Cheapflights users on 7/4. 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.
Thu 8/610:50 am
SFO
- BOS
1 stop10h 35m
Southwest
Thu 8/137:30 am
BOS
- SFO
2 stops10h 10m
Southwest
Deal found 7/4![Southwest logo]()
$412
Last-minute flights from San Francisco to MaineDiscover last-minute flight deals from San Francisco to Maine. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Maine. Data last updated July 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:23 pm
SFO
- BOS
1 stop8h 01m
American Airlines
Wed 8/125:27 am
BOS
- SFO
1 stop9h 01m
American Airlines
Deal found 7/9![American Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/152:07 pm
SFO
- BOS
Nonstop5h 52m
United Airlines
Sat 8/226:42 pm
BOS
- SFO
1 stop8h 48m
United Airlines
Deal found 7/7![United Airlines logo]()
$306
This Expedia deal was found by Cheapflights users on 7/9. 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.
Sun 8/167:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Mon 8/2412:45 pm
BOS
- SFO
1 stop9h 18m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$303
This JetBlue deal was found by Cheapflights users on 7/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
SFO
- BOS
Nonstop5h 41m
JetBlue
Mon 8/176:50 pm
BOS
- SFO
Nonstop6h 41m
JetBlue
Deal found 7/5![JetBlue logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 8/184:24 pm
SFO
- BOS
1 stop10h 16m
Multiple Airlines
Mon 8/2412:45 pm
BOS
- SFO
1 stop9h 18m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$300
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:18 pm
SFO
- BOS
Nonstop5h 41m
JetBlue
Fri 8/285:01 am
BOS
- SFO
1 stop12h 07m
JetBlue
Deal found 7/8![JetBlue logo]()
$305
This CheapOair deal was found by Cheapflights users on 7/9. 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 8/1910:35 pm
SFO
- BOS
1 stop10h 12m
Multiple Airlines
Fri 9/44:55 pm
BOS
- SFO
1 stop10h 43m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$310
This JetBlue deal was found by Cheapflights users on 7/7. 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.
Mon 8/243:18 pm
SFO
- BOS
Nonstop5h 41m
JetBlue
Wed 8/2612:44 pm
BOS
- SFO
1 stop12h 27m
JetBlue
Deal found 7/7![JetBlue logo]()
$308
This Southwest deal was found by Cheapflights users on 7/6. 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.
Tue 8/257:55 pm
SFO
- PWM
2 stops11h 00m
Southwest
Wed 9/95:45 am
PWM
- SFO
1 stop8h 50m
Southwest
Deal found 7/6![Southwest logo]()
$247
This JetBlue deal was found by Cheapflights users on 7/7. 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.
Tue 8/259:44 pm
SFO
- BOS
Nonstop5h 44m
JetBlue
Wed 8/2610:00 am
BOS
- SFO
Nonstop6h 33m
JetBlue
Deal found 7/7![JetBlue logo]()
$302
This Southwest deal was found by Cheapflights users on 7/8. 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 8/2611:05 pm
SFO
- BOS
2 stops12h 50m
Southwest
Mon 8/312:15 pm
BOS
- SFO
2 stops10h 40m
Southwest
Deal found 7/8![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 7/8. 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.
Fri 8/2812:30 pm
SFO
- BOS
1 stop8h 55m
Southwest
Wed 9/22:45 pm
BOS
- SFO
2 stops10h 20m
Southwest
Deal found 7/8![Southwest logo]()
$304
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 July 9, 2026.
Search for one-way flight options from San Francisco to Maine. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Southwest deal was found by Cheapflights users on 7/8. 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.
Mon 9/2810:30 pm
SFO
- PWM
1 stop8h 25m
Southwest
Deal found 7/8![Southwest logo]()
$121
This JetBlue deal was found by Cheapflights users on 7/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:50 am
SFO
- PWM
1 stop9h 02m
JetBlue
Deal found 7/6![JetBlue logo]()
$130
This Southwest deal was found by Cheapflights users on 7/7. 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.
