$113+ Cheap flights from Boston (BOS) to San Francisco Bay Area
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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Mar 7 — Mar 141
1 adult, Economy
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Find cheap flights from Boston to San Francisco Bay Area with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Boston to San Francisco Bay AreaExplore the most affordable flight options available from Boston to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
Explore the most affordable flight options available from Boston to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:33 pm
BOS
- SFO
Nonstop6h 52m
JetBlue
Wed 2/258:20 am
SFO
- BOS
Nonstop5h 39m
JetBlue
Deal found 2/2![JetBlue logo]()
$218
This Orbitz deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:00 am
BOS
- SFO
1 stop10h 02m
Multiple Airlines
Wed 3/1110:38 pm
SFO
- BOS
1 stop10h 03m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$219
This Trip.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:36 pm
BOS
- SFO
1 stop10h 08m
Hawaiian Airlines
Wed 2/2511:34 am
SFO
- BOS
1 stop9h 25m
Hawaiian Airlines
Deal found 2/4![Hawaiian Airlines logo]()
$220
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:45 am
BOS
- SFO
1 stop16h 29m
Frontier
Wed 4/1510:38 pm
SFO
- BOS
1 stop10h 07m
Frontier
Deal found 2/3![Frontier logo]()
$221
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.
Tue 3/35:50 pm
BOS
- SFO
2 stops33h 38m
Multiple Airlines
Wed 3/1110:38 pm
SFO
- BOS
1 stop10h 03m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$222
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:00 am
BOS
- SFO
1 stop10h 02m
Multiple Airlines
Mon 3/910:38 pm
SFO
- BOS
1 stop10h 03m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$223
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.
Tue 3/37:10 am
BOS
- SFO
Nonstop7h 00m
JetBlue
Tue 3/38:44 pm
SFO
- BOS
Nonstop5h 31m
JetBlue
Deal found 2/3![JetBlue logo]()
$224
This Expedia deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
BOS
- SFO
1 stop13h 54m
Multiple Airlines
Wed 4/223:10 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$225
This Cheapflightsfares deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:10 am
BOS
- SFO
Nonstop7h 00m
JetBlue
Tue 3/178:20 am
SFO
- BOS
Nonstop5h 39m
JetBlue
Deal found 2/4![JetBlue logo]()
$226
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 2/255:35 pm
BOS
- SFO
Nonstop7h 00m
Delta
Wed 3/111:00 pm
SFO
- BOS
Nonstop5h 39m
Delta
Deal found 2/3![Delta logo]()
$227
This Trip.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:36 pm
BOS
- SFO
1 stop10h 08m
Multiple Airlines
Wed 2/253:25 pm
SFO
- BOS
Nonstop5h 33m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$228
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:24 pm
BOS
- SFO
1 stop19h 13m
Multiple Airlines
Wed 3/1110:38 pm
SFO
- BOS
1 stop10h 03m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$229
Best flights from Boston to San Francisco Bay AreaDiscover carefully curated flight deals from Boston to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Boston to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:59 pm
BOS
- SJC
1 stop9h 17m
United Airlines
Wed 3/1110:55 pm
SJC
- BOS
1 stop8h 54m
United Airlines
Deal found 2/4![United Airlines logo]()
$237
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.
Tue 4/148:45 pm
BOS
- SFO
Nonstop6h 42m
Delta
Wed 4/2210:29 pm
SFO
- BOS
Nonstop5h 51m
Delta
Deal found 2/3![Delta logo]()
$237
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.
Wed 3/47:00 am
BOS
- SFO
1 stop11h 48m
Alaska Airlines
Mon 3/94:21 pm
SFO
- BOS
1 stop11h 33m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$237
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.
Mon 3/238:59 pm
BOS
- SFO
Nonstop6h 52m
JetBlue
Tue 3/243:25 pm
SFO
- BOS
Nonstop5h 33m
JetBlue
Deal found 2/2![JetBlue logo]()
$247
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 3/44:50 pm
BOS
- SJC
1 stop8h 20m
Southwest
Wed 3/119:50 pm
SJC
- BOS
1 stop7h 20m
Southwest
Deal found 2/2![Southwest logo]()
$254
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 2/257:45 am
BOS
- SFO
Nonstop7h 02m
Delta
Mon 3/27:10 am
SFO
- BOS
Nonstop5h 39m
Delta
Deal found 2/2![Delta logo]()
$247
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.
