$159+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PWM
Jun 9 — Jun 161
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 May 10, 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 May 10, 2026.
This JetBlue deal was found by Cheapflights users on 5/5. 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.
Tue 8/1110:17 pm
SFO
- BOS
Nonstop5h 43m
JetBlue
Thu 8/206:50 pm
BOS
- SFO
Nonstop6h 42m
JetBlue
Deal found 5/5![JetBlue logo]()
$307
This Expedia deal was found by Cheapflights users on 5/6. 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 5/277:20 am
SFO
- BOS
1 stop19h 24m
Multiple Airlines
Fri 5/297:13 am
BOS
- SFO
Nonstop6h 40m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$308
This Expedia deal was found by Cheapflights users on 5/6. 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.
Fri 5/291:08 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Mon 6/112:01 pm
BOS
- SFO
1 stop10h 56m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$309
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Thu 8/136:00 am
BOS
- SFO
1 stop16h 13m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$310
This Orbitz deal was found by Cheapflights users on 5/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Wed 7/1512:04 pm
BOS
- SFO
1 stop10h 09m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 6/19:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Wed 6/107:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 5/7![United Airlines logo]()
$312
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:00 am
SFO
- BOS
1 stop20h 40m
Multiple Airlines
Wed 6/248:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$313
This Orbitz deal was found by Cheapflights users on 5/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:59 pm
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Tue 6/98:05 am
BOS
- SFO
1 stop11h 56m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$314
This Expedia deal was found by Cheapflights users on 5/7. 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.
Tue 7/147:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Tue 7/219:14 am
BOS
- SFO
1 stop12h 59m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$315
This Orbitz deal was found by Cheapflights users on 5/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:58 pm
SFO
- BOS
1 stop8h 22m
Multiple Airlines
Wed 5/2712:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$316
This JetBlue deal was found by Cheapflights users on 5/6. 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.
Tue 6/23:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Sat 6/69:15 pm
BOS
- SFO
Nonstop6h 42m
JetBlue
Deal found 5/6![JetBlue logo]()
$317
This Expedia deal was found by Cheapflights users on 5/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Tue 6/28:15 am
BOS
- SFO
Nonstop6h 43m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$318
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 May 10, 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 May 10, 2026.
This JetBlue deal was found by Cheapflights users on 5/9. 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 8/1711:44 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Wed 8/198:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Deal found 5/9![JetBlue logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Fri 6/56:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Mon 6/86:40 pm
BOS
- SFO
1 stop17h 53m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 5/5. 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 9/1910:30 pm
SFO
- PWM
1 stop9h 05m
Southwest
Sat 9/263:40 pm
PWM
- SFO
1 stop7h 55m
Southwest
Deal found 5/5![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 5/7. 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.
Mon 8/1712:12 am
SFO
- PWM
1 stop7h 33m
Delta
Tue 8/256:05 am
PWM
- SFO
1 stop8h 50m
Delta
Deal found 5/7![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 5/6. 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 8/1110:50 pm
SFO
- BGR
2 stops10h 11m
American Airlines
Mon 8/1712:41 pm
BGR
- SFO
2 stops12h 37m
American Airlines
Deal found 5/6![American Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:30 pm
SFO
- PWM
1 stop7h 42m
United Airlines
Sun 9/67:50 am
PWM
- SFO
Nonstop6h 33m
United Airlines
Deal found 5/5![United Airlines logo]()
$469
This JetBlue deal was found by Cheapflights users on 5/9. 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.
Sun 5/246:00 am
SFO
- BOS
Nonstop5h 41m
JetBlue
Fri 5/299:27 pm
BOS
- SFO
Nonstop6h 39m
JetBlue
Deal found 5/9![JetBlue logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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.
Tue 8/117:55 am
SFO
- BOS
1 stop18h 45m
Alaska Airlines
Wed 8/124:33 pm
BOS
- SFO
1 stop9h 35m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 5/7. 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.
