$129+ Cheap flights from Maine to San Francisco (SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SFO
Nov 6 — Nov 131
Round-trip
1 adult, Economy
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Find cheap flights from Maine to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maine to San Francisco
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Cheapest flights from Maine to San FranciscoExplore the most affordable flight options available from Maine to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2026.
Explore the most affordable flight options available from Maine to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2026.
This Southwest deal was found by Cheapflights users on 10/4. 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 12/105:15 am -
1 stop11h 35m
Tue 12/159:25 pm -
1 stop9h 25m
Deal found 10/4![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm -
2 stops14h 10m
Wed 11/119:25 pm -
1 stop10h 05m
Deal found 10/7![Southwest logo]()
$263
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 11/125:20 am -
1 stop11h 25m
Tue 11/179:25 pm -
1 stop9h 25m
Deal found 10/5![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 10/4. 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 11/412:45 pm -
2 stops14h 10m
Tue 11/109:25 pm -
1 stop9h 25m
Deal found 10/4![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
2 stops16h 49m
Tue 11/1711:59 pm -
1 stop10h 02m
Deal found 10/7![Delta logo]()
$365
This Southwest deal was found by Cheapflights users on 10/6. 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.
Thu 11/51:40 pm -
2 stops12h 45m
Tue 11/109:25 pm -
1 stop9h 25m
Deal found 10/6![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
2 stops16h 49m
Mon 11/1610:59 pm -
2 stops13h 17m
Deal found 10/7![Delta logo]()
$370
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 10/224:32 pm -
1 stop9h 27m
Mon 10/2611:59 pm -
1 stop9h 36m
Deal found 10/5![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/5. 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 10/224:10 pm -
1 stop11h 24m
Mon 10/266:05 am -
2 stops14h 20m
Deal found 10/5![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 10/224:10 pm -
1 stop11h 24m
Sun 10/2510:25 pm -
2 stops14h 05m
Deal found 10/3![Delta logo]()
$474
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 10/215:50 pm -
1 stop9h 40m
Mon 10/2611:59 pm -
1 stop9h 36m
Deal found 10/5![American Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 10/7. 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.
Wed 10/2112:00 pm -
2 stops13h 59m
Mon 10/268:00 am -
2 stops12h 25m
Deal found 10/7![Delta logo]()
$489
Best flights from Maine to San FranciscoDiscover carefully curated flight deals from Maine to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
Discover carefully curated flight deals from Maine to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
This Southwest deal was found by Cheapflights users on 10/4. 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 12/105:15 am -
1 stop11h 35m
Tue 12/159:25 pm -
1 stop9h 25m
Deal found 10/4![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 11/112:05 pm -
1 stop11h 44m
Wed 11/186:17 am -
2 stops14h 14m
Deal found 10/6![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 10/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:50 pm -
1 stop9h 40m
Mon 10/266:00 am -
1 stop8h 10m
Deal found 10/4![American Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm -
2 stops14h 10m
Wed 11/1111:35 pm -
2 stops10h 30m
Deal found 10/7![Southwest logo]()
$337
This Expedia deal was found by Cheapflights users on 10/5. 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.
Tue 10/204:09 pm -
1 stop11h 56m
Sat 10/246:59 pm -
2 stops13h 07m
Deal found 10/5![Multiple Airlines logo]()
$699
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” 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 10/274:15 pm -
1 stop9h 41m
Tue 11/39:46 am -
2 stops11h 24m
Deal found 10/2![Delta logo]()
$400
This Southwest deal was found by Cheapflights users on 10/5. 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 11/1112:45 pm -
2 stops14h 10m
Sun 11/159:25 pm -
1 stop9h 25m
Deal found 10/5![Southwest logo]()
$367
This Cheapflightsfares deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 12/165:45 am -
1 stop12h 48m
Sat 1/1610:33 am -
1 stop8h 42m
Deal found 10/3![JetBlue logo]()
$861
This American Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:40 pm -
1 stop11h 27m
Sun 10/256:00 am -
1 stop8h 10m
Deal found 10/2![American Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 10/6. 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.
