$124+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Mar 5 — Mar 121
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Francisco Bay Area to Boston 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 San Francisco Bay Area to Boston
Cheapest
Best
Last-minute
One-way
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 February 3, 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 February 3, 2026.
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/101:00 pm
SFO
- BOS
Nonstop5h 39m
Delta
Tue 3/175:20 pm
BOS
- SFO
Nonstop6h 53m
Delta
Deal found 2/1![Delta logo]()
$212
This Travelocity deal was found by Cheapflights users on 2/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:38 pm
SFO
- BOS
1 stop10h 03m
Multiple Airlines
Wed 3/187:10 am
BOS
- SFO
Nonstop7h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$214
This Jetabroad deal was found by Cheapflights users on 2/1. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:34 am
SFO
- BOS
1 stop9h 25m
Hawaiian Airlines
Wed 3/49:02 am
BOS
- SFO
1 stop9h 46m
Hawaiian Airlines
Deal found 2/1![Hawaiian Airlines logo]()
$216
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:34 am
SFO
- BOS
1 stop9h 25m
Alaska Airlines
Tue 3/39:02 am
BOS
- SFO
1 stop12h 05m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$217
This Expedia deal was found by Cheapflights users on 2/2. 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 5/1610:38 pm
SFO
- BOS
1 stop10h 07m
Multiple Airlines
Sat 5/235:55 pm
BOS
- SFO
Nonstop6h 46m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$219
This Expedia deal was found by Cheapflights users on 2/2. 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.
Wed 3/2512:20 pm
SFO
- BOS
Nonstop5h 38m
Multiple Airlines
Wed 4/85:45 am
BOS
- SFO
1 stop16h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$220
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:38 pm
SFO
- BOS
1 stop10h 07m
Frontier
Wed 4/226:00 am
BOS
- SFO
1 stop13h 54m
Frontier
Deal found 2/2![Frontier logo]()
$221
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/311:59 pm
SFO
- BOS
1 stop7h 51m
United Airlines
Mon 3/95:45 am
BOS
- SFO
Nonstop6h 58m
United Airlines
Deal found 1/31![United Airlines logo]()
$222
This Expedia deal was found by Cheapflights users on 2/2. 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.
Thu 3/510:40 pm
SFO
- BOS
1 stop10h 01m
Multiple Airlines
Tue 3/109:02 am
BOS
- SFO
1 stop12h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$223
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:38 pm
SFO
- BOS
1 stop10h 07m
Multiple Airlines
Tue 5/196:50 am
BOS
- SFO
Nonstop6h 39m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$224
This Expedia deal was found by Cheapflights users on 2/2. 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.
Wed 4/292:10 pm
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Tue 5/56:00 am
BOS
- SFO
1 stop13h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$225
This Cheapflightsfares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:20 am
SFO
- BOS
Nonstop5h 39m
JetBlue
Tue 3/177:10 am
BOS
- SFO
Nonstop7h 00m
JetBlue
Deal found 2/3![JetBlue logo]()
$226
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 February 3, 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 February 3, 2026.
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/101:00 pm
SFO
- BOS
Nonstop5h 39m
Delta
Tue 3/175:20 pm
BOS
- SFO
Nonstop6h 53m
Delta
Deal found 2/1![Delta logo]()
$212
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/311:59 pm
SFO
- BOS
1 stop7h 51m
United Airlines
Mon 3/95:45 am
BOS
- SFO
Nonstop6h 58m
United Airlines
Deal found 1/31![United Airlines logo]()
$222
This JetBlue deal was found by Cheapflights users on 2/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:30 pm
SFO
- BOS
Nonstop5h 38m
JetBlue
Fri 5/159:10 pm
BOS
- SFO
Nonstop6h 44m
JetBlue
Deal found 2/2![JetBlue logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:31 pm
OAK
- BOS
1 stop10h 23m
Alaska Airlines
Wed 2/259:02 am
BOS
- OAK
1 stop10h 35m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:35 pm
SJC
- BOS
1 stop7h 30m
Southwest
Fri 4/105:30 am
BOS
- SJC
1 stop9h 50m
Southwest
Deal found 2/3![Southwest logo]()
$298
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/310:35 am
SFO
- BOS
1 stop8h 16m
United Airlines
Tue 3/107:55 am
BOS
- SFO
Nonstop7h 00m
United Airlines
Deal found 2/2![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/1. 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.
