$129+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PWM
May 24 — May 311
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 April 24, 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 April 24, 2026.
This Southwest deal was found by Cheapflights users on 4/20. 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 8/2510:30 pm
SFO
- PWM
1 stop8h 25m
Southwest
Wed 9/95:45 am
PWM
- SFO
1 stop8h 50m
Southwest
Deal found 4/20![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 4/22. 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 6/712:48 am
SFO
- PWM
1 stop6h 55m
Delta
Wed 6/176:00 am
PWM
- SFO
1 stop8h 45m
Delta
Deal found 4/22![Delta logo]()
$257
This CheapOair deal was found by Cheapflights users on 4/21. 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 7/711:48 pm
SFO
- BOS
Nonstop5h 40m
Multiple Airlines
Thu 7/99:12 am
BOS
- SFO
1 stop13h 13m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$284
This Expedia deal was found by Cheapflights users on 4/21. 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 5/164:44 pm
SFO
- BOS
1 stop10h 00m
Multiple Airlines
Sat 5/239:27 pm
BOS
- SFO
Nonstop6h 39m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 4/22. 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 6/2112:48 am
SFO
- PWM
1 stop6h 55m
Delta
Thu 6/2511:48 am
PWM
- SFO
1 stop8h 27m
Delta
Deal found 4/22![Delta logo]()
$288
This Southwest deal was found by Cheapflights users on 4/20. 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 9/96:00 pm
SFO
- BOS
1 stop9h 00m
Southwest
Mon 9/145:00 am
BOS
- SFO
1 stop8h 35m
Southwest
Deal found 4/20![Southwest logo]()
$288
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Mon 5/183:20 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Sat 5/3012:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:44 pm
SFO
- BOS
1 stop10h 00m
Alaska Airlines
Tue 6/98:05 am
BOS
- SFO
1 stop12h 56m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$290
This Expedia deal was found by Cheapflights users on 4/20. 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 5/286:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Wed 6/312:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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.
Sat 5/233:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Wed 5/279:27 pm
BOS
- SFO
Nonstop6h 39m
JetBlue
Deal found 4/20![JetBlue logo]()
$292
This Expedia deal was found by Cheapflights users on 4/21. 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 5/196:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Tue 6/238:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$293
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Thu 7/911:44 pm
SFO
- BOS
Nonstop5h 42m
Multiple Airlines
Sat 7/116:00 am
BOS
- SFO
1 stop16h 25m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$294
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 April 24, 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 April 24, 2026.
This Delta deal was found by Cheapflights users on 4/20. 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 7/512:48 am
SFO
- PWM
1 stop6h 55m
Delta
Fri 7/1012:42 pm
PWM
- SFO
1 stop8h 32m
Delta
Deal found 4/20![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 4/22. 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 8/2610:35 pm
SFO
- BOS
1 stop7h 48m
United Airlines
Sun 8/306:00 am
BOS
- SFO
Nonstop6h 30m
United Airlines
Deal found 4/22![United Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 5/236:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Tue 6/28:05 am
BOS
- SFO
1 stop11h 56m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 4/23. 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 8/177:45 pm
SFO
- BOS
2 stops10h 45m
Southwest
Sun 8/238:00 am
BOS
- SFO
1 stop15h 40m
Southwest
Deal found 4/23![Southwest logo]()
$388
This JetBlue deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:00 pm
SFO
- BOS
Nonstop5h 44m
JetBlue
Sat 5/304:40 pm
BOS
- SFO
1 stop10h 53m
JetBlue
Deal found 4/23![JetBlue logo]()
$394
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/1111:59 pm
SFO
- BGR
2 stops11h 34m
American Airlines
Fri 5/153:15 pm
BGR
- SFO
1 stop11h 00m
American Airlines
Deal found 4/24![American Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/75:30 am
SFO
- BOS
1 stop7h 46m
United Airlines
Mon 5/118:15 pm
BOS
- SFO
Nonstop6h 43m
United Airlines
Deal found 4/23![United Airlines logo]()
$357
This Expedia deal was found by Cheapflights users on 4/19. 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 10/16:58 pm
SFO
- BHB
2 stops16h 22m
Multiple Airlines
Tue 10/67:00 am
BHB
- SFO
2 stops12h 23m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$747
This Delta deal was found by Cheapflights users on 4/21. 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 9/232:50 pm
SFO
- BOS
Nonstop5h 51m
Delta
Mon 9/288:55 pm
BOS
- SFO
Nonstop7h 01m
Delta
Deal found 4/21![Delta logo]()
$383
This Southwest deal was found by Cheapflights users on 4/22. 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 5/2610:40 pm
SFO
- PWM
2 stops10h 40m
