$128+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
May 3 — May 101
Round-trip
1 adult, Economy
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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 April 3, 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 April 3, 2026.
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:39 pm
ORH
- SFO
1 stop23h 52m
American Airlines
Mon 5/1112:31 pm
SFO
- ORH
1 stop22h 43m
American Airlines
Deal found 4/3![American Airlines logo]()
$260
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/2912:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Mon 6/16:58 pm
SFO
- BOS
1 stop8h 22m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$264
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/2010:07 am
BOS
- SFO
1 stop27h 34m
Multiple Airlines
Wed 5/273:10 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$266
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
BOS
- SFO
1 stop14h 34m
Multiple Airlines
Fri 5/110:50 pm
SFO
- BOS
1 stop8h 39m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$267
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/812:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Sat 5/239:00 pm
SFO
- BOS
Nonstop5h 44m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$269
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/276:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Thu 4/3010:38 pm
SFO
- BOS
1 stop10h 09m
Frontier
Deal found 3/31![Frontier logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/258:19 pm
BOS
- SFO
Nonstop6h 40m
JetBlue
Wed 4/298:45 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Deal found 3/31![JetBlue logo]()
$272
This Expedia deal was found by Cheapflights users on 4/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 am
BOS
- SFO
1 stop14h 34m
Multiple Airlines
Wed 5/67:15 am
SFO
- BOS
2 stops13h 44m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$273
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Fri 5/812:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Sun 5/108:44 pm
SFO
- BOS
Nonstop5h 44m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$274
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/146:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Sun 5/176:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$275
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/156:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Thu 4/3010:38 pm
SFO
- BOS
1 stop10h 09m
Frontier
Deal found 3/31![Frontier logo]()
$276
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/257:40 am
BOS
- SFO
Nonstop6h 49m
Delta
Sat 5/91:00 pm
SFO
- BOS
Nonstop5h 50m
Delta
Deal found 4/1![Delta logo]()
$277
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 April 3, 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 April 3, 2026.
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Tue 6/169:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 4/2![United Airlines logo]()
$277
This JetBlue deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/258:19 pm
BOS
- SFO
Nonstop6h 40m
JetBlue
Sat 5/28:25 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Deal found 4/1![JetBlue logo]()
$279
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/274:40 pm
BDL
- SFO
2 stops10h 40m
Southwest
Mon 5/411:25 pm
SFO
- BDL
1 stop8h 15m
Southwest
Deal found 3/30![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/195:30 am
BDL
- SFO
1 stop7h 54m
Delta
Mon 5/2512:15 am
SFO
- BDL
1 stop7h 31m
Delta
Deal found 3/29![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 6/48:05 am
BOS
- SFO
1 stop11h 56m
Alaska Airlines
Sun 6/76:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 6/115:18 pm
ORH
- SFO
1 stop11h 10m
American Airlines
Mon 6/158:13 pm
SFO
- ORH
2 stops17h 40m
American Airlines
Deal found 3/30![American Airlines logo]()
$362
This Sun Country Air deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:08 pm
BDL
- SFO
1 stop31h 01m
Sun Country Air
Sun 5/316:09 pm
SFO
- BDL
1 stop12h 58m
Sun Country Air
Deal found 3/31![Sun Country Air logo]()
$457
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:07 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Sun 5/319:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 3/29![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/102:30 pm
BOS
- SFO
2 stops10h 45m
Southwest
Tue 6/1610:50 am
SFO
- BOS
1 stop9h 10m
Southwest
Deal found 4/2![Southwest logo]()
$322
This KAYAK deal was found by Cheapflights users on 4/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:00 am
EWB
- SFO
2 stops18h 04m
Multiple Airlines
Tue 8/2511:50 pm
SFO
- EWB
2 stops13h 55m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$693
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 6/26:00 am
BOS
- SFO
2 stops14h 03m
Alaska Airlines
Tue 6/94:44 pm
SFO
- BOS
1 stop10h 00m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/277:20 pm
BDL
- SFO
1 stop8h 00m
Southwest
Sun 5/311:25 pm
SFO
- BDL
1 stop8h 15m
Southwest
Deal found 3/30![Southwest logo]()
$336
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/142:39 pm
ORH
- SFO
2 stops22h 04m
American Airlines
Sat 4/1812:31 pm
SFO
- ORH
1 stop22h 43m
American Airlines
Deal found 3/30![American Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:35 am
BDL
- SFO
1 stop7h 54m
Delta
Mon 8/3110:45 pm
SFO
- BDL
1 stop6h 57m
Delta
Deal found 4/1![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/42:55 pm
ALB
- SFO
1 stop11h 25m
Southwest
Mon 5/117:15 pm
SFO
- ALB
2 stops9h 40m
Southwest
Deal found 3/31![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:00 am
BOS
- SFO
1 stop8h 19m
United Airlines
Sun 6/2811:05 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 4/2![United Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 4/2. 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.
