Cheap Flights from Boston, MA to San Francisco, CA from $106

On Cheapflightsplus.com you will find 29 direct and 392 connecting flights from Boston to San Francisco. You can compare airfare deals from 9 airlines and multiple travel sites from $106, book and save on cheap plane tickets and last minute offers. Also check out BOS-SFO flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Boston to San Francisco depends on and how to choose the most interesting flight option for you.

Distance between Boston and San Francisco is 4341 miles. Time difference between the cities is 3h. Airplanes depart 05:14 to 21:59 from 4 Boston airports and arrive 05:14 to 21:59 to 3 San Francisco airports. Average flight time is 6h 37m.

  • The fastest flight 6h 28m
  • Average flight time 6h 37m
  • The earliest flight 05:14
  • The latest flight 21:59
  • Distance 2698 ml

The cheapest months to travel to San Francisco are february (from 106 $), september (from 125 $), august (from 126 $).

The most expensive months are may (from 163 $), october (from 152 $), june (from 137 $).

What is the lowest airfare Boston to San Francisco?

The cheapest plane ticket found by our users is $106. This airfare is for economy class on one-way UA2400 flight by United Airlines for February 11, 2026 which leaves Logan in Boston at 18:18 am and arrives at San Francisco San Francisco at 21:50.

Economy class
$106
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Business class
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First class
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Flight Schedule Boston (Massachusetts) to San Francisco (California)

06:00 — 09:28
6h 28m flight time
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from$131
Boston — San Francisco
UA2441 United Airlines
07:00 — 10:49
6h 49m flight time
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from$141
Boston — San Francisco
AS357 Alaska Airlines
07:30 — 11:07
6h 37m flight time
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from$137
Boston — San Francisco
HA4826 Hawaiian Airlines
07:30 — 11:07
6h 37m flight time
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from$141
Boston — San Francisco
AS308 Alaska Airlines
08:05 — 11:36
6h 31m flight time
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from$131
Boston — San Francisco
UA1008 United Airlines
10:30 — 14:01
6h 31m flight time
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from$177
Boston — San Francisco
UA2279 United Airlines
13:48 — 17:17
6h 29m flight time
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from$177
Boston — San Francisco
UA1074 United Airlines
14:00 — 17:29
6h 29m flight time
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from$179
Boston — San Francisco
UA390 United Airlines
15:50 — 19:33
6h 43m flight time
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from$544
Boston — San Francisco
B6233 JetBlue
16:20 — 19:49
6h 29m flight time
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from$177
Boston — San Francisco
UA733 United Airlines
17:00 — 20:50
6h 50m flight time
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from$483
Boston — San Francisco
DL1655 Delta Air Lines Inc.
18:18 — 21:50
6h 32m flight time
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from$106
Boston — San Francisco
UA2400 United Airlines
19:59 — 23:44
6h 45m flight time
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from$141
Boston — San Francisco
AS548 Alaska Airlines
20:12 — 23:44
6h 32m flight time
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from$152
Boston — San Francisco
HA4788 Hawaiian Airlines
20:19 — 23:59
6h 40m flight time
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from$155
Boston — San Francisco
HA4812 Hawaiian Airlines
20:23 — 23:52
6h 29m flight time
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from$125
Boston — San Francisco
HA4827 Hawaiian Airlines
20:23 — 23:52
6h 29m flight time
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from$129
Boston — San Francisco
AS356 Alaska Airlines
21:16 — 00:58+1day
6h 42m flight time
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from$429
Boston — San Francisco
B6333 JetBlue
Full flight schedule will help you in detecting at what time planes fly from Boston to San Francisco. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on February 5, 2026.

Popular Airlines on the Route

The flight Boston — San Francisco is served by 9 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by American Airlines - 116 departures per week at the price of from $ 392 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 1964.

Direct flights

There are 29 nonstop flights on the route. The fastest direct flight is UA2441 by United Airlines takes 6h 28m and the cheapest is UA2400 by United Airlines for $106.

  • AA - American Airlines
    from $599
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  • AS - Alaska Airlines
    from $129
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  • B6 - JetBlue
    from $429
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  • DL - Delta Air Lines Inc.
    from $479
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  • HA - Hawaiian Airlines
    from $125
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  • UA - United Airlines
    from $106
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See more direct flights

Connecting Flights

There are 392 flights with layovers on the route. The fastest connecting flight is WN3535 by Southwest Airlines takes 7h 50m and the cheapest is UA2400 by United Airlines for $143.

  • AA - American Airlines
    from $392
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  • AS - Alaska Airlines
    from $153
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  • F9 - Frontier Airlines
    from $813
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  • B6 - JetBlue
    from $504
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  • SY - Sun Country Airlines
    from $669
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  • WN - Southwest Airlines
    from $504
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  • DL - Delta Air Lines Inc.
    from $465
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  • HA - Hawaiian Airlines
    from $143
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  • UA - United Airlines
    from $183
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See more connecting flights

Airports

You can fly from Boston to San Francisco from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).

Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
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  • Logan-BOS
    from $106
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San Francisco airports

  • San Francisco-SFO
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  • Embarkadero-EMB
    Find
  • China Basin Heliport-JCC
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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