$117+ Cheap flights from San Francisco Bay Area to Boston (BOS)
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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Apr 28 — May 51
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco Bay Area to Boston with Cheapflights
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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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Cheapest flights from San Francisco Bay Area to BostonExplore the most affordable flight options available from San Francisco Bay Area to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.
Explore the most affordable flight options available from San Francisco Bay Area to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:35 pm
SJC
- BOS
1 stop7h 30m
Southwest
Wed 5/137:20 am
BOS
- SJC
1 stop8h 35m
Southwest
Deal found 3/24![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/211:35 pm
SJC
- BOS
1 stop7h 30m
Southwest
Sat 4/252:20 pm
BOS
- SJC
1 stop9h 35m
Southwest
Deal found 3/26![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:55 pm
OAK
- BOS
1 stop8h 05m
Southwest
Tue 4/286:20 pm
BOS
- OAK
1 stop8h 05m
Southwest
Deal found 3/24![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 5/1911:00 pm
SJC
- BOS
1 stop7h 06m
Delta
Tue 6/26:10 am
BOS
- SJC
1 stop9h 38m
Delta
Deal found 3/26![Delta logo]()
$257
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Mon 4/610:03 pm
SFO
- BOS
1 stop10h 42m
Frontier
Thu 4/95:30 am
BOS
- SFO
1 stop16h 49m
Frontier
Deal found 3/25![Frontier logo]()
$260
This Priceline deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:38 pm
SFO
- BOS
1 stop9h 47m
Multiple Airlines
Sat 4/253:11 pm
BOS
- SFO
1 stop9h 46m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$262
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/283:10 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Sat 5/96:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:55 pm
SJC
- BOS
1 stop9h 25m
Delta
Wed 5/274:30 pm
BOS
- SJC
1 stop9h 25m
Delta
Deal found 3/25![Delta logo]()
$264
This Expedia deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/1212:00 pm
SFO
- BOS
1 stop14h 53m
Multiple Airlines
Wed 4/156:00 am
BOS
- SFO
1 stop14h 34m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$265
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:38 pm
SFO
- BOS
1 stop9h 22m
Multiple Airlines
Mon 4/204:50 pm
BOS
- SFO
Nonstop6h 46m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$266
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Sun 4/1910:38 pm
SFO
- BOS
1 stop9h 47m
Multiple Airlines
Tue 4/285:20 am
BOS
- SFO
1 stop9h 14m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$267
This Vliegwinkel deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:38 pm
SFO
- BOS
1 stop10h 09m
Multiple Airlines
Thu 4/238:19 pm
BOS
- SFO
Nonstop6h 40m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$268
Best flights from San Francisco Bay Area to BostonDiscover carefully curated flight deals from San Francisco Bay Area to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 29, 2026.
Discover carefully curated flight deals from San Francisco Bay Area to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 29, 2026.
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:00 pm
SJC
- BOS
1 stop8h 38m
Delta
Thu 4/236:54 pm
BOS
- SJC
1 stop7h 48m
Delta
Deal found 3/24![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/217:15 pm
SFO
- BOS
2 stops10h 00m
Southwest
Fri 4/246:55 pm
BOS
- SFO
1 stop8h 25m
Southwest
Deal found 3/26![Southwest logo]()
$289
This JetBlue deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:45 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Sat 5/98:21 pm
BOS
- SFO
Nonstop6h 38m
JetBlue
Deal found 3/27![JetBlue logo]()
$297
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 9/110:35 pm
SFO
- BOS
1 stop7h 48m
United Airlines
Sat 9/57:00 am
BOS
- SFO
Nonstop6h 30m
United Airlines
Deal found 3/25![United Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:24 am
SJC
- BOS
1 stop10h 35m
Alaska Airlines
Wed 5/67:00 am
BOS
- SJC
1 stop9h 50m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$339
This JetBlue deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:45 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Fri 5/86:20 am
BOS
- SFO
Nonstop6h 45m
JetBlue
Deal found 3/28![JetBlue logo]()
$297
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:30 pm
SFO
- BOS
Nonstop5h 55m
Delta
Tue 4/284:50 pm
BOS
- SFO
Nonstop6h 43m
Delta
Deal found 3/28![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/209:45 pm
SJC
- BOS
1 stop7h 30m
Southwest
