United Airlines London to San Francisco Flights

Cheapflightsplus.com will find cheap United Airlines flights from London to San Francisco. Compare airline ticket prices and book air tickets starting from $498 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 London — 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 june: one-way - $498, two-way – $854.
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
10:35 am — 1:35 pm
10:35 am — 1:35 pm UA900 United Airlines
London — San Francisco
11h
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from$740
10:50 am — 7:00 pm
10:50 am — 1:45 pm UA9230 United Airlines
London — Munich
2h 45m stop
4:30 pm — 7:00 pm UA8883 United Airlines
Munich — San Francisco
16h 10m
including layover
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from$1113
12:20 pm — 3:20 pm
12:20 pm — 3:20 pm UA949 United Airlines
London — San Francisco
11h
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from$740
2:10 pm — 9:45 pm
2:10 pm — 3:55 pm UA8581 United Airlines
London — Vancouver
3h 25m stop
7:20 pm — 9:45 pm UA1083 United Airlines
Vancouver — San Francisco
15h 35m
including layover
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from$1115
4:15 pm — 7:10 pm
4:15 pm — 7:10 pm UA939 United Airlines
London — San Francisco
10h 55m
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from$498
4:40 pm — 0:57 am
+1 day
4:40 pm — 8:00 pm UA925 United Airlines
London — Washington D.C.
2h 8m stop
10:08 pm — 0:57 am UA367 United Airlines
Washington D.C. — San Francisco
16h 17m
including layover
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from$1138
5:40 pm — 9:07 am
+1 day
5:40 pm — 8:30 pm UA8309 United Airlines
London — Toronto
10h stop
6:30 am — 9:07 am UA565 United Airlines
Toronto — San Francisco
23h 27m
including layover
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from$1131
6:00 pm — 9:10 am
+1 day
6:00 pm — 9:20 pm UA921 United Airlines
London — Newark
8h 40m stop
6:00 am — 9:10 am UA2115 United Airlines
Newark — San Francisco
23h 10m
including layover
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from$2613
6:30 am — 12:40 pm
6:30 am — 9:05 am UA9546 United Airlines
London — Frankfurt
1h 20m stop
10:25 am — 12:40 pm UA8829 United Airlines
Frankfurt — San Francisco
14h 10m
including layover
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from$1131
7:25 am — 2:20 pm
7:25 am — 10:15 am UA8884 United Airlines
London — Munich
1h 30m stop
11:45 am — 2:20 pm UA195 United Airlines
Munich — San Francisco
14h 55m
including layover
Find flight
from$1124
*Departure and arrival times are local. Last updated on 05/24/2025

Flight Information

There are 3 flights by United Airlines from London to San Francisco every week with departures from Gatwick, London City, Heathrow, Luton, Stansted, Stratford International Rail St, Ebbsfleet International Rail St, London Biggin Hill, London-Waterloo, British Rail Terminal. All flights arrive at San Francisco, Embarkadero, China Basin Heliport.

Departures start from 10:35 am to 7:25 am. Nonstop flight is 10h 55m. The time difference between London and San Francisco is 8h.

  • The fastest flight 10h 55m
  • Average flight time 11h
  • The earliest flight 10:35 am
  • The latest flight 7:25 am
  • Distance 5363 ml

The cheapest months for traveling to San Francisco are may (from 664 $), november (from 713 $), february (from 739 $).

The most expensive and popular months are june (from 1 241 $), july (from 1 012 $), august (from 987 $).

The cheapest flight by United Airlines that our users were able to find is $498. This airfare is economy class on one-way UA939 flight for May 24, 2025 leaving Heathrow in London at 4:15 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 39 airline carriers between London and San Francisco. Please review schedules and prices from the most popular airlines to find the best airfare deals from London to San Francisco.

Nonstop flights

There are 23 direct flights every day from London. Airlines and fares are below:

  • from $336
    Find
  • KL - KLM
    from $348
    Find
  • OS - Austrian Airlines
    from $1026
    Find
  • AF - Air France
    from $348
    Find
  • AY - Finnair
    from $356
    Find
  • IB - Iberia
    from $336
    Find
  • SN - Brussels Airlines
    from $1084
    Find
  • LH - Lufthansa
    from $1011
    Find
  • VS - Virgin Atlantic Airways
    from $1231
    Find
See more direct flights

Connecting Flights

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

  • from $330
    Find
  • W9 - Wizz Air UK
    from $469
    Find
  • VY - Vueling
    from $245
    Find
  • FI - Icelandair
    from $391
    Find
  • BJ - Nouvelair Tunisie
    from $588
    Find
  • DN - Senegal Airlines
    from $427
    Find
  • FR - Ryanair
    from $296
    Find
  • LX - SWISS International Air Lines
    from $408
    Find
  • A1 - G2 Switch Works
    from $375
    Find
  • A3 - Aegean Airlines
    from $358
    Find
  • DY - Norwegian
    from $356
    Find
See more connecting flights

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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