Cheap Flights from San Francisco, CA to Boston, MA from $184

On Cheapflightsplus.com you will find 7 direct and 65 connecting flights from San Francisco to Boston. You can compare airfare deals from 6 airlines and multiple travel sites from $184, book and save on cheap plane tickets and last minute offers. Also check out SFO-BOS 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 San Francisco to Boston depends on and how to choose the most interesting flight option for you.

Distance between San Francisco and Boston is 4341 miles. Time difference between the cities is 3h. Airplanes depart 00:45 to 23:59 from 3 San Francisco airports and arrive 00:45 to 23:59 to 4 Boston airports. Average flight time is 5h 56m.

  • The fastest flight 5h 54m
  • Average flight time 5h 56m
  • The earliest flight 00:45
  • The latest flight 23:59
  • Distance 2698 ml

The cheapest months to travel to Boston are june (from 184 $), december (from 341 $), october (from 350 $).

What is the lowest airfare San Francisco to Boston?

The cheapest plane ticket found by our users is $184. This airfare is for economy class on one-way AS2415 flight by Alaska Airlines for June 9, 2026 which leaves San Francisco in San Francisco at 18:41 am and arrives at Boston Logan at 05:49.

Economy class
$184
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Business class
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First class
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Flight Schedule San Francisco (California) to Boston (Massachusetts)

07:00 — 20:59
10h 59m flight time
Find flight
from$202
07:00 — 13:00 San Francisco — Houston
UA686 United Airlines
3h 20m stop
16:20 — 20:59 Houston — Boston
UA1447 United Airlines
07:00 — 15:54
5h 54m flight time
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from$400
San Francisco — Boston
UA1015 United Airlines
08:10 — 17:04
5h 54m flight time
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from$351
San Francisco — Boston
UA2647 United Airlines
10:05 — 18:59
5h 54m flight time
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from$297
San Francisco — Boston
UA2356 United Airlines
12:45 — 21:41
5h 56m flight time
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from$233
San Francisco — Boston
UA1372 United Airlines
16:10 — 01:06+1day
5h 56m flight time
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from$233
San Francisco — Boston
UA2001 United Airlines
17:41 — 05:49+1day
9h 8m flight time
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from$184
17:41 — 19:23 San Francisco — San Diego
AS3376 Alaska Airlines
1h 36m stop
20:59 — 05:49 San Diego — Boston
AS255 Alaska Airlines
18:15 — 07:18+1day
10h 3m flight time
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from$202
18:15 — 20:00 San Francisco — Los Angeles
UA1427 United Airlines
2h 55m stop
22:55 — 07:18 Los Angeles — Boston
UA2210 United Airlines
18:41 — 05:49+1day
8h 8m flight time
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from$184
18:41 — 20:21 San Francisco — San Diego
AS2415 Alaska Airlines
38m stop
20:59 — 05:49 San Diego — Boston
AS255 Alaska Airlines
19:01 — 05:58+1day
7h 57m flight time
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from$202
19:01 — 22:53 San Francisco — Denver
UA2436 United Airlines
1h 6m stop
23:59 — 05:58 Denver — Boston
UA2656 United Airlines
19:33 — 07:18+1day
8h 45m flight time
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from$202
19:33 — 21:18 San Francisco — Los Angeles
UA2409 United Airlines
1h 37m stop
22:55 — 07:18 Los Angeles — Boston
UA2210 United Airlines
21:15 — 06:13+1day
5h 58m flight time
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from$192
San Francisco — Boston
UA796 United Airlines
21:30 — 09:56+1day
9h 26m flight time
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from$202
21:30 — 06:00 San Francisco — Washington D.C.
UA705 United Airlines
2h 25m stop
08:25 — 09:56 Washington D.C. — Boston
UA641 United Airlines
22:35 — 09:24+1day
7h 49m flight time
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from$202
22:35 — 04:58 San Francisco — Chicago
UA2278 United Airlines
1h 2m stop
06:00 — 09:24 Chicago — Boston
UA1186 United Airlines
23:20 — 08:18+1day
5h 58m flight time
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from$341
San Francisco — Boston
UA1665 United Airlines
Full flight schedule will help you in detecting at what time planes fly from San Francisco to Boston. 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 San Francisco — Boston is served by 6 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 22 departures per week at the price of from $ 184 . And the most expensive tickets are offered by TAP Portugal airline - from $ 1796.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is UA2356 by United Airlines takes 5h 54m and the cheapest is AS2415 by Alaska Airlines for $192.

  • UA - United Airlines
    from $192
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Connecting Flights

There are 65 flights with layovers on the route. The fastest connecting flight is UA755 by United Airlines takes 7h 34m and the cheapest is AS2415 by Alaska Airlines for $184.

  • AS - Alaska Airlines
    from $184
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  • PD - Porter Airlines
    from $446
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  • MX - Mexicana
    from $320
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  • UA - United Airlines
    from $202
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  • WS - WestJet
    from $361
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  • TP - TAP Portugal
    from $1796
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Airports

You can fly from San Francisco to Boston from 3 airports (San Francisco, Embarkadero, China Basin Heliport).

San Francisco airports

  • San Francisco-SFO
    from $184
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  • Embarkadero-EMB
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  • China Basin Heliport-JCC
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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
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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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