Wed 4/2211:40 am
BOS
- SJC
1 stop11h 50m
Southwest
Deal found 3/27![Southwest logo]()
$319
This JetBlue deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Tue 5/56:20 am
BOS
- SFO
Nonstop6h 45m
JetBlue
Deal found 3/25![JetBlue logo]()
$297
This Southwest deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/67:15 pm
SFO
- BOS
2 stops9h 50m
Southwest
Sat 5/95:15 am
BOS
- SFO
1 stop8h 10m
Southwest
Deal found 3/28![Southwest logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 9/167:47 pm
SJC
- BOS
1 stop8h 44m
Alaska Airlines
Wed 9/308:50 am
BOS
- SJC
1 stop8h 49m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$357
This JetBlue deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Thu 5/78:21 pm
BOS
- SFO
Nonstop6h 38m
JetBlue
Deal found 3/28![JetBlue logo]()
$297
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 6/37:40 pm
SJC
- BOS
2 stops9h 30m
Southwest
Thu 6/49:10 am
BOS
- SJC
1 stop9h 15m
Southwest
Deal found 3/25![Southwest logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 9/167:47 pm
SJC
- BOS
1 stop8h 44m
Alaska Airlines
Thu 9/248:50 am
BOS
- SJC
1 stop8h 49m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:40 pm
SJC
- BOS
1 stop9h 40m
Delta
Tue 8/47:10 am
BOS
- SJC
1 stop7h 59m
Delta
Deal found 3/25![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/297:05 am
SFO
- BOS
Nonstop5h 34m
Delta
Fri 5/158:59 pm
BOS
- SFO
Nonstop6h 33m
Delta
Deal found 3/28![Delta logo]()
$357
This JetBlue deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:00 pm
SFO
- BOS
Nonstop5h 45m
JetBlue
Tue 5/123:00 pm
BOS
- SFO
1 stop11h 51m
JetBlue
Deal found 3/28![JetBlue logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/57:23 am
STS
- BOS
2 stops13h 36m
Alaska Airlines
Wed 5/65:56 pm
BOS
- STS
1 stop20h 02m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:40 pm
SJC
- BOS
1 stop7h 35m
Southwest
Sat 5/305:25 am
BOS
- SJC
2 stops12h 45m
Southwest
Deal found 3/27![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 9/127:00 am
SFO
- BOS
Nonstop5h 51m
Delta
Sat 9/264:55 pm
BOS
- SFO
Nonstop6h 57m
Delta
Deal found 3/25![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:13 pm
OAK
- BOS
1 stop7h 49m
Alaska Airlines
Fri 9/2510:30 am
BOS
- OAK
1 stop11h 49m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/177:30 pm
SJC
- BOS
2 stops9h 35m
Southwest
Wed 4/292:25 pm
BOS
- SJC
1 stop9h 05m
Southwest
Deal found 3/27![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:15 pm
SJC
- BOS
1 stop7h 37m
Delta
Sun 8/307:10 am
BOS
- SJC
1 stop7h 59m
Delta
Deal found 3/24![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:23 am
STS
- BOS
1 stop30h 30m
Alaska Airlines
Sat 5/94:33 pm
BOS
- STS
1 stop9h 24m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 6/36:10 am
OAK
- BOS
2 stops9h 25m
Southwest
Thu 6/44:30 pm
BOS
- OAK
1 stop9h 00m
Southwest
Deal found 3/25![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/1412:34 pm
OAK
- BOS
1 stop8h 23m
Delta
Wed 4/226:54 pm
BOS
- OAK
1 stop8h 00m
Delta
Deal found 3/28![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:18 pm
OAK
- BOS
1 stop22h 35m
Alaska Airlines
Mon 5/115:56 pm
BOS
- OAK
1 stop31h 27m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 8/2011:00 pm
SJC
- BOS
1 stop7h 00m
Southwest
Sun 8/305:55 am
BOS
- SJC
1 stop10h 20m
Southwest
Deal found 3/26![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/2111:00 pm
SJC
- BOS
2 stops14h 35m
Delta
Sun 4/266:15 am
BOS
- SJC
1 stop9h 08m
Delta
Deal found 3/27![Delta logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/59:53 am
OAK
- BOS
1 stop11h 06m
Alaska Airlines
Wed 5/65:56 pm
BOS
- OAK
1 stop23h 42m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$422
Last-minute flights from San Francisco Bay Area to BostonDiscover last-minute flight deals from San Francisco Bay Area to Boston. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco Bay Area to Boston. Data last updated March 29, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Mon 4/610:03 pm
SFO
- BOS
1 stop10h 42m
Frontier
Thu 4/95:30 am
BOS
- SFO
1 stop16h 49m
Frontier
Deal found 3/25![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/1212:00 pm
SFO
- BOS
1 stop14h 53m
Multiple Airlines
Wed 4/156:00 am
BOS
- SFO
1 stop14h 34m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$265
This Vliegwinkel deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:38 pm
SFO
- BOS
1 stop10h 09m
Multiple Airlines
Thu 4/238:19 pm
BOS
- SFO
Nonstop6h 40m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$268
This Frontier deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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.