Mon 3/911:00 am
BOS
- SFO
Nonstop6h 52m
United Airlines
Wed 3/1111:35 pm
SFO
- BOS
Nonstop5h 38m
United Airlines
Deal found 2/3![United Airlines logo]()
$247
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.
Thu 2/198:33 pm
BOS
- SFO
Nonstop6h 52m
JetBlue
Wed 3/48:20 am
SFO
- BOS
Nonstop5h 39m
JetBlue
Deal found 2/2![JetBlue logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:36 pm
BOS
- SFO
1 stop10h 08m
Alaska Airlines
Tue 3/311:34 am
SFO
- BOS
1 stop9h 25m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:35 pm
BOS
- SFO
Nonstop7h 00m
Delta
Wed 2/257:10 am
SFO
- BOS
Nonstop5h 39m
Delta
Deal found 2/4![Delta logo]()
$247
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:50 am
BOS
- SJC
1 stop10h 55m
Southwest
Thu 3/59:50 pm
SJC
- BOS
1 stop9h 00m
Southwest
Deal found 2/1![Southwest logo]()
$274
This JetBlue deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:59 pm
BOS
- SFO
Nonstop6h 52m
JetBlue
Wed 5/133:10 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 2/4![JetBlue logo]()
$252
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 3/244:30 pm
BOS
- SJC
1 stop9h 29m
United Airlines
Wed 3/2510:55 pm
SJC
- BOS
1 stop8h 54m
United Airlines
Deal found 2/2![United Airlines logo]()
$257
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 2/247:00 am
BOS
- OAK
1 stop12h 37m
Alaska Airlines
Wed 3/45:31 pm
OAK
- BOS
1 stop10h 23m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:55 am
BOS
- SFO
1 stop11h 59m
Delta
Tue 5/269:54 pm
SFO
- BOS
Nonstop5h 51m
Delta
Deal found 2/4![Delta logo]()
$251
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:02 am
BOS
- OAK
1 stop10h 35m
Alaska Airlines
Tue 3/175:31 pm
OAK
- BOS
1 stop10h 23m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$262
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.
Mon 4/138:45 pm
BOS
- SFO
Nonstop6h 42m
Delta
Wed 4/221:00 pm
SFO
- BOS
Nonstop5h 41m
Delta
Deal found 2/3![Delta logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:00 am
BOS
- OAK
1 stop12h 37m
Alaska Airlines
Tue 3/175:31 pm
OAK
- BOS
1 stop10h 23m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:10 pm
BOS
- SJC
1 stop8h 14m
Delta
Wed 3/186:25 pm
SJC
- BOS
1 stop8h 07m
Delta
Deal found 2/4![Delta logo]()
$257
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.
Wed 2/257:00 am
BOS
- SJC
1 stop9h 42m
Alaska Airlines
Thu 3/57:10 pm
SJC
- BOS
1 stop8h 44m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$274
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.
Tue 3/312:15 pm
BOS
- SJC
1 stop10h 47m
Delta
Tue 4/79:15 am
SJC
- BOS
1 stop9h 07m
Delta
Deal found 2/3![Delta logo]()
$257
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 2/267:00 am
BOS
- SJC
1 stop9h 42m
Alaska Airlines
Wed 3/44:59 pm
SJC
- BOS
1 stop10h 55m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$274
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.
Wed 2/257:00 am
BOS
- SJC
1 stop9h 42m
Alaska Airlines
Mon 3/24:59 pm
SJC
- BOS
1 stop10h 55m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$274
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.
Mon 2/236:37 pm
BOS
- OAK
1 stop8h 14m
Delta
Tue 3/312:40 pm
OAK
- BOS
1 stop8h 22m
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.
Wed 2/257:00 am
BOS
- OAK
1 stop12h 37m
Alaska Airlines
Fri 3/65:31 pm
OAK
- BOS
1 stop10h 23m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:50 pm
BOS
- OAK
2 stops11h 56m
Delta
Tue 3/174:49 pm
OAK
- BOS
1 stop10h 21m
Delta
Deal found 2/4![Delta logo]()
$302
This CheapOair deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
BOS
- OAK
1 stop12h 37m
Alaska Airlines
Sat 2/285:31 pm
OAK
- BOS
1 stop10h 23m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:10 pm
BOS
- OAK
2 stops11h 36m
Delta
Wed 3/114:49 pm
OAK
- BOS
1 stop10h 21m
Delta
Deal found 2/4![Delta logo]()
$302
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 3/33:30 pm
BOS
- OAK
2 stops11h 21m
Delta
Tue 3/105:55 am
OAK
- BOS
2 stops11h 19m
Delta
Deal found 2/2![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:02 am
BOS
- OAK
1 stop10h 35m
Alaska Airlines
Wed 3/189:43 am
OAK
- BOS
1 stop17h 10m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$320
Last-minute flights from Boston to San Francisco Bay AreaDiscover last-minute flight deals from Boston to San Francisco Bay Area. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to San Francisco Bay Area. Data last updated February 5, 2026 and is based on user searches.
