Cheap Flights from San Francisco, CA to Boston, MA from $118

On Cheapflightsplus.com you will find 4 direct and 62 connecting flights from San Francisco to Boston. You can compare airfare deals from 7 airlines and multiple travel sites from $118, 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.

Find One-Way and Round-Trip San Francisco to Boston Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $118 (one-way), $202 (round-trip).
Direct flights
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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 Arrival Flight Details Flight Duration Price
05:15 — 16:43
05:15 — 11:46 UA1448 United Airlines
San Francisco — Chicago
1h 26m stop
13:12 — 16:43 UA2022 United Airlines
Chicago — Boston
8h 28m
including layover
Find flight
from$182
05:15 — 19:19
05:05 — 11:32 UA1448 United Airlines
San Francisco — Chicago
4h 2m stop
15:40 — 19:10 UA1677 United Airlines
Chicago — Boston
11h 4m
including layover
Find flight
from$248
06:10 — 15:00
06:10 — 15:00 HA6696 Hawaiian Airlines
San Francisco — Boston
5h 50m
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from$120
06:10 — 15:00
06:10 — 15:00 AS425 Alaska Airlines
San Francisco — Boston
5h 50m
Find flight
from$122
06:25 — 15:13
06:25 — 15:13 UA1015 United Airlines
San Francisco — Boston
5h 48m
Find flight
from$1074
06:30 — 19:19
06:10 — 12:37 UA587 United Airlines
San Francisco — Chicago
2h 47m stop
15:59 — 19:29 UA1677 United Airlines
Chicago — Boston
9h 49m
including layover
Find flight
from$182
07:00 — 19:19
07:00 — 13:32 UA2145 United Airlines
San Francisco — Chicago
2h 16m stop
15:48 — 19:19 UA1677 United Airlines
Chicago — Boston
9h 19m
including layover
Find flight
from$182
07:00 — 17:46
07:00 — 13:32 UA2145 United Airlines
San Francisco — Chicago
43m stop
14:15 — 17:46 UA664 United Airlines
Chicago — Boston
7h 46m
including layover
Find flight
from$239
08:26 — 18:55
08:25 — 16:23 UA1849 United Airlines
San Francisco — Washington D.C.
51m stop
17:33 — 19:20 UA688 United Airlines
Washington D.C. — Boston
7h 29m
including layover
Find flight
from$328
10:35 — 23:57
10:35 — 18:52 UA1355 United Airlines
San Francisco — Washington D.C.
3h 26m stop
22:18 — 23:59 UA755 United Airlines
Washington D.C. — Boston
10h 22m
including layover
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from$239
11:45 — 12:08
+2 days
11:45 — 13:20 F93308 Frontier Airlines
San Francisco — Los Angeles
24h 55m stop
14:15 — 22:12 F94146 Frontier Airlines
Los Angeles — Orlando
10h 48m stop
09:00 — 12:08 F93348 Frontier Airlines
Orlando — Boston
45h 23m
including layover
Find flight
from$353
11:45 — 09:39
+2 days
11:45 — 13:20 F93308 Frontier Airlines
San Francisco — Los Angeles
24h 55m stop
14:15 — 22:12 F94146 Frontier Airlines
Los Angeles — Orlando
8h 18m stop
06:30 — 09:39 NK2443 Spirit Airlines
Orlando — Boston
42h 54m
including layover
Find flight
from$397
13:15 — 23:57
13:10 — 21:17 UA562 United Airlines
San Francisco — Washington D.C.
56m stop
22:18 — 23:57 UA755 United Airlines
Washington D.C. — Boston
7h 42m
including layover
Find flight
from$181
23:30 — 08:16
+1 day
23:30 — 08:16 UA1665 United Airlines
San Francisco — Boston
5h 46m
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from$169
23:57 — 10:35
+1 day
21:00 — 05:08 UA2110 United Airlines
San Francisco — Washington D.C.
47m stop
08:40 — 10:21 UA641 United Airlines
Washington D.C. — Boston
7h 38m
including layover
Find flight
from$181
*Departure and arrival times - local. Updated on September 13, 2025

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 05:00 to 23:59 from 3 San Francisco airports and arrive 05:00 to 23:59 to 4 Boston airports. Average flight time is 5h 49m.

  • The fastest flight 5h 46m
  • Average flight time 5h 49m
  • The earliest flight 05:00
  • The latest flight 23:59
  • Distance 2698 ml

Popular Airlines on the Route

The flight San Francisco — Boston is served by 7 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 7 departures per week at the price of from $ 122 . And the most expensive tickets are offered by SWISS International Air Lines airline - from $ 5958.

Direct flights

There are 4 nonstop flights on the route. The fastest direct flight is UA1665 by United Airlines takes 5h 46m.

  • AS - Alaska Airlines
    from $122
    Find
  • HA - Hawaiian Airlines
    from $120
    Find
  • UA - United Airlines
    from $169
    Find
See more direct flights

Connecting Flights

There are 62 flights with layovers on the route. The fastest connecting flight is UA1849 by United Airlines takes 7h 29m.

  • AS - Alaska Airlines
    from $645
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  • F9 - Frontier Airlines
    from $353
    Find
  • SY - Sun Country Airlines
    from $889
    Find
  • AY - Finnair
    from $2137
    Find
  • HA - Hawaiian Airlines
    from $715
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  • UA - United Airlines
    from $181
    Find
  • LX - SWISS International Air Lines
    from $5958
    Find
See more connecting flights

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 $120
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  • Embarkadero-EMB
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  • China Basin Heliport-JCC
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Boston airports

  • Boston City Heliport-JBC
    Find
  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
    Find
  • Logan-BOS
    Find

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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