Wed 5/271:00 pm
SFO
- BOS
Nonstop5h 50m
Delta
Tue 6/28:50 pm
BOS
- SFO
Nonstop6h 33m
Delta
Deal found 2/1![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 2/1. 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 2/286:20 am
SJC
- BOS
1 stop9h 55m
Delta
Sat 3/77:15 am
BOS
- SJC
1 stop9h 22m
Delta
Deal found 2/1![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/1110:55 pm
SJC
- BOS
2 stops9h 15m
United Airlines
Wed 3/1812:07 pm
BOS
- SJC
2 stops13h 52m
United Airlines
Deal found 2/2![United Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:06 pm
SJC
- BOS
1 stop9h 43m
Alaska Airlines
Wed 5/278:05 am
BOS
- SJC
1 stop9h 14m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:45 pm
SJC
- BOS
2 stops10h 05m
Southwest
Wed 3/41:20 pm
BOS
- SJC
2 stops11h 50m
Southwest
Deal found 2/3![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:40 am
SJC
- BOS
1 stop9h 19m
Delta
Sat 3/216:15 am
BOS
- SJC
1 stop9h 16m
Delta
Deal found 2/3![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 1/31. 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.
Wed 3/1811:40 am
SJC
- BOS
1 stop9h 19m
Delta
Wed 3/252:00 pm
BOS
- SJC
1 stop10h 33m
Delta
Deal found 1/31![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 2/2. 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 4/2911:55 pm
OAK
- BOS
1 stop8h 00m
Southwest
Tue 5/52:25 pm
BOS
- OAK
1 stop12h 00m
Southwest
Deal found 2/2![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:10 pm
SFO
- BOS
Nonstop5h 39m
United Airlines
Sun 3/155:45 am
BOS
- SFO
Nonstop6h 58m
United Airlines
Deal found 2/3![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 2/2. 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.
Sun 5/109:54 pm
SFO
- BOS
Nonstop5h 51m
Delta
Wed 5/208:50 pm
BOS
- SFO
Nonstop6h 33m
Delta
Deal found 2/2![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 2/2. 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 7/84:15 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Thu 7/166:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 2/2![United Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:03 pm
OAK
- BOS
1 stop8h 17m
Alaska Airlines
Sat 5/238:05 am
BOS
- OAK
1 stop9h 27m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 2/1. 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.
Thu 4/307:05 am
SFO
- BOS
Nonstop5h 34m
Delta
Mon 5/48:45 pm
BOS
- SFO
Nonstop6h 42m
Delta
Deal found 2/1![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 2/3. 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 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
Fri 4/247:10 am
BOS
- OAK
1 stop8h 30m
Southwest
Deal found 2/3![Southwest logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:53 pm
STS
- BOS
1 stop26h 06m
Alaska Airlines
Mon 3/305:40 pm
BOS
- STS
1 stop32h 33m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 1/31. 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.
Mon 6/82:50 pm
SFO
- BOS
Nonstop5h 51m
Delta
Sat 6/1310:00 am
BOS
- SFO
Nonstop6h 57m
Delta
Deal found 1/31![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:53 pm
STS
- BOS
1 stop8h 46m
Alaska Airlines
Tue 3/315:40 pm
BOS
- STS
1 stop19h 23m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 2/2. 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 3/127:25 am
SFO
- BOS
Nonstop5h 32m
Delta
Sun 3/157:40 am
BOS
- SFO
Nonstop6h 58m
Delta
Deal found 2/2![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 3/286:53 pm
STS
- BOS
1 stop8h 46m
Alaska Airlines
Thu 4/26:00 am
BOS
- STS
2 stops20h 59m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 2/1. 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.