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.
Thu 2/59:30 am
BOS
- SJC
2 stops12h 42m
United Airlines
Sat 2/78:40 am
SJC
- BOS
2 stops9h 58m
United Airlines
Deal found 2/2![United Airlines logo]()
$261
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.
Fri 2/61:30 pm
BOS
- SJC
2 stops12h 14m
United Airlines
Sun 2/88:40 am
SJC
- BOS
1 stop8h 25m
United Airlines
Deal found 2/3![United Airlines logo]()
$256
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 2/247:15 am
BOS
- SJC
1 stop9h 22m
Delta
Wed 3/46:20 am
SJC
- BOS
1 stop9h 55m
Delta
Deal found 2/2![Delta logo]()
$257
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.
Wed 2/257:00 am
BOS
- SJC
1 stop9h 42m
Alaska Airlines
Wed 3/410:16 am
SJC
- BOS
1 stop10h 43m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$251
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.
Wed 2/257:00 am
BOS
- OAK
1 stop12h 37m
Alaska Airlines
Tue 3/35:31 pm
OAK
- BOS
1 stop10h 23m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$262
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 3/39:02 am
BOS
- SJC
1 stop11h 07m
Alaska Airlines
Tue 3/102:36 pm
SJC
- BOS
1 stop13h 18m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$254
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 3/310:30 am
BOS
- SJC
2 stops13h 35m
United Airlines
Tue 3/1010:55 pm
SJC
- BOS
1 stop8h 54m
United Airlines
Deal found 2/2![United Airlines logo]()
$259
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.
Mon 3/96:24 pm
BOS
- OAK
1 stop17h 50m
Alaska Airlines
Wed 3/116:15 am
OAK
- BOS
1 stop14h 44m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$267
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.
Tue 3/102:59 pm
BOS
- SJC
1 stop9h 17m
United Airlines
Tue 3/1710:55 pm
SJC
- BOS
1 stop8h 54m
United Airlines
Deal found 2/3![United Airlines logo]()
$237
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 3/107:00 am
BOS
- OAK
1 stop12h 37m
Alaska Airlines
Tue 3/176:15 am
OAK
- BOS
1 stop14h 44m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$247
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:36 pm
BOS
- SJC
1 stop9h 45m
American Airlines
Tue 3/176:00 am
SJC
- BOS
2 stops10h 16m
American Airlines
Deal found 2/3![American Airlines logo]()
$262
This CheapOair deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:44 pm
BOS
- SJC
1 stop19h 03m
Alaska Airlines
Tue 3/1710:16 am
SJC
- BOS
1 stop10h 43m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$247
One-way flights from Boston to San Francisco Bay AreaSearch for one-way flight options from Boston to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Boston to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Jettzy deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:09 pm
BOS
- SFO
Nonstop6h 50m
JetBlue
Deal found 2/4![JetBlue logo]()
$113
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.
Tue 2/246:00 am
BOS
- SFO
Nonstop6h 58m
United Airlines
Deal found 2/3![United Airlines logo]()
$114
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.
Tue 3/1012:36 pm
BOS
- SFO
2 stops38h 52m
Frontier
Deal found 2/3![Frontier logo]()
$115
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.
Tue 4/144:50 pm
BOS
- SFO
Nonstop6h 41m
JetBlue
Deal found 2/3![JetBlue logo]()
$117
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:10 pm
BOS
- SFO
Nonstop6h 44m
JetBlue
Deal found 2/2![JetBlue logo]()
$118
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/49:15 pm
BOS
- SFO
Nonstop6h 44m
JetBlue
Deal found 2/3![JetBlue logo]()
$119
This Southwest deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:15 am
BOS
- SJC
1 stop8h 40m
Southwest
Deal found 2/4![Southwest logo]()
$119
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.