Fri 4/1710:38 pm
SFO
- BOS
1 stop10h 09m
Frontier
Tue 4/216:00 am
BOS
- SFO
1 stop14h 34m
Frontier
Deal found 3/27![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:38 pm
SFO
- BOS
1 stop9h 22m
Multiple Airlines
Mon 4/204:50 pm
BOS
- SFO
Nonstop6h 46m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$266
This Priceline deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:38 pm
SFO
- BOS
1 stop9h 47m
Multiple Airlines
Sat 4/253:11 pm
BOS
- SFO
1 stop9h 46m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$262
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Sun 4/1910:38 pm
SFO
- BOS
1 stop9h 47m
Multiple Airlines
Tue 4/285:20 am
BOS
- SFO
1 stop9h 14m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$267
This CheapOair deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:38 pm
SFO
- BOS
1 stop9h 47m
Multiple Airlines
Wed 4/299:00 am
BOS
- SFO
Nonstop6h 37m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:55 pm
OAK
- BOS
1 stop8h 05m
Southwest
Tue 4/286:20 pm
BOS
- OAK
1 stop8h 05m
Southwest
Deal found 3/24![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/211:35 pm
SJC
- BOS
1 stop7h 30m
Southwest
Sat 4/252:20 pm
BOS
- SJC
1 stop9h 35m
Southwest
Deal found 3/26![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/211:45 pm
SJC
- BOS
1 stop8h 30m
Delta
Thu 4/236:54 pm
BOS
- SJC
1 stop7h 48m
Delta
Deal found 3/26![Delta logo]()
$268
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/283:10 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Sat 5/96:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$264
One-way flights from San Francisco Bay Area to BostonSearch for one-way flight options from San Francisco Bay Area to Boston. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
Search for one-way flight options from San Francisco Bay Area to Boston. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/219:40 pm
SJC
- BOS
1 stop9h 05m
Southwest
Deal found 3/25![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:35 am
OAK
- BOS
1 stop12h 25m
Southwest
Deal found 3/25![Southwest logo]()
$123
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 6/105:01 pm
SJC
- BOS
1 stop10h 04m
Delta
Deal found 3/26![Delta logo]()
$129
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/1212:44 pm
SJC
- BOS
1 stop14h 00m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$134
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/54:00 pm
SJC
- BOS
1 stop10h 30m
Delta
Deal found 3/27![Delta logo]()
$136
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 5/411:55 pm
OAK
- BOS
1 stop8h 05m
Southwest
Deal found 3/26![Southwest logo]()
$140
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 5/44:50 pm
SJC
- BOS
1 stop10h 10m
Delta
Deal found 3/26![Delta logo]()
$140
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/146:15 am
SJC
- BOS
1 stop14h 44m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$145
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Fri 4/1710:38 pm
SFO
- BOS
1 stop10h 09m
Frontier
Deal found 3/25![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/146:29 pm
SFO
- BOS
2 stops14h 17m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$146
This Super.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 5/63:20 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 3/26![JetBlue logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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.