Sun 8/210:00 pm
SFO
- BOS
Nonstop5h 54m
Delta
Wed 8/197:00 am
BOS
- SFO
Nonstop6h 57m
Delta
Deal found 2/1![Delta logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:05 am
STS
- BOS
2 stops20h 34m
Alaska Airlines
Thu 4/95:40 pm
BOS
- STS
1 stop32h 33m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 7/812:45 pm
SJC
- BOS
1 stop9h 18m
Delta
Thu 7/165:40 am
BOS
- SJC
1 stop9h 29m
Delta
Deal found 2/2![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:53 pm
STS
- BOS
1 stop8h 46m
Alaska Airlines
Mon 3/305:40 pm
BOS
- STS
1 stop32h 33m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 1/31. 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.
Fri 5/295:00 pm
SJC
- BOS
1 stop10h 21m
Delta
Fri 6/55:55 am
BOS
- SJC
1 stop9h 23m
Delta
Deal found 1/31![Delta logo]()
$297
Last-minute flights from San Francisco Bay Area to BostonDiscover last-minute flight deals from San Francisco Bay Area to Boston. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco Bay Area to Boston. Data last updated February 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:34 am
SFO
- BOS
1 stop9h 25m
Alaska Airlines
Tue 3/39:02 am
BOS
- SFO
1 stop12h 05m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$217
This Jetabroad deal was found by Cheapflights users on 2/1. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:34 am
SFO
- BOS
1 stop9h 25m
Hawaiian Airlines
Wed 3/49:02 am
BOS
- SFO
1 stop9h 46m
Hawaiian Airlines
Deal found 2/1![Hawaiian Airlines logo]()
$216
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/311:59 pm
SFO
- BOS
1 stop7h 51m
United Airlines
Mon 3/95:45 am
BOS
- SFO
Nonstop6h 58m
United Airlines
Deal found 1/31![United Airlines logo]()
$222
This Super.com deal was found by Cheapflights users on 2/2. 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.
Tue 3/38:44 pm
SFO
- BOS
Nonstop5h 31m
JetBlue
Tue 3/104:40 pm
BOS
- SFO
Nonstop6h 49m
JetBlue
Deal found 2/2![JetBlue logo]()
$224
This Expedia deal was found by Cheapflights users on 2/2. 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.
Thu 3/510:40 pm
SFO
- BOS
1 stop10h 01m
Multiple Airlines
Tue 3/109:02 am
BOS
- SFO
1 stop12h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/101:00 pm
SFO
- BOS
Nonstop5h 39m
Delta
Tue 3/175:20 pm
BOS
- SFO
Nonstop6h 53m
Delta
Deal found 2/1![Delta logo]()
$212
This Cheapflightsfares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:20 am
SFO
- BOS
Nonstop5h 39m
JetBlue
Tue 3/177:10 am
BOS
- SFO
Nonstop7h 00m
JetBlue
Deal found 2/3![JetBlue logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:45 pm
SFO
- BOS
1 stop14h 09m
Alaska Airlines
Tue 3/177:00 am
BOS
- SFO
1 stop11h 48m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$227
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:38 pm
SFO
- BOS
1 stop10h 03m
Multiple Airlines
Wed 3/187:10 am
BOS
- SFO
Nonstop7h 00m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$214
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:38 pm
SFO
- BOS
1 stop10h 03m
Frontier
Wed 3/1811:51 am
BOS
- SFO
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$221
This Expedia deal was found by Cheapflights users on 2/2. 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.
Wed 3/2512:20 pm
SFO
- BOS
Nonstop5h 38m
Multiple Airlines
Wed 4/85:45 am
BOS
- SFO
1 stop16h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$220
This Super.com deal was found by Cheapflights users on 2/2. 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.
Tue 3/3110:00 pm
SFO
- BOS
Nonstop5h 40m
JetBlue
Wed 4/89:15 pm
BOS
- SFO
Nonstop6h 41m
JetBlue
Deal found 2/2![JetBlue logo]()
$228
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 February 3, 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 February 3, 2026.