Tue 8/186:35 am
SFO
- PWM
2 stops11h 35m
Southwest
Tue 8/255:45 am
PWM
- SFO
2 stops11h 20m
Southwest
Deal found 5/7![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:53 am
SFO
- BGR
2 stops12h 47m
Delta
Tue 8/255:20 am
BGR
- SFO
2 stops10h 49m
Delta
Deal found 5/10![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 5/8. 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 9/217:25 pm
SFO
- PWM
2 stops11h 30m
Southwest
Wed 9/235:45 am
PWM
- SFO
2 stops11h 55m
Southwest
Deal found 5/8![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/307:05 am
SFO
- BOS
Nonstop5h 56m
Delta
Sat 6/67:35 am
BOS
- SFO
Nonstop6h 42m
Delta
Deal found 5/8![Delta logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Mon 6/86:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Thu 6/116:03 am
BOS
- SFO
1 stop9h 36m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 5/7. 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.
Tue 10/139:30 pm
SFO
- BGR
2 stops13h 51m
Delta
Sat 10/176:00 am
BGR
- SFO
2 stops16h 37m
Delta
Deal found 5/7![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 5/8. 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 5/269:15 pm
SFO
- BOS
1 stop9h 30m
Southwest
Tue 6/211:40 am
BOS
- SFO
2 stops11h 15m
Southwest
Deal found 5/8![Southwest logo]()
$402
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:18 am
SFO
- BGR
1 stop10h 36m
American Airlines
Tue 8/1112:46 pm
BGR
- SFO
1 stop10h 05m
American Airlines
Deal found 5/5![American Airlines logo]()
$493
This Orbitz deal was found by Cheapflights users on 5/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:25 pm
SFO
- BHB
2 stops16h 58m
Multiple Airlines
Sat 9/197:00 am
BHB
- SFO
2 stops12h 34m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,012
This Delta deal was found by Cheapflights users on 5/9. 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 7/612:35 am
SFO
- PWM
1 stop7h 07m
Delta
Tue 7/216:00 am
PWM
- SFO
1 stop9h 19m
Delta
Deal found 5/9![Delta logo]()
$393
This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 7/299:10 pm
SFO
- BOS
1 stop8h 00m
Southwest
Wed 8/198:15 am
BOS
- SFO
2 stops11h 10m
Southwest
Deal found 5/5![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:15 am
SFO
- BGR
2 stops14h 18m
Delta
Tue 6/24:27 pm
BGR
- SFO
1 stop9h 01m
Delta
Deal found 5/10![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 5/5. 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.
Fri 7/108:45 am
SFO
- BOS
1 stop11h 20m
Southwest
Tue 7/143:45 pm
BOS
- SFO
2 stops10h 30m
Southwest
Deal found 5/5![Southwest logo]()
$414
This JetBlue deal was found by Cheapflights users on 5/5. 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.
Wed 9/210:25 am
SFO
- PQI
1 stop8h 52m
JetBlue
Sat 9/55:50 am
PQI
- SFO
1 stop11h 04m
JetBlue
Deal found 5/5![JetBlue logo]()
$554
This Delta deal was found by Cheapflights users on 5/6. 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.
Thu 8/203:00 pm
SFO
- BOS
Nonstop5h 41m
Delta
Mon 8/248:55 pm
BOS
- SFO
Nonstop6h 38m
Delta
Deal found 5/6![Delta logo]()
$412
This Southwest deal was found by Cheapflights users on 5/5. 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.
Tue 6/3010:50 pm
SFO
- BOS
2 stops10h 20m
Southwest
Tue 7/215:30 pm
BOS
- SFO
1 stop9h 40m
Southwest
Deal found 5/5![Southwest logo]()
$420
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 6/277:50 am
SFO
- BGR
1 stop10h 59m
American Airlines
Wed 7/17:19 am
BGR
- SFO
2 stops11h 47m
American Airlines
Deal found 5/9![American Airlines logo]()
$645
This JetBlue deal was found by Cheapflights users on 5/6. 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.