Thu 11/51:40 pm -
2 stops12h 45m
Tue 11/109:25 pm -
1 stop9h 25m
Deal found 10/6![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 10/6. 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 12/1012:49 pm -
2 stops11h 43m
Mon 12/149:59 pm -
2 stops14h 21m
Deal found 10/6![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 10/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:10 pm -
1 stop11h 24m
Mon 10/266:05 am -
2 stops14h 20m
Deal found 10/4![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 10/7. 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.
Wed 10/2112:00 pm -
2 stops13h 59m
Mon 10/268:00 am -
2 stops12h 25m
Deal found 10/7![Delta logo]()
$489
This Expedia deal was found by Cheapflights users on 10/5. 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.
Tue 10/207:00 am -
1 stop16h 05m
Sat 10/247:30 am -
1 stop8h 40m
Deal found 10/5![Multiple Airlines logo]()
$939
This Expedia deal was found by Cheapflights users on 10/7. 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.
Fri 12/185:45 am -
1 stop11h 38m
Sun 1/1010:33 am -
1 stop8h 42m
Deal found 10/7![JetBlue logo]()
$1,145
This Expedia deal was found by Cheapflights users on 10/5. 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.
Sun 1/35:45 am -
1 stop11h 38m
Mon 1/410:54 am -
1 stop8h 43m
Deal found 10/5![JetBlue logo]()
$1,301
Last-minute flights from Maine to San FranciscoDiscover last-minute flight deals from Maine to San Francisco. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to San Francisco. Data last updated October 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 10/215:50 pm -
1 stop9h 40m
Mon 10/2611:59 pm -
1 stop9h 36m
Deal found 10/5![American Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 10/7. 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.
Wed 10/2112:00 pm -
2 stops13h 59m
Mon 10/268:00 am -
2 stops12h 25m
Deal found 10/7![Delta logo]()
$489
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 10/224:32 pm -
1 stop9h 27m
Mon 10/2611:59 pm -
1 stop9h 36m
Deal found 10/5![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/5. 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 10/224:10 pm -
1 stop11h 24m
Mon 10/266:05 am -
2 stops14h 20m
Deal found 10/5![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 10/224:10 pm -
1 stop11h 24m
Sun 10/2510:25 pm -
2 stops14h 05m
Deal found 10/3![Delta logo]()
$474
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm -
2 stops14h 10m
Wed 11/119:25 pm -
1 stop10h 05m
Deal found 10/7![Southwest logo]()
$263
This Southwest deal was found by Cheapflights users on 10/4. 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 11/412:45 pm -
2 stops14h 10m
Tue 11/109:25 pm -
1 stop9h 25m
Deal found 10/4![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 10/7. 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.
Wed 11/44:47 pm -
1 stop8h 51m
Sat 11/75:45 pm -
2 stops14h 05m
Deal found 10/7![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 10/6. 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.
Thu 11/51:40 pm -
2 stops12h 45m
Tue 11/109:25 pm -
1 stop9h 25m
Deal found 10/6![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 11/125:20 am -
1 stop11h 25m
Tue 11/179:25 pm -
1 stop9h 25m
Deal found 10/5![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 10/7. 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 11/131:40 pm -
2 stops13h 05m
Wed 11/1811:35 pm -
2 stops12h 10m
Deal found 10/7![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
2 stops16h 49m
Mon 11/1610:40 pm -
1 stop10h 18m
Deal found 10/7![Delta logo]()
$365
One-way flights from Maine to San FranciscoSearch for one-way flight options from Maine to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
Search for one-way flight options from Maine to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
This Southwest deal was found by Cheapflights users on 10/5. 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 10/289:20 am -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 10/5. 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 10/301:05 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Southwest logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 11/95:35 pm -
2 stops21h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Breeze Airways logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 11/105:09 pm -
3 stops30h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 3/242:35 pm -
1 stop11h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:09 pm -
3 stops46h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 11/134:03 pm -
1 stop9h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Delta logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:35 pm -
2 stops21h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Breeze Airways logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:10 pm -
3 stops44h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 10/7. 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 10/285:50 pm -
1 stop18h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![American Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:12 pm -
2 stops44h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 10/6. 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 11/310:43 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![American Airlines logo]()
$430
Find flight deals from Maine to San Francisco
Keep the following information in mind while searching for Maine to San Francisco flight deals. Data was last updated October 7, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $257 (Southwest) |
One-way from | $129 (Southwest) |
Popular in | July |
Cheapest in | November |
Average price | $468 |
Good round-trip deal | $519 or less |
Good one-way deal | $251 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Maine to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 7, 2026.