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:55 pm
OAK
- BOS
1 stop8h 15m
Southwest
Deal found 2/3![Southwest logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:03 pm
SFO
- BOS
2 stops22h 12m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$126
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 2/88:40 am
SJC
- BOS
1 stop8h 25m
United Airlines
Deal found 2/2![United Airlines logo]()
$126
This Super.com deal was found by Cheapflights users on 2/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:40 am
SFO
- BOS
Nonstop5h 40m
JetBlue
Deal found 2/3![JetBlue logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:58 pm
SFO
- BOS
2 stops22h 01m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$128
This Jetabroad deal was found by Cheapflights users on 2/2. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:16 am
SJC
- BOS
1 stop10h 43m
Hawaiian Airlines
Deal found 2/2![Hawaiian Airlines logo]()
$128
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:15 am
OAK
- BOS
1 stop14h 44m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 2/2. 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 2/171:00 pm
SFO
- BOS
Nonstop5h 35m
Delta
Deal found 2/2![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:50 pm
SJC
- BOS
1 stop10h 20m
Delta
Deal found 2/3![Delta logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:55 pm
SFO
- BOS
1 stop23h 18m
Frontier
Deal found 2/1![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 3/29:35 am
SJC
- BOS
3 stops28h 10m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$130
This WAYA deal was found by Cheapflights users on 2/1. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:40 pm
SFO
- BOS
1 stop10h 01m
Frontier
Deal found 2/1![Frontier logo]()
$131
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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $212 (Delta) |
One-way from | $124 (Southwest) |
Popular in | December |
Cheapest in | February |
Average price | $322 |
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 February 3, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Boston that are best for you.
Fly from
San Francisco Bay Area
Fly to
Boston
Route
Depart
Return
Price
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 3/10
1:00 pm-9:39 pm
Nonstop5h 39m
Boston Logan Intl
Tue 3/17
5:20 pm-9:13 pm
Nonstop6h 53m
$212
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 3/3
11:59 pm-10:50 am
1 stop7h 51m
Boston Logan Intl
Mon 3/9
5:45 am-9:43 am
Nonstop6h 58m
$222
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 3/3
10:35 am-9:51 pm
1 stop8h 16m
Boston Logan Intl
Tue 3/10
7:55 am-11:55 am
Nonstop7h 00m
$237
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 5/27
1:00 pm-9:50 pm
Nonstop5h 50m
Boston Logan Intl
Tue 6/2
8:50 pm-12:23 am
Nonstop6h 33m
$237
San JoseBoston
SJC - BOS
SJCBOS
San Jose
Sat 2/28
6:20 am-7:15 pm
1 stop9h 55m
Boston Logan Intl
Sat 3/7
7:15 am-1:37 pm
1 stop9h 22m
$257
San JoseBoston
SJC - BOS
SJCBOS
San Jose
Wed 3/18
11:40 am-11:59 pm
1 stop9h 19m
Boston Logan Intl
Sat 3/21
6:15 am-12:31 pm
1 stop9h 16m
$257
San JoseBoston
SJC - BOS
SJCBOS
San Jose
Wed 3/18
11:40 am-11:59 pm
1 stop9h 19m
Boston Logan Intl
Wed 3/25
2:00 pm-9:33 pm
1 stop10h 33m
$257
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sat 5/9
9:30 pm-6:08 am
Nonstop5h 38m
Boston Logan Intl
Fri 5/15
9:10 pm-12:54 am
Nonstop6h 44m
$265
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sun 5/10
9:54 pm-6:45 am
Nonstop5h 51m
Boston Logan Intl
Wed 5/20
8:50 pm-12:23 am
Nonstop6h 33m
$265
San JoseBoston
SJC - BOS
SJCBOS
San Jose
Wed 3/11
10:55 pm-11:10 am
2 stops9h 15m
Boston Logan Intl
Wed 3/18
12:07 pm-10:59 pm
2 stops13h 52m
$267
Showing 1-10 of 60 results
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.
SFO-BOS
OAK-BOS
SJC-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
SFO-BOS
OAK-BOS
SJC-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 June is currently the most expensive (average of $205). 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 February 3, 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 January 31, 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 February 3, 2026.
The most flights from zzXIH to BOS are scheduled on a Thursday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 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 February 3, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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.
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Lincoln
Warwick
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell
Chelsea
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
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 February 3, 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 February 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco Bay Area to Boston flights
Consider these flights traveling from San Francisco Bay Area to Boston.
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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$340 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$338 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$141 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$159 | Average$277 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$205 | Average$425 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$205 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$459 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$241 | Average$489 | FlexibilityNo cancel fee | On-time71% |