Fri 4/245:24 pm
ORH
- SFO
2 stops20h 11m
Delta
Tue 5/510:55 pm
SFO
- ORH
2 stops14h 48m
Delta
Deal found 4/2![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 4/2. 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 8/117:00 am
BOS
- SFO
Nonstop6h 57m
Delta
Thu 8/1310:00 pm
SFO
- BOS
Nonstop5h 54m
Delta
Deal found 4/2![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:15 am
ALB
- SFO
1 stop8h 10m
United Airlines
Mon 9/2110:35 pm
SFO
- ALB
1 stop8h 04m
United Airlines
Deal found 4/2![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:15 pm
ALB
- SFO
1 stop7h 55m
Southwest
Tue 6/910:50 pm
SFO
- ALB
2 stops10h 25m
Southwest
Deal found 4/2![Southwest logo]()
$364
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:18 pm
ORH
- SFO
2 stops20h 37m
American Airlines
Mon 5/2512:18 am
SFO
- ORH
1 stop13h 35m
American Airlines
Deal found 3/29![American Airlines logo]()
$452
This Orbitz deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:05 pm
MVY
- SFO
1 stop10h 31m
JetBlue
Fri 7/1711:44 pm
SFO
- MVY
1 stop7h 24m
JetBlue
Deal found 3/30![JetBlue logo]()
$499
This Delta deal was found by Cheapflights users on 4/2. 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.
Thu 4/305:24 pm
ORH
- SFO
2 stops21h 02m
Delta
Tue 5/510:55 pm
SFO
- ORH
2 stops14h 48m
Delta
Deal found 4/2![Delta logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/511:57 am
ALB
- SFO
2 stops14h 04m
Alaska Airlines
Sat 5/99:35 am
SFO
- ALB
1 stop9h 08m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 7/37:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Fri 7/106:56 pm
SFO
- BOS
1 stop8h 02m
United Airlines
Deal found 3/29![United Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Fri 5/225:18 pm
ORH
- SFO
2 stops20h 37m
American Airlines
Sun 5/2412:26 am
SFO
- ORH
2 stops37h 27m
American Airlines
Deal found 3/29![American Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/251:50 pm
BOS
- SFO
2 stops11h 05m
Southwest
Sat 5/29:15 pm
SFO
- BOS
1 stop8h 15m
Southwest
Deal found 4/1![Southwest logo]()
$388
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 6/101:18 pm
MVY
- SFO
1 stop9h 42m
Delta
Mon 6/1511:40 pm
SFO
- MVY
1 stop9h 58m
Delta
Deal found 3/29![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 7/29:07 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Thu 7/92:00 pm
SFO
- BOS
1 stop8h 08m
United Airlines
Deal found 3/29![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 6/306:15 am
BOS
- SFO
1 stop20h 26m
Delta
Wed 7/810:10 pm
SFO
- BOS
Nonstop5h 35m
Delta
Deal found 3/31![Delta logo]()
$395
Last-minute flights from Massachusetts to San FranciscoDiscover last-minute flight deals from Massachusetts to San Francisco. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to San Francisco. Data last updated April 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/156:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Thu 4/3010:38 pm
SFO
- BOS
1 stop10h 09m
Frontier
Deal found 3/31![Frontier logo]()
$276
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/258:19 pm
BOS
- SFO
Nonstop6h 40m
JetBlue
Wed 4/298:45 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Deal found 3/31![JetBlue logo]()
$272
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/257:40 am
BOS
- SFO
Nonstop6h 49m
Delta
Sat 5/27:05 am
SFO
- BOS
Nonstop5h 34m
Delta
Deal found 4/1![Delta logo]()
$277
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/276:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Thu 4/3010:38 pm
SFO
- BOS
1 stop10h 09m
Frontier
Deal found 3/31![Frontier logo]()
$270
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
BOS
- SFO
1 stop14h 34m
Multiple Airlines
Fri 5/110:50 pm
SFO
- BOS
1 stop8h 39m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$267
This Super.com deal was found by Cheapflights users on 4/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:19 pm
BOS
- SFO
Nonstop6h 40m
JetBlue
Sat 5/911:10 pm
SFO
- BOS
Nonstop5h 45m
JetBlue
Deal found 4/2![JetBlue logo]()
$273
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:39 pm
ORH
- SFO
1 stop23h 52m
American Airlines
Mon 5/1112:31 pm
SFO
- ORH
1 stop22h 43m
American Airlines
Deal found 4/3![American Airlines logo]()
$260
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/812:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Sat 5/239:00 pm
SFO
- BOS
Nonstop5h 44m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$269
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Fri 5/812:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Sun 5/108:44 pm
SFO
- BOS
Nonstop5h 44m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$274
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/146:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Sun 5/176:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$275
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/2010:07 am
BOS
- SFO
1 stop27h 34m
Multiple Airlines
Wed 5/273:10 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$266
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/2912:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Mon 6/16:58 pm
SFO
- BOS
1 stop8h 22m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$264
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 April 3, 2026.