Use the filters below to find and compare flights from Maine to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Wed 3/24
6:00 am-5:11 pm
2 stops14h 11m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$203
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Fri 11/20
5:20 am-1:45 pm
1 stop11h 25m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Thu 12/31
12:45 pm-10:10 pm
2 stops12h 25m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Tue 10/20
1:05 pm-9:56 pm
1 stop11h 51m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$250
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Fri 10/16
6:00 am-11:25 am
1 stop8h 25m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$254
Quickest round-trip
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Wed 10/14
11:55 am-5:15 pm
1 stop8h 20m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$254
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Thu 12/10
5:15 am-1:50 pm
1 stop11h 35m
San Francisco
Tue 12/15
9:25 pm-9:50 am
1 stop9h 25m
$257
BangorSan Francisco
BGR Bangor - SFO San Francisco
BGRSFO
Bangor
Wed 10/28
5:50 pm-9:37 am
1 stop18h 47m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$315
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Fri 11/20
5:45 am-2:05 pm
2 stops11h 20m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$320
PortlandSan Francisco
PWM Portland - SFO San Francisco
PWMSFO
Portland
Wed 11/4
12:45 pm-11:55 pm
2 stops14h 10m
San Francisco
Wed 11/11
11:35 pm-1:05 pm
2 stops10h 30m
$337
Showing 1-10 of 28 resultsSorted by cheapest first
Best time to book a flight from Maine to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Maine with our price prediction graph.
PWM-SFO
BGR-SFO
RKD-SFO
PQI-SFO
BHB-SFO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Maine to San Francisco
USME-SFO
PWM-SFO
BGR-SFO
RKD-SFO
PQI-SFO
What is the cheapest month to book a flight from Maine to San Francisco?
Currently, November is the cheapest month in which you can book a flight from Maine to San Francisco (average of $371). Flying from Maine to San Francisco in December is currently the most expensive (average of $635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ME to SFO?
Find hourly flight availability from Maine to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 7, 2026.
When flying from Maine to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Maine to San Francisco?
Airfare is below average for this route at the moment.
Maine to San Francisco flights typically cost between $378 and $593 in December.The cheapest round-trip price found within the last 5 days was $257 on Southwest (Dec 10-Dec 15).
How far ahead should I book a flight from Maine to San Francisco?
The best time to book flights from Maine to San Francisco is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Maine to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
San Bruno
Emeryville
Hayward
Burlingame
Rancho Cordova
Roseville
Redwood City
Cupertino
Newark
Fairfield
San Ramon
Manteca
Vallejo
San Carlos
Turlock
Davis
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Maine to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maine to San Francisco by cabin class
Find flights from Maine to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maine and San Francisco flights
Browse other Maine and San Francisco flight options. Last updated on October 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.
Maine to San Francisco flights
Consider these flights traveling from Maine to San Francisco.
Top 4 airlines flying from Maine to San Francisco
Discover the top 4 airlines that operate flights from Maine to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$477 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$462 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$520 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$416 | Average$591 | FlexibilityNo cancel fee | On-time63% |