United Airlines London to San Francisco Flights

Return flight: San Francisco – London
Page navigation
Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap United Airlines flights from London to San Francisco. Compare airline ticket prices and book air tickets starting from $320 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 march: one-way - $320, two-way – $549.
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights

Cheap Flights from London to San Francisco by United Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by United Airlines, their prices start from $320. The fastest nonstop flight takes 11h 10m. The fastest connecting flight — 14h 5m.
Price Departure Arrival Flight Time Airline Flight
from $320
Find flight
1:45 pm
London
Heathrow
 4:55 pm
San Francisco
San Francisco
 11h 10m United Airlines
UA949
from $330
Find flight
10:05 am
London
Heathrow
 1:15 pm
San Francisco
San Francisco
 11h 10m United Airlines
UA900
from $348
Find flight
7:40 am
London
Heathrow
 2:50 pm
San Francisco
San Francisco
 15h 10m
layover
1h 20m - Munich
 United Airlines
UA8884
UA195
from $350
Find flight
6:30 am
London
Heathrow
 12:35 pm
San Francisco
San Francisco
 14h 5m
layover
1h 0m - Frankfurt
 United Airlines
UA9546
UA8829
Show All Flights
*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/23/2025
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
10:05 am — 1:15 pm
10:05 am — 1:15 pm UA900 United Airlines
London — San Francisco
11h 10m
Find flight
from$330
1:45 pm — 4:55 pm
1:45 pm — 4:55 pm UA949 United Airlines
London — San Francisco
11h 10m
Find flight
from$320
6:30 am — 12:35 pm
6:30 am — 9:05 am UA9546 United Airlines
London — Frankfurt
1h stop
10:05 am — 12:50 pm UA8829 United Airlines
Frankfurt — San Francisco
14h 5m
including layover
Find flight
from$350
7:40 am — 2:50 pm
7:40 am — 10:30 am UA8884 United Airlines
London — Munich
1h 20m stop
11:55 am — 3:00 pm UA195 United Airlines
Munich — San Francisco
15h 10m
including layover
Find flight
from$348
*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 2 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 10:05 am to 7:40 am. Nonstop flight is 11h 10m. The time difference between London and San Francisco is 8h.

  • The fastest flight 11h 10m
  • Average flight time 11h 10m
  • The earliest flight 10:05 am
  • The latest flight 7:40 am
  • Distance 5363 ml

The cheapest months for traveling to San Francisco are february (from 320 $), november (from 569 $), january (from 593 $).

The most expensive and popular months are december (from 731 $), january (from 593 $), november (from 569 $).

The cheapest flight by United Airlines that our users were able to find is $320. This airfare is economy class on one-way UA949 flight for February 28, 2025 leaving Heathrow in London at 1:45 pm, it includes all taxes and additional fees.

Find same flight?

United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from London to San Francisco:

  • Boeing 777
    from $320
    Find

Other Popular Airlines on the Route

Besides United Airlines there are other 5 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 3 direct flights every day from London. Airlines and fares are below:

See more direct flights

Connecting Flights

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

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.

Back