Tue 4/146:01 am
BOS
- SFO
2 stops37h 51m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$120
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 3/1811:51 am
BOS
- SFO
1 stop10h 23m
Frontier
Deal found 2/2![Frontier logo]()
$121
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
BOS
- SFO
1 stop16h 14m
Frontier
Deal found 2/3![Frontier logo]()
$122
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:00 am
BOS
- OAK
1 stop12h 37m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:05 pm
BOS
- SFO
1 stop9h 11m
United Airlines
Deal found 2/4![United Airlines logo]()
$124
Find flight deals from Boston to San Francisco Bay Area
Keep the following information in mind while searching for Boston to San Francisco Bay Area flight deals. Data was last updated February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (SmartFares) |
One-way from | $113 (Jettzy) |
Popular in | December |
Cheapest in | March |
Average price | $357 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to San Francisco Bay Area 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 5, 2026.
Use the filters below to find and compare flights from Boston to San Francisco Bay Area that are best for you.
Fly from
Boston
Fly to
San Francisco Bay Area
Route
Depart
Return
Price
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Tue 3/10
2:59 pm-9:16 pm
1 stop9h 17m
San Jose
Wed 3/11
10:55 pm-10:49 am
1 stop8h 54m
$237
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 4/14
8:45 pm-12:27 am
Nonstop6h 42m
San Francisco
Wed 4/22
10:29 pm-7:20 am
Nonstop5h 51m
$237
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 3/4
7:00 am-3:48 pm
1 stop11h 48m
San Francisco
Mon 3/9
4:21 pm-6:54 am
1 stop11h 33m
$237
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 3/23
8:59 pm-12:51 am
Nonstop6h 52m
San Francisco
Tue 3/24
3:25 pm-11:58 pm
Nonstop5h 33m
$247
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 2/25
7:45 am-11:47 am
Nonstop7h 02m
San Francisco
Mon 3/2
7:10 am-3:49 pm
Nonstop5h 39m
$247
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 3/9
11:00 am-2:52 pm
Nonstop6h 52m
San Francisco
Wed 3/11
11:35 pm-8:13 am
Nonstop5h 38m
$247
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 2/19
8:33 pm-12:25 am
Nonstop6h 52m
San Francisco
Wed 3/4
8:20 am-4:59 pm
Nonstop5h 39m
$247
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 2/19
5:35 pm-9:35 pm
Nonstop7h 00m
San Francisco
Wed 2/25
7:10 am-3:49 pm
Nonstop5h 39m
$247
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 5/6
10:55 am-7:54 pm
1 stop11h 59m
San Francisco
Tue 5/26
9:54 pm-6:45 am
Nonstop5h 51m
$251
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 3/12
8:59 pm-12:51 am
Nonstop6h 52m
San Francisco
Wed 5/13
3:10 pm-11:58 pm
Nonstop5h 48m
$252
Showing 1-10 of 60 results
Best time to book a flight from Boston to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Boston with our price prediction graph.
BOS-SJC
BOS-OAK
BOS-SFO
BOS-STS
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 Boston to San Francisco Bay Area
BOS-zzXIH
BOS-SJC
BOS-OAK
BOS-SFO
BOS-STS
What is the cheapest month to book a flight from Boston to San Francisco Bay Area?
Currently, March is the cheapest month in which you can book a flight from Boston to San Francisco Bay Area (average of $103). Flying from Boston to San Francisco Bay Area in January is currently the most expensive (average of $181). 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 BOS to XIH?
Find hourly flight availability from Boston to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 5, 2026.
It’s optimal to fly from Boston to San Francisco Bay Area in the evening. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Boston to San Francisco Bay Area?
Use this chart to determine the cheapest time to fly round-trip from Boston to San Francisco Bay Area. Price data was last updated on January 31, 2026.
Travelers seeking maximum savings on their Boston to San Francisco Bay Area flight should consider departing on Thursday afternoons 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 Boston to San Francisco Bay Area
Explore weekly flight availability from Boston to San Francisco Bay Area. 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 5, 2026.
The most flights from BOS to zzXIH are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
Reviews of airlines servicing San Francisco Bay Area
Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated February 5, 2026.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Boston to San Francisco Bay Area have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Boston to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boston to San Francisco Bay Area
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Complete your trip
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Search flights from Boston to San Francisco Bay Area by cabin class
Find flights from Boston to San Francisco Bay Area, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and San Francisco Bay Area flights
Browse other Boston and San Francisco Bay Area flight options. Last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 9 airlines flying from Boston to San Francisco Bay Area
Discover the top 9 airlines that operate flights from Boston to San Francisco Bay Area. 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$210 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$304 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$299 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$141 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$424 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$422 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$207 | Average$334 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$217 | Average$478 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$385 | FlexibilityNo cancel fee | On-time69% |