Search for one-way flight options from Massachusetts to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/215:18 pm
ORH
- SFO
1 stop11h 00m
American Airlines
Deal found 4/1![American Airlines logo]()
$128
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:39 pm
ORH
- SFO
1 stop9h 40m
American Airlines
Deal found 4/3![American Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Fri 5/810:52 am
ALB
- SFO
2 stops39h 12m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Tue 4/286:00 am
BOS
- SFO
2 stops20h 25m
Frontier
Deal found 4/2![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/1312:01 pm
BOS
- SFO
1 stop10h 33m
Frontier
Deal found 3/31![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/216:00 pm
BOS
- SFO
2 stops26h 34m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$144
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 6/2212:01 pm
BOS
- SFO
1 stop10h 24m
Frontier
Deal found 3/30![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/226:00 pm
BOS
- SFO
2 stops26h 34m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$146
This Super.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Fri 4/248:19 pm
BOS
- SFO
Nonstop6h 40m
JetBlue
Deal found 3/31![JetBlue logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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.
Thu 6/258:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Deal found 4/1![JetBlue logo]()
$148
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
BOS
- SFO
Nonstop6h 45m
United Airlines
Deal found 3/31![United Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/246:00 pm
BOS
- SFO
2 stops26h 34m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$150
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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (American Airlines) |
One-way from | $128 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $416 |
Good round-trip deal | $353 or less |
Good one-way deal | $189 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 April 3, 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
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 6/10
6:00 am-9:27 am
Nonstop6h 27m
San Francisco
Tue 6/16
9:25 pm-6:21 am
Nonstop5h 56m
$277
Quickest round-trip
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 4/25
8:19 pm-11:59 pm
Nonstop6h 40m
San Francisco
Sat 5/2
8:25 pm-5:07 am
Nonstop5h 42m
$279
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 5/27
9:07 am-12:34 pm
Nonstop6h 27m
San Francisco
Sun 5/31
9:25 pm-6:21 am
Nonstop5h 56m
$297
HartfordSan Francisco
BDL - SFO
BDLSFO
Hartford Bradley Intl
Mon 4/27
4:40 pm-12:20 am
2 stops10h 40m
San Francisco
Mon 5/4
11:25 pm-10:40 am
1 stop8h 15m
$316
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 6/10
2:30 pm-10:15 pm
2 stops10h 45m
San Francisco
Tue 6/16
10:50 am-11:00 pm
1 stop9h 10m
$322
HartfordSan Francisco
BDL - SFO
BDLSFO
Hartford Bradley Intl
Tue 5/19
5:30 am-10:24 am
1 stop7h 54m
San Francisco
Mon 5/25
12:15 am-10:46 am
1 stop7h 31m
$335
HartfordSan Francisco
BDL - SFO
BDLSFO
Hartford Bradley Intl
Mon 4/27
7:20 pm-12:20 am
1 stop8h 00m
San Francisco
Sun 5/3
11:25 pm-10:40 am
1 stop8h 15m
$336
AlbanySan Francisco
ALB - SFO
ALBSFO
Albany Intl
Mon 5/4
2:55 pm-11:20 pm
1 stop11h 25m
San Francisco
Mon 5/11
7:15 pm-7:55 am
2 stops9h 40m
$338
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 6/4
8:05 am-5:01 pm
1 stop11h 56m
San Francisco
Sun 6/7
6:16 am-5:44 am
1 stop20h 28m
$343
WorcesterSan Francisco
ORH - SFO
ORHSFO
Worcester
Thu 6/11
5:18 pm-1:28 am
1 stop11h 10m
San Francisco
Mon 6/15
8:13 pm-4:53 pm
2 stops17h 40m
$362
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.
ORH-SFO
BOS-SFO
ALB-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
ORH-SFO
BOS-SFO
ALB-SFO
BDL-SFO
What is the cheapest month to book a flight from Massachusetts to San Francisco?
Currently, November is the cheapest month in which you can book a flight from Massachusetts to San Francisco (average of $149). Flying from Massachusetts to San Francisco in January is currently the most expensive (average of $197). 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 April 3, 2026.
It’s typically best to fly out from Massachusetts to San Francisco in the evening. Doing so could potentially save you 31% on the flight price compared to flying in the afternoon, which is usually more expensive.
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 March 28, 2026.
Travelers seeking maximum savings on their Massachusetts to San Francisco flight should consider departing on Thursday 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.
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 April 3, 2026.
The most flights from USMA to SFO are scheduled on a Friday (38 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from Massachusetts to San Francisco?
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 Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Sunnyvale
Vacaville
San Carlos
Redwood City
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove
Foster City
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 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 April 3, 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 April 3, 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$303 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$153 | Average$389 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$363 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$334 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$208 | Average$351 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$231 | Average$421 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$267 | Average$417 | FlexibilityNo cancel fee | On-time71% |