Tue 9/111:44 pm
SFO
- AUG
1 stop9h 07m
JetBlue
Wed 9/23:15 pm
AUG
- SFO
1 stop10h 17m
JetBlue
Deal found 5/6![JetBlue logo]()
$595
This Delta deal was found by Cheapflights users on 5/6. 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.
Fri 7/313:00 pm
SFO
- BOS
Nonstop5h 41m
Delta
Tue 8/117:35 am
BOS
- SFO
Nonstop6h 34m
Delta
Deal found 5/6![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 5/9. 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 9/178:30 am
SFO
- PWM
2 stops10h 55m
Southwest
Sun 9/206:10 am
PWM
- SFO
1 stop10h 00m
Southwest
Deal found 5/9![Southwest logo]()
$433
This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
SFO
- AUG
1 stop9h 50m
JetBlue
Tue 8/183:15 pm
AUG
- SFO
1 stop12h 16m
JetBlue
Deal found 5/7![JetBlue logo]()
$601
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/286:00 am
SFO
- BGR
2 stops14h 33m
Delta
Sat 6/66:00 am
BGR
- SFO
2 stops11h 15m
Delta
Deal found 5/5![Delta logo]()
$434
Last-minute flights from San Francisco to MaineDiscover last-minute flight deals from San Francisco to Maine. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Maine. Data last updated May 10, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 5/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:58 pm
SFO
- BOS
1 stop8h 22m
Multiple Airlines
Wed 5/2712:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$316
This Expedia deal was found by Cheapflights users on 5/6. 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 5/277:20 am
SFO
- BOS
1 stop19h 24m
Multiple Airlines
Fri 5/297:13 am
BOS
- SFO
Nonstop6h 40m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$308
This Expedia deal was found by Cheapflights users on 5/6. 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.
Fri 5/291:08 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Mon 6/112:01 pm
BOS
- SFO
1 stop10h 56m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$309
This Expedia deal was found by Cheapflights users on 5/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Tue 6/28:15 am
BOS
- SFO
Nonstop6h 43m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$318
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Tue 6/29:12 am
BOS
- SFO
1 stop13h 45m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$310
This CheapOair deal was found by Cheapflights users on 5/6. 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 5/303:10 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Mon 6/812:01 pm
BOS
- SFO
1 stop10h 56m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 6/19:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Wed 6/107:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 5/7![United Airlines logo]()
$312
This Orbitz deal was found by Cheapflights users on 5/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:59 pm
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Tue 6/98:05 am
BOS
- SFO
1 stop11h 56m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 5/7. 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 6/22:06 pm
SFO
- BOS
1 stop8h 08m
United Airlines
Tue 6/97:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 5/7![United Airlines logo]()
$307
This JetBlue deal was found by Cheapflights users on 5/7. 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 6/29:31 pm
SFO
- BOS
Nonstop5h 44m
JetBlue
Sat 6/62:40 pm
BOS
- SFO
Nonstop6h 40m
JetBlue
Deal found 5/7![JetBlue logo]()
$317
This Orbitz deal was found by Cheapflights users on 5/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Wed 7/1512:04 pm
BOS
- SFO
1 stop10h 09m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$311
This Expedia deal was found by Cheapflights users on 5/9. 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 6/167:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Tue 6/238:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$313
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 May 10, 2026.
Search for one-way flight options from San Francisco to Maine. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:35 pm
SFO
- BOS
1 stop8h 04m
United Airlines
Deal found 5/5![United Airlines logo]()
$159
This SmartFares deal was found by Cheapflights users on 5/7. 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.
