$147+ Cheap flights from Massachusetts to San Francisco (SFO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Massachusetts 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Massachusetts to San Francisco
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Cheapest flights from Massachusetts to San FranciscoExplore the most affordable flight options available from Massachusetts to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Massachusetts to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:45 pm -
1 stop9h 18m
Mon 8/2410:35 pm -
1 stop10h 12m
Deal found 8/10![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/2412:54 pm -
1 stop9h 54m
Sun 10/49:42 am -
2 stops22h 09m
Deal found 8/11![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:45 pm -
1 stop9h 18m
Fri 8/2810:35 pm -
1 stop10h 12m
Deal found 8/10![Frontier logo]()
$285
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/235:25 am -
1 stop8h 25m
Thu 10/298:00 pm -
2 stops9h 55m
Deal found 8/12![Southwest logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:45 pm -
2 stops22h 27m
Mon 8/2410:35 pm -
1 stop10h 12m
Deal found 8/9![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/258:00 am -
Nonstop6h 34m
Tue 8/2510:35 pm -
1 stop10h 12m
Deal found 8/11![Multiple Airlines logo]()
$288
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:54 pm -
1 stop10h 14m
Mon 9/1410:05 pm -
1 stop11h 02m
Deal found 8/13![Frontier logo]()
$289
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:59 am -
1 stop10h 14m
Sun 8/2310:35 pm -
1 stop10h 12m
Deal found 8/10![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:59 am -
1 stop10h 14m
Wed 8/1911:20 am -
2 stops21h 27m
Deal found 8/10![Frontier logo]()
$292
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:35 am -
Nonstop6h 30m
Sun 8/3010:35 pm -
1 stop10h 12m
Deal found 8/11![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/2412:45 pm -
1 stop9h 18m
Fri 8/287:30 pm -
2 stops37h 20m
Deal found 8/11![Frontier logo]()
$294
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/54:40 pm -
1 stop7h 50m
Fri 9/1111:40 pm -
1 stop8h 05m
Deal found 8/13![Southwest logo]()
$294
Best flights from Massachusetts to San FranciscoDiscover carefully curated flight deals from Massachusetts to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Massachusetts to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/54:40 pm -
1 stop7h 50m
Fri 9/1111:40 pm -
1 stop8h 05m
Deal found 8/13![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/95:27 pm -
1 stop8h 29m
Tue 9/1511:03 pm -
1 stop10h 19m
Deal found 8/13![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/265:13 pm -
1 stop7h 36m
Mon 9/288:59 pm -
2 stops10h 59m
Deal found 8/13![Delta logo]()
$328
This JetBlue deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/166:09 pm -
Nonstop6h 31m
Sun 9/202:39 pm -
Nonstop6h 20m
Deal found 8/13![JetBlue logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Fri 11/1310:00 am -
1 stop8h 44m
Mon 11/1611:30 pm -
1 stop7h 57m
Deal found 8/11![United Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/237:12 am -
1 stop11h 44m
Sat 9/266:58 pm -
1 stop8h 11m
Deal found 8/13![Alaska Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/35:40 am -
1 stop9h 40m
Sat 10/106:25 pm -
2 stops10h 50m
Deal found 8/13![Southwest logo]()
$315
This KAYAK deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/1111:13 am -
2 stops15h 18m
Sun 9/209:44 pm -
2 stops15h 01m
Deal found 8/13![Multiple Airlines logo]()
$650
This JetBlue deal was found by Cheapflights users on 8/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:30 pm -
Nonstop6h 26m
Sat 10/310:10 pm -
Nonstop5h 50m
Deal found 8/10![JetBlue logo]()
$348
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/157:15 pm -
1 stop7h 50m
Mon 10/196:15 pm -
2 stops11h 10m
Deal found 8/13![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/75:57 pm -
1 stop8h 59m
Tue 10/135:45 pm -
2 stops12h 02m
Deal found 8/13![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/212:50 pm -
2 stops10h 30m
Tue 10/276:50 pm -
2 stops11h 00m
Deal found 8/11![Southwest logo]()
$324
This JetBlue deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/87:00 am -
Nonstop6h 30m
Thu 9/172:39 pm -
Nonstop6h 20m
Deal found 8/11![JetBlue logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:00 am -
1 stop9h 49m
Fri 10/212:45 am -
2 stops14h 08m
Deal found 8/13![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/2910:05 am -
Nonstop6h 38m
Wed 11/42:40 pm -
1 stop11h 47m
Deal found 8/11![Delta logo]()
$391
This KAYAK deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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.
Sun 9/136:00 am -
2 stops12h 30m
Fri 9/1810:46 pm -
1 stop10h 53m
Deal found 8/12![American Airlines logo]()
$435
This JetBlue deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/239:30 pm -
Nonstop6h 26m
Sat 9/2610:24 am -
1 stop10h 15m
Deal found 8/13![JetBlue logo]()
$362
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/152:00 pm -
Nonstop6h 23m
Tue 9/2210:58 pm -
Nonstop5h 56m
Deal found 8/13![United Airlines logo]()
$427
This JetBlue deal was found by Cheapflights users on 8/9. 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.