Southwest
Tue 6/23:55 pm
PWM
- SFO
1 stop8h 30m
Southwest
Deal found 4/22![Southwest logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Sun 6/76:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Mon 6/157:44 pm
BOS
- SFO
1 stop16h 36m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 4/21. 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 6/51:00 pm
SFO
- BOS
Nonstop5h 50m
Delta
Fri 6/128:50 pm
BOS
- SFO
Nonstop6h 43m
Delta
Deal found 4/21![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/22. 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 7/71:00 pm
SFO
- PWM
1 stop7h 51m
United Airlines
Tue 7/147:16 pm
PWM
- SFO
1 stop8h 59m
United Airlines
Deal found 4/22![United Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 4/20. 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 7/2011:40 pm
SFO
- BOS
1 stop9h 35m
Southwest
Wed 7/223:45 pm
BOS
- SFO
2 stops10h 40m
Southwest
Deal found 4/20![Southwest logo]()
$407
This Delta deal was found by Cheapflights users on 4/22. 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 5/65:50 am
SFO
- PWM
1 stop7h 07m
Delta
Wed 5/276:00 am
PWM
- SFO
1 stop8h 48m
Delta
Deal found 4/22![Delta logo]()
$398
This Southwest deal was found by Cheapflights users on 4/24. 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 7/1510:30 am
SFO
- BOS
2 stops11h 15m
Southwest
Fri 7/174:45 pm
BOS
- SFO
1 stop10h 25m
Southwest
Deal found 4/24![Southwest logo]()
$422
This American Airlines deal was found by Cheapflights users on 4/20. 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 7/1411:49 pm
SFO
- BGR
1 stop10h 39m
American Airlines
Sun 7/194:49 pm
BGR
- SFO
1 stop9h 10m
American Airlines
Deal found 4/20![American Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 4/20. 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 6/2211:59 pm
SFO
- BGR
1 stop8h 05m
United Airlines
Mon 6/296:00 am
BGR
- SFO
1 stop8h 44m
United Airlines
Deal found 4/20![United Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 4/23. 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 7/511:38 am
SFO
- PWM
1 stop8h 37m
Delta
Wed 7/1511:47 am
PWM
- SFO
1 stop8h 25m
Delta
Deal found 4/23![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 4/21. 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 6/1710:50 am
SFO
- BOS
1 stop9h 10m
Southwest
Thu 6/254:45 pm
BOS
- SFO
2 stops10h 45m
Southwest
Deal found 4/21![Southwest logo]()
$422
This JetBlue deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:20 am
SFO
- PQI
1 stop7h 54m
JetBlue
Tue 5/55:50 am
PQI
- SFO
1 stop11h 40m
JetBlue
Deal found 4/21![JetBlue logo]()
$567
This Southwest deal was found by Cheapflights users on 4/22. 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 5/1510:55 pm
SFO
- PWM
2 stops10h 00m
Southwest
Sat 8/225:40 am
PWM
- SFO
2 stops13h 10m
Southwest
Deal found 4/22![Southwest logo]()
$423
This United Airlines deal was found by Cheapflights users on 4/20. 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 9/129:15 pm
SFO
- BGR
1 stop10h 48m
United Airlines
Thu 9/174:15 pm
BGR
- SFO
1 stop9h 41m
United Airlines
Deal found 4/20![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 4/22. 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 6/25:05 am
BGR
- SFO
2 stops12h 10m
Delta
Deal found 4/22![Delta logo]()
$441
This Southwest deal was found by Cheapflights users on 4/22. 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 7/75:10 am
SFO
- PWM
1 stop13h 20m
Southwest
Tue 7/145:30 am
PWM
- SFO
2 stops11h 10m
Southwest
Deal found 4/22![Southwest logo]()
$427
This KAYAK deal was found by Cheapflights users on 4/22. 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.
Fri 7/1011:44 pm
SFO
- AUG
1 stop9h 07m
JetBlue
Wed 7/153:15 pm
AUG
- SFO
1 stop12h 16m
JetBlue
Deal found 4/22![JetBlue logo]()
$671
This Delta deal was found by Cheapflights users on 4/23. 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 5/1611:59 pm
SFO
- PWM
1 stop10h 11m
Delta
Sat 8/226:00 am
PWM
- SFO
1 stop10h 21m
Delta
Deal found 4/23![Delta logo]()
$465
This Southwest deal was found by Cheapflights users on 4/20. 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 6/2911:40 pm
SFO
- BOS
2 stops11h 05m
Southwest
Tue 7/143:45 pm
BOS
- SFO
2 stops10h 30m
Southwest
Deal found 4/20![Southwest logo]()
$427
This Expedia deal was found by Cheapflights users on 4/21. 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 5/276:58 pm
SFO
- AUG
2 stops13h 53m
Multiple Airlines
Sun 5/3112:50 pm
AUG
- SFO
1 stop15h 16m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$780
This JetBlue deal was found by Cheapflights users on 4/20. 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 5/57:00 am
SFO
- AUG
1 stop8h 50m
JetBlue
Sat 5/93:29 pm
AUG
- SFO
1 stop11h 30m
JetBlue
Deal found 4/20![JetBlue logo]()
$673
Last-minute flights from San Francisco to MaineDiscover last-minute flight deals from San Francisco to Maine. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Maine. Data last updated April 24, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/20. 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.
