United Airlines Boston to San Francisco Flights

Cheapflightsplus.com will find cheap United Airlines flights from Boston to San Francisco. Compare airline ticket prices and book air tickets starting from $95 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Boston (MA) — San Francisco (CA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in april: one-way - $95, two-way – $163.
Direct flights
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
11:00 am — 2:49 pm
11:00 am — 2:49 pm UA1413 United Airlines
Boston — San Francisco
6h 49m
Find flight
from$199
1:30 pm — 5:19 pm
1:30 pm — 5:19 pm UA1187 United Airlines
Boston — San Francisco
6h 49m
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from$117
5:45 am — 9:40 am
5:45 am — 9:40 am UA2367 United Airlines
Boston — San Francisco
6h 55m
Find flight
from$197
5:55 am — 9:40 am
5:55 am — 9:40 am UA2441 United Airlines
Boston — San Francisco
6h 45m
Find flight
from$117
6:00 pm — 9:49 pm
6:00 pm — 9:49 pm UA2400 United Airlines
Boston — San Francisco
6h 49m
Find flight
from$95
7:38 pm — 1:07 am
+1 day
7:38 pm — 1:07 am UA2136 United Airlines
Boston — San Francisco
8h 29m
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from$228
8:30 am — 12:20 pm
8:30 am — 12:20 pm UA1008 United Airlines
Boston — San Francisco
6h 50m
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from$117
10:25 am — 5:16 pm
10:25 am — 11:50 am UA592 United Airlines
Boston — Newark
2h 10m stop
2:00 pm — 5:16 pm UA608 United Airlines
Newark — San Francisco
9h 51m
including layover
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from$206
10:25 am — 7:03 pm
10:25 am — 11:50 am UA592 United Airlines
Boston — Newark
3h 40m stop
3:30 pm — 7:03 pm UA2080 United Airlines
Newark — San Francisco
11h 38m
including layover
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from$206
11:35 am — 7:11 pm
11:35 am — 2:25 pm UA414 United Airlines
Boston — Denver
2h 55m stop
5:20 pm — 7:11 pm UA1076 United Airlines
Denver — San Francisco
10h 36m
including layover
Find flight
from$206
12:12 pm — 6:45 pm
12:10 pm — 2:08 pm UA222 United Airlines
Boston — Chicago
1h 40m stop
4:02 pm — 6:57 pm UA2409 United Airlines
Chicago — San Francisco
9h 33m
including layover
Find flight
from$206
12:25 pm — 6:50 pm
12:25 pm — 2:21 pm UA1732 United Airlines
Boston — Chicago
1h 49m stop
4:10 pm — 6:50 pm UA2409 United Airlines
Chicago — San Francisco
9h 25m
including layover
Find flight
from$210
1:30 pm — 9:05 pm
1:30 pm — 5:10 pm UA1976 United Airlines
Boston — Houston
1h 25m stop
6:35 pm — 9:05 pm UA2636 United Airlines
Houston — San Francisco
10h 35m
including layover
Find flight
from$206
2:00 pm — 7:49 pm
2:00 pm — 3:25 pm UA2454 United Airlines
Boston — Newark
1h 5m stop
4:30 pm — 7:49 pm UA648 United Airlines
Newark — San Francisco
8h 49m
including layover
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from$206
2:45 pm — 8:58 pm
2:45 pm — 4:28 pm UA214 United Airlines
Boston — Washington D.C.
1h 32m stop
6:00 pm — 8:58 pm UA1757 United Airlines
Washington D.C. — San Francisco
9h 13m
including layover
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from$206
3:14 pm — 10:56 pm
3:14 pm — 6:04 pm UA778 United Airlines
Boston — Denver
3h 1m stop
9:05 pm — 10:56 pm UA2190 United Airlines
Denver — San Francisco
10h 42m
including layover
Find flight
from$206
3:35 pm — 11:34 pm
3:35 pm — 4:59 pm UA1977 United Airlines
Boston — Newark
3h 1m stop
8:00 pm — 11:34 pm UA448 United Airlines
Newark — San Francisco
10h 59m
including layover
Find flight
from$206
4:43 pm — 11:13 pm
4:23 pm — 6:19 pm UA2040 United Airlines
Boston — Chicago
1h 44m stop
8:20 pm — 11:08 pm UA210 United Airlines
Chicago — San Francisco
9h 30m
including layover
Find flight
from$206
4:55 pm — 10:56 pm
4:48 pm — 7:37 pm UA800 United Airlines
Boston — Denver
1h 25m stop
9:05 pm — 10:55 pm UA2190 United Airlines
Denver — San Francisco
9h 1m
including layover
Find flight
from$206
6:00 am — 12:05 pm
6:00 am — 9:36 am UA217 United Airlines
Boston — Los Angeles
59m stop
10:35 am — 12:05 pm UA1791 United Airlines
Los Angeles — San Francisco
9h 5m
including layover
Find flight
from$181
7:05 am — 3:25 pm
7:05 am — 10:00 am UA647 United Airlines
Boston — Denver
3h 34m stop
1:34 pm — 3:25 pm UA304 United Airlines
Denver — San Francisco
11h 20m
including layover
Find flight
from$206
7:05 am — 5:13 pm
7:05 am — 10:45 am UA226 United Airlines
Boston — Houston
3h 55m stop
2:40 pm — 5:13 pm UA1385 United Airlines
Houston — San Francisco
13h 8m
including layover
Find flight
from$206
8:30 am — 8:05 pm
8:30 am — 12:05 pm UA311 United Airlines
Boston — Los Angeles
6h 34m stop
6:39 pm — 8:05 pm F94593 Frontier Airlines
Los Angeles — San Francisco
14h 35m
including layover
Find flight
from$214
9:15 am — 3:25 pm
9:15 am — 12:05 pm UA662 United Airlines
Boston — Denver
1h 29m stop
1:34 pm — 3:25 pm UA304 United Airlines
Denver — San Francisco
9h 10m
including layover
Find flight
from$206
9:30 am — 3:38 pm
9:30 am — 11:28 am UA216 United Airlines
Boston — Chicago
1h 17m stop
12:45 pm — 3:38 pm UA1878 United Airlines
Chicago — San Francisco
9h 8m
including layover
Find flight
from$206
*Departure and arrival times are local. Last updated on 04/03/2025

Flight Information

There are 7 flights by United Airlines from Boston to San Francisco every week with departures from Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail. All flights arrive at San Francisco, Embarkadero, China Basin Heliport.

Departures start from 10:25 am to 9:38 am. Nonstop flight is 6h 45m. The time difference between Boston and San Francisco is 3h.

  • The fastest flight 6h 45m
  • Average flight time 6h 49m
  • The earliest flight 10:25 am
  • The latest flight 9:38 am
  • Distance 2698 ml

The cheapest months for traveling to San Francisco are april (from 95 $), november (from 117 $), december (from 176 $).

The most expensive and popular months are january (from 206 $), february (from 197 $), december (from 176 $).

The cheapest flight by United Airlines that our users were able to find is $95. This airfare is economy class on one-way UA2400 flight for April 9, 2025 leaving Logan in Boston at 6:00 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

United Airlines is the only airline which provides flights on the route Boston — San Francisco. To choose the best flight cost and time we advise to get acquainted with its schedule and prices.

Nonstop flights

There are 7 direct flights every day from Boston. Airlines and fares are below:

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air 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 airfare.
  • 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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