Sat 9/129:30 pm -
Nonstop6h 26m
Wed 9/1610:24 am -
1 stop10h 15m
Deal found 8/9![JetBlue logo]()
$373
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/97:05 pm -
1 stop8h 00m
Tue 10/135:50 pm -
2 stops11h 25m
Deal found 8/11![Southwest logo]()
$388
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/105:16 pm -
1 stop21h 14m
Sun 9/136:00 am -
1 stop7h 49m
Deal found 8/11![American Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/102:53 pm -
1 stop9h 33m
Sun 10/1811:30 pm -
1 stop8h 09m
Deal found 8/12![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 8/8. 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.
Thu 9/35:30 am -
1 stop7h 55m
Sat 9/1210:00 pm -
1 stop9h 38m
Deal found 8/8![Delta logo]()
$461
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:50 am -
2 stops10h 25m
Tue 9/2211:40 pm -
1 stop8h 55m
Deal found 8/10![Southwest logo]()
$405
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Sun 12/207:03 pm -
2 stops17h 46m
Fri 1/16:14 am -
1 stop9h 24m
Deal found 8/11![American Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/2912:36 pm -
1 stop8h 33m
Wed 10/75:45 pm -
2 stops12h 02m
Deal found 8/11![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am -
1 stop8h 25m
Sun 9/2710:35 pm -
1 stop9h 04m
Deal found 8/10![United Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 8/8. 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 10/1312:55 pm -
2 stops11h 40m
Tue 10/206:50 pm -
2 stops10h 25m
Deal found 8/8![Southwest logo]()
$407
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/275:23 pm -
1 stop8h 36m
Mon 8/315:07 pm -
2 stops20h 51m
Deal found 8/12![American Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/144:20 pm -
2 stops32h 29m
Sun 9/2010:59 pm -
2 stops13h 38m
Deal found 8/13![Delta logo]()
$481
Last-minute flights from Massachusetts to San FranciscoDiscover last-minute flight deals from Massachusetts to San Francisco. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to San Francisco. Data last updated August 14, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:59 am -
1 stop10h 14m
Sun 8/2310:35 pm -
1 stop10h 12m
Deal found 8/10![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:59 am -
1 stop10h 14m
Thu 8/203:38 pm -
2 stops17h 09m
Deal found 8/10![Frontier logo]()
$292
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:45 pm -
1 stop9h 18m
Mon 8/2410:35 pm -
1 stop10h 12m
Deal found 8/10![Frontier logo]()
$283
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:45 pm -
1 stop9h 18m
Fri 8/2810:35 pm -
1 stop10h 12m
Deal found 8/10![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:45 pm -
2 stops22h 27m
Mon 8/2410:35 pm -
1 stop10h 12m
Deal found 8/9![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Fri 8/2112:45 pm -
1 stop9h 18m
Wed 8/265:35 pm -
2 stops15h 12m
Deal found 8/11![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/2412:45 pm -
1 stop9h 18m
Fri 8/287:30 pm -
2 stops37h 20m
Deal found 8/11![Frontier logo]()
$294
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/258:00 am -
Nonstop6h 34m
Tue 8/2510:35 pm -
1 stop10h 12m
Deal found 8/11![Multiple Airlines logo]()
$288
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:35 am -
Nonstop6h 30m
Sun 8/3010:35 pm -
1 stop10h 12m
Deal found 8/11![Multiple Airlines logo]()
$293
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:54 pm -
1 stop10h 14m
Sun 9/1310:05 pm -
1 stop11h 04m
Deal found 8/13![Frontier logo]()
$289
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 am -
1 stop11h 55m
Tue 9/157:10 pm -
2 stops11h 45m
Deal found 8/12![Southwest logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/2412:54 pm -
1 stop9h 54m
Sun 10/49:42 am -
2 stops22h 09m
Deal found 8/11![Frontier logo]()
$284
One-way flights from Massachusetts to San FranciscoSearch for one-way flight options from Massachusetts to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Massachusetts to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:25 am -
1 stop10h 35m
Deal found 8/10![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:15 am -
1 stop8h 05m
Deal found 8/9![Southwest logo]()
$156
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/95:00 pm -
1 stop7h 49m
Deal found 8/12![Delta logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:54 pm -
2 stops22h 20m
Deal found 8/10![Frontier logo]()
$161
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:05 pm -
2 stops10h 05m
Deal found 8/10![Southwest logo]()
$161
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/234:50 pm -
2 stops10h 50m
Deal found 8/13![Southwest logo]()
$162
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/215:10 pm -
1 stop8h 46m
Deal found 8/11![American Airlines logo]()
$164
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:54 pm -
1 stop10h 14m
Deal found 8/11![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:50 am -
Nonstop6h 23m
Deal found 8/11![JetBlue logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/129:30 pm -
Nonstop6h 26m
Deal found 8/11![JetBlue logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Fri 9/412:45 pm -
2 stops33h 00m
Deal found 8/11![Frontier logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:33 am -
1 stop10h 04m
Deal found 8/10![Alaska Airlines logo]()
$170
Find flight deals from Massachusetts to San Francisco
Keep the following information in mind while searching for Massachusetts to San Francisco flight deals. Data was last updated August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $282 (Frontier) |
One-way from | $147 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $413 |
Good round-trip deal | $361 or less |