Tue 4/282:00 pm
SFO
- BOS
Nonstop5h 45m
JetBlue
Deal found 3/27![JetBlue logo]()
$148
Find flight deals from San Francisco Bay Area to Boston
Keep the following information in mind while searching for San Francisco Bay Area to Boston flight deals. Data was last updated March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $233 (Southwest) |
One-way from | $117 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $412 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco Bay Area to Boston 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 March 29, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseBoston
SJC - BOS
SJCBOS
San Jose
Tue 4/21
11:00 pm-10:38 am
1 stop8h 38m
Boston Logan Intl
Thu 4/23
6:54 pm-11:42 pm
1 stop7h 48m
$268
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 4/21
7:15 pm-8:15 am
2 stops10h 00m
Boston Logan Intl
Fri 4/24
6:55 pm-12:20 am
1 stop8h 25m
$289
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 5/5
8:45 pm-5:27 am
Nonstop5h 42m
Boston Logan Intl
Sat 5/9
8:21 pm-11:59 pm
Nonstop6h 38m
$297
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Mon 5/4
8:45 pm-5:27 am
Nonstop5h 42m
Boston Logan Intl
Fri 5/8
6:20 am-10:05 am
Nonstop6h 45m
$297
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sun 4/19
10:30 pm-7:25 am
Nonstop5h 55m
Boston Logan Intl
Tue 4/28
4:50 pm-8:33 pm
Nonstop6h 43m
$297
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Mon 5/4
3:10 pm-11:58 pm
Nonstop5h 48m
Boston Logan Intl
Tue 5/5
6:20 am-10:05 am
Nonstop6h 45m
$297
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 5/5
3:10 pm-11:58 pm
Nonstop5h 48m
Boston Logan Intl
Thu 5/7
8:21 pm-11:59 pm
Nonstop6h 38m
$297
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 9/1
10:35 pm-9:23 am
1 stop7h 48m
Boston Logan Intl
Sat 9/5
7:00 am-10:30 am
Nonstop6h 30m
$317
San JoseBoston
SJC - BOS
SJCBOS
San Jose
Mon 4/20
9:45 pm-8:15 am
1 stop7h 30m
Boston Logan Intl
Wed 4/22
11:40 am-8:30 pm
1 stop11h 50m
$319
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 5/6
7:15 pm-8:05 am
2 stops9h 50m
Boston Logan Intl
Sat 5/9
5:15 am-10:25 am
1 stop8h 10m
$322
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Francisco Bay Area to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from San Francisco Bay Area with our price prediction graph.
SJC-BOS
OAK-BOS
SFO-BOS
STS-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco Bay Area to Boston
zzXIH-BOS
SJC-BOS
OAK-BOS
SFO-BOS
STS-BOS
What is the cheapest month to book a flight from San Francisco Bay Area to Boston?
Currently, December is the cheapest month in which you can book a flight from San Francisco Bay Area to Boston (average of $118). Flying from San Francisco Bay Area to Boston in January is currently the most expensive (average of $189). 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 XIH to BOS?
Find hourly flight availability from San Francisco Bay Area to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 29, 2026.
One of the essential ways to save on airfare from San Francisco Bay Area to Boston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 41% on airfare.
What is the cheapest day to fly from San Francisco Bay Area to Boston?
Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Boston. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their San Francisco Bay Area to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco Bay Area to Boston
Explore weekly flight availability from San Francisco Bay Area to Boston. 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 March 29, 2026.
The most flights from zzXIH to BOS are scheduled on a Saturday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated March 29, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from San Francisco Bay Area to Boston by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Francisco Bay Area to Boston. 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 Boston?
Book flights to Boston if you plan to visit one of these locationsMedford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Seabrook
Cranston
Chelsea
Lincoln
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Lowell
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.
Alternative routes
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Complete your trip
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Alternative routes for San Francisco Bay Area to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 29, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco Bay Area to Boston by cabin class
Find flights from San Francisco Bay Area to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco Bay Area and Boston flights
Browse other San Francisco Bay Area and Boston flight options. Last updated on March 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 9 airlines flying from San Francisco Bay Area to Boston
Discover the top 9 airlines that operate flights from San Francisco Bay Area to Boston. 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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$340 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$339 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$152 | Average$369 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$366 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$205 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$218 | Average$410 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$220 | Average$492 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$457 | FlexibilityNo cancel fee | On-time75% |