Sat 6/64:44 pm
SFO
- BOS
1 stop10h 00m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$160
This Super.com deal was found by Cheapflights users on 5/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:17 pm
SFO
- BOS
Nonstop5h 43m
JetBlue
Deal found 5/8![JetBlue logo]()
$162
This Jetabroad deal was found by Cheapflights users on 5/5. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:19 pm
SFO
- BOS
Nonstop5h 40m
JetBlue
Deal found 5/5![JetBlue logo]()
$163
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/3010:35 pm
SFO
- BOS
1 stop7h 37m
United Airlines
Deal found 5/8![United Airlines logo]()
$164
This Super.com deal was found by Cheapflights users on 5/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 5/7![JetBlue logo]()
$167
This Delta deal was found by Cheapflights users on 5/9. 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 7/2010:10 pm
SFO
- BOS
Nonstop5h 35m
Delta
Deal found 5/9![Delta logo]()
$168
This Delta deal was found by Cheapflights users on 5/8. 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 6/19:54 pm
SFO
- BOS
Nonstop5h 51m
Delta
Deal found 5/8![Delta logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/910:58 pm
SFO
- BOS
2 stops23h 29m
Frontier
Deal found 5/6![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:24 pm
SFO
- BOS
1 stop10h 16m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$173
This United Airlines deal was found by Cheapflights users on 5/8. 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 6/810:35 pm
SFO
- BOS
1 stop7h 54m
United Airlines
Deal found 5/8![United Airlines logo]()
$174
This JetBlue deal was found by Cheapflights users on 5/8. 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.
Thu 5/283:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 5/8![JetBlue logo]()
$175
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (JetBlue) |
One-way from | $159 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $435 |
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 May 10, 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
Mon 8/17
11:44 pm-8:26 am
Nonstop5h 42m
Boston Logan Intl
Wed 8/19
8:55 pm-12:31 am
Nonstop6h 36m
$322
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Fri 6/5
6:16 am-5:44 am
1 stop20h 28m
Boston Logan Intl
Mon 6/8
6:40 pm-9:33 am
1 stop17h 53m
$347
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sun 5/24
6:00 am-2:41 pm
Nonstop5h 41m
Boston Logan Intl
Fri 5/29
9:27 pm-1:06 am
Nonstop6h 39m
$347
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 8/11
7:55 am-5:40 am
1 stop18h 45m
Boston Logan Intl
Wed 8/12
4:33 pm-11:08 pm
1 stop9h 35m
$360
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Sat 9/19
10:30 pm-10:35 am
1 stop9h 05m
Portland
Sat 9/26
3:40 pm-8:35 pm
1 stop7h 55m
$369
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Mon 8/17
12:12 am-10:45 am
1 stop7h 33m
Portland
Tue 8/25
6:05 am-11:55 am
1 stop8h 50m
$379
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Tue 8/18
6:35 am-9:10 pm
2 stops11h 35m
Portland
Tue 8/25
5:45 am-2:05 pm
2 stops11h 20m
$379
San FranciscoBangor
SFO - BGR
SFOBGR
San Francisco
Tue 8/18
7:53 am-11:40 pm
2 stops12h 47m
Bangor
Tue 8/25
5:20 am-1:09 pm
2 stops10h 49m
$379
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Mon 9/21
7:25 pm-9:55 am
2 stops11h 30m
Portland
Wed 9/23
5:45 am-2:40 pm
2 stops11h 55m
$379
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sat 5/30
7:05 am-4:01 pm
Nonstop5h 56m
Boston Logan Intl
Sat 6/6
7:35 am-11:17 am
Nonstop6h 42m
$388
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-BHB
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-BOS
SFO-PWM
SFO-BGR
SFO-BHB
How far ahead should I book a flight from San Francisco to Maine?
The price you pay for your flight from San Francisco to Maine may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to Maine?
Currently, July is the cheapest month in which you can book a flight from San Francisco to Maine (average of $138). Flying from San Francisco to Maine in April is currently the most expensive (average of $346). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Francisco to Maine?
Reviews of airlines servicing Maine
Get insights into the airlines that provide service to Maine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maine. Reviews last updated May 10, 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.
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
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.
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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 May 10, 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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$246 | Average$505 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$291 | Average$346 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$293 | Average$550 | FlexibilityNo cancel fee | On-time69% |