Good one-way deal | $253 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts 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 2,558,603 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Massachusetts to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AlbanySan Francisco
ALB Albany Intl - SFO San Francisco
ALBSFO
Albany Intl
Sat 9/5
4:40 pm-9:30 pm
1 stop7h 50m
San Francisco
Fri 9/11
11:40 pm-10:45 am
1 stop8h 05m
$294
AlbanySan Francisco
ALB Albany Intl - SFO San Francisco
ALBSFO
Albany Intl
Wed 9/9
5:27 pm-10:56 pm
1 stop8h 29m
San Francisco
Tue 9/15
11:03 pm-12:22 pm
1 stop10h 19m
$312
HartfordSan Francisco
BDL Hartford Bradley Intl - SFO San Francisco
BDLSFO
Hartford Bradley Intl
Sat 10/3
5:40 am-12:20 pm
1 stop9h 40m
San Francisco
Sat 10/10
6:25 pm-8:15 am
2 stops10h 50m
$315
AlbanySan Francisco
ALB Albany Intl - SFO San Francisco
ALBSFO
Albany Intl
Thu 10/15
7:15 pm-12:05 am
1 stop7h 50m
San Francisco
Mon 10/19
6:15 pm-8:25 am
2 stops11h 10m
$317
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Wed 10/21
2:50 pm-10:20 pm
2 stops10h 30m
San Francisco
Tue 10/27
6:50 pm-8:50 am
2 stops11h 00m
$324
HartfordSan Francisco
BDL Hartford Bradley Intl - SFO San Francisco
BDLSFO
Hartford Bradley Intl
Sat 9/26
5:13 pm-9:49 pm
1 stop7h 36m
San Francisco
Mon 9/28
8:59 pm-10:58 am
2 stops10h 59m
$328
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Wed 9/16
6:09 pm-9:40 pm
Nonstop6h 31m
San Francisco
Sun 9/20
2:39 pm-11:59 pm
Nonstop6h 20m
$337
Quickest round-trip
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Thu 9/24
9:30 pm-12:56 am
Nonstop6h 26m
San Francisco
Sat 10/3
10:10 pm-7:00 am
Nonstop5h 50m
$348
AlbanySan Francisco
ALB Albany Intl - SFO San Francisco
ALBSFO
Albany Intl
Fri 11/13
10:00 am-3:44 pm
1 stop8h 44m
San Francisco
Mon 11/16
11:30 pm-10:27 am
1 stop7h 57m
$355
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Tue 9/8
7:00 am-10:30 am
Nonstop6h 30m
San Francisco
Thu 9/17
2:39 pm-11:59 pm
Nonstop6h 20m
$358
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Massachusetts to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Massachusetts with our price prediction graph.
BOS-SFO
ALB-SFO
ORH-SFO
BDL-SFO
MVY-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 Massachusetts to San Francisco
USMA-SFO
BOS-SFO
ALB-SFO
ORH-SFO
BDL-SFO
What is the cheapest month to book a flight from Massachusetts to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Massachusetts to San Francisco (average of $339). Flying from Massachusetts to San Francisco in June is currently the most expensive (average of $461). 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 MA to SFO?
Find hourly flight availability from Massachusetts 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 August 14, 2026.
It’s typically best to fly out from Massachusetts to San Francisco in the evening. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Massachusetts to San Francisco
Explore weekly flight availability from Massachusetts to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2026.
The most flights from USMA to SFO are scheduled on a Wednesday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).
How much does it cost to fly round-trip from Massachusetts to San Francisco?
Airfare is below average for this route at the moment.
Massachusetts to San Francisco flights typically cost between $345 and $550 in October.The cheapest round-trip price found within the last 5 days was $282 on Frontier (Oct 21-Oct 31).
How far ahead should I book a flight from Massachusetts to San Francisco?
The best time to book flights from Massachusetts to San Francisco is 85 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.
What is the cheapest day to fly from Massachusetts to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Massachusetts to San Francisco. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Massachusetts to San Francisco flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Massachusetts 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
Fairfield
Emeryville
Roseville
Burlingame
Rancho Cordova
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
San Carlos
Manteca
Turlock
San Lorenzo
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Massachusetts to San Francisco
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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 Massachusetts to San Francisco by cabin class
Find flights from Massachusetts to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Massachusetts and San Francisco flights
Browse other Massachusetts and San Francisco flight options. Last updated on August 14, 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 August 14, 2026.
Massachusetts to San Francisco flights
Consider these flights traveling from Massachusetts to San Francisco.
Top 9 airlines flying from Massachusetts to San Francisco
Discover the top 9 airlines that operate flights from Massachusetts 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 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$259 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$131 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$354 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$162 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$195 | Average$413 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$345 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$230 | Average$431 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$452 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$448 | FlexibilityNo cancel fee | On-time71% |