Fri 9/1810:30 pm
SFO
- PWM
1 stop8h 25m
Southwest
Deal found 7/7![Southwest logo]()
$153
This Super.com deal was found by Cheapflights users on 7/9. 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.
Mon 7/2711:00 pm
SFO
- BOS
1 stop8h 57m
Frontier
Deal found 7/9![Frontier logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 7/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:40 pm
SFO
- BOS
1 stop9h 41m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$159
This SmartFares deal was found by Cheapflights users on 7/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:00 pm
SFO
- BOS
Nonstop5h 46m
Delta
Deal found 7/7![Delta logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:30 pm
SFO
- BOS
2 stops13h 35m
Frontier
Deal found 7/9![Frontier logo]()
$161
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:38 pm
SFO
- BOS
1 stop7h 51m
United Airlines
Deal found 7/6![United Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:07 pm
SFO
- BOS
2 stops32h 02m
Frontier
Deal found 7/9![Frontier logo]()
$163
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 7/252:29 pm
SFO
- BOS
1 stop7h 45m
United Airlines
Deal found 7/8![United Airlines logo]()
$164
This Mytrip deal was found by Cheapflights users on 7/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:55 am
SFO
- BOS
1 stop18h 45m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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.
Fri 10/237:59 am
SFO
- BOS
Nonstop6h 00m
JetBlue
Deal found 7/6![JetBlue logo]()
$166
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 July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (American Airlines) |
One-way from | $121 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $608 |
Good round-trip deal | $349 or less |
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 July 9, 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 FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Sat 9/19
10:30 pm-10:35 am
1 stop9h 05m
Portland
Sat 9/26
5:40 am-10:55 am
1 stop8h 15m
$305
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Thu 9/10
10:30 pm-9:50 am
1 stop8h 20m
Portland
Sat 9/12
5:40 am-10:55 am
1 stop8h 15m
$305
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Fri 8/7
1:30 pm-12:30 am
1 stop8h 00m
Boston Logan Intl
Mon 8/17
5:00 am-10:35 am
1 stop8h 35m
$314
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Wed 9/2
7:40 am-9:10 pm
2 stops10h 30m
Portland
Wed 9/9
5:45 am-2:05 pm
2 stops11h 20m
$316
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sat 8/29
8:00 am-6:30 pm
1 stop7h 30m
Boston Logan Intl
Wed 9/2
10:50 am-7:05 pm
2 stops11h 15m
$316
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 8/5
4:15 pm-1:11 am
Nonstop5h 56m
Boston Logan Intl
Tue 8/11
7:45 am-11:13 am
Nonstop6h 28m
$334
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sun 8/9
9:44 pm-6:28 am
Nonstop5h 44m
Boston Logan Intl
Tue 8/18
2:45 pm-12:38 am
1 stop12h 53m
$344
Quickest round-trip
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Mon 8/3
3:18 pm-11:59 pm
Nonstop5h 41m
Boston Logan Intl
Tue 8/11
6:35 am-10:05 am
Nonstop6h 30m
$352
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 8/12
11:05 pm-2:55 pm
2 stops12h 50m
Boston Logan Intl
Mon 8/17
5:00 am-10:35 am
1 stop8h 35m
$362
San FranciscoPresque Isle
SFO - PQI
SFOPQI
San Francisco
Tue 8/4
10:25 am-10:17 pm
1 stop8h 52m
Presque Isle
Wed 9/23
5:50 am-1:49 pm
1 stop10h 59m
$364
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-PWM
SFO-BOS
SFO-BGR
SFO-AUG
SFO-PQI
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-PWM
SFO-BOS
SFO-BGR
SFO-AUG
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 $128). 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.
What is the cheapest time of day to fly from SFO to ME?
Find hourly flight availability from San Francisco to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 9, 2026.
When flying from San Francisco to Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip 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 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 July 9, 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.
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
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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 July 9, 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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$533 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$484 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$362 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$293 | Average$439 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$331 | Average$596 | FlexibilityNo cancel fee | On-time69% |