Mon 5/48:45 pm
SFO
- BOS
Nonstop5h 42m
Multiple Airlines
Wed 5/612:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$284
This Expedia deal was found by Cheapflights users on 4/21. 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 5/164:44 pm
SFO
- BOS
1 stop10h 00m
Multiple Airlines
Sat 5/239:27 pm
BOS
- SFO
Nonstop6h 39m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$287
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Mon 5/183:20 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Sat 5/3012:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$289
This Expedia deal was found by Cheapflights users on 4/21. 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 5/196:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Tue 6/238:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$293
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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.
Sat 5/233:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Wed 5/279:27 pm
BOS
- SFO
Nonstop6h 39m
JetBlue
Deal found 4/20![JetBlue logo]()
$292
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com 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
Sat 5/3012:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 5/236:58 pm
SFO
- BOS
1 stop8h 22m
Alaska Airlines
Tue 6/28:05 am
BOS
- SFO
1 stop11h 56m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 5/275:41 pm
SFO
- BOS
1 stop9h 03m
Alaska Airlines
Thu 5/288:05 am
BOS
- SFO
1 stop11h 56m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$296
This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Mon 6/112:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$298
This Expedia deal was found by Cheapflights users on 4/20. 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 5/286:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Wed 6/312:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 5/286:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Tue 6/28:05 am
BOS
- SFO
1 stop11h 56m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$299
This Expedia deal was found by Cheapflights users on 4/20. 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
Mon 6/112:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$294
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 April 24, 2026.
Search for one-way flight options from San Francisco to Maine. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Delta deal was found by Cheapflights users on 4/20. 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 5/1311:41 am
SFO
- PWM
1 stop8h 31m
Delta
Deal found 4/20![Delta logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/189:56 pm
SFO
- BOS
2 stops34h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/58:43 pm
SFO
- BOS
2 stops25h 41m
Frontier
Deal found 4/20![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1911:59 pm
SFO
- BOS
2 stops20h 55m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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.
Mon 8/1710:17 pm
SFO
- BOS
Nonstop5h 43m
JetBlue
Deal found 4/20![JetBlue logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/111:59 pm
SFO
- BOS
2 stops22h 25m
Frontier
Deal found 4/23![Frontier logo]()
$157
This Southwest deal was found by Cheapflights users on 4/20. 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 8/299:25 am
SFO
- BOS
1 stop7h 25m
Southwest
Deal found 4/20![Southwest logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 5/236:58 pm
SFO
- BOS
1 stop8h 22m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 4/20. 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 5/305:50 am
SFO
- PWM
1 stop7h 17m
Delta
Deal found 4/20![Delta logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/1910:15 pm
SFO
- BOS
1 stop24h 09m
Frontier
Deal found 4/20![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/48:16 pm
SFO
- BOS
2 stops26h 08m
Frontier
Deal found 4/20![Frontier logo]()
$163
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 5/510:25 am
SFO
- BOS
1 stop10h 34m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$164
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Southwest) |
One-way from | $129 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $579 |
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 April 24, 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
Sun 7/5
12:48 am-10:43 am
1 stop6h 55m
Portland
Fri 7/10
12:42 pm-6:14 pm
1 stop8h 32m
$306
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 8/26
10:35 pm-9:23 am
1 stop7h 48m
Boston Logan Intl
Sun 8/30
6:00 am-9:30 am
Nonstop6h 30m
$317
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sat 5/23
6:16 am-5:44 am
1 stop20h 28m
Boston Logan Intl
Tue 6/2
8:05 am-5:01 pm
1 stop11h 56m
$319
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Thu 5/7
5:30 am-4:16 pm
1 stop7h 46m
Boston Logan Intl
Mon 5/11
8:15 pm-11:58 pm
Nonstop6h 43m
$357
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 9/23
2:50 pm-11:41 pm
Nonstop5h 51m
Boston Logan Intl
Mon 9/28
8:55 pm-12:56 am
Nonstop7h 01m
$383
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Mon 8/17
7:45 pm-9:30 am
2 stops10h 45m
Boston Logan Intl
Sun 8/23
8:00 am-8:40 pm
1 stop15h 40m
$388
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Tue 5/26
10:40 pm-12:20 pm
2 stops10h 40m
Portland
Tue 6/2
3:55 pm-9:25 pm
1 stop8h 30m
$390
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sat 5/23
9:00 pm-5:44 am
Nonstop5h 44m
Boston Logan Intl
Sat 5/30
4:40 pm-12:33 am
1 stop10h 53m
$394
Quickest round-trip
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Fri 6/5
1:00 pm-9:50 pm
Nonstop5h 50m
Boston Logan Intl
Fri 6/12
8:50 pm-12:33 am
Nonstop6h 43m
$397
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Wed 5/6
5:50 am-3:57 pm
1 stop7h 07m
Portland
Wed 5/27
6:00 am-11:48 am
1 stop8h 48m
$398
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-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-PWM
SFO-BOS
SFO-BGR
SFO-AUG
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 April 24, 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.
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
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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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 April 24, 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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$346 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$190 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$250 | Average$497 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$551 | FlexibilityNo cancel fee | On-time69% |