Helping travelers to find the best flight offers
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from London to San Francisco. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from London to San Francisco
Below you will find a list of airlines operating flights on the London — San Francisco route and the starting prices for flights of each specific airline on it.
A direct flight is the most convenient and comfortable way to fly from London to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from London to San Francisco:
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The cheapest one-way flight from London to San Francisco departs on 10/10/2025, is operated by Ryanair and costs $358
The cheapest roundtrip flight from London to San Francisco departs on 11/21/2025, is operated by Swiss International Air Lines and costs $465
Fastest flight from London to San Francisco takes 14h 45m
There are no direct flights on this route.
The distance between London and San Francisco is 8624km (5347 miles). There are 187 direct flights from London to San Francisco. The time difference between London and San Francisco is 8h . Flights from London begin at 10:35 AM. The latest flight from London departs at 4:50 PM.
Unable to find information about the schedule of direct flights from
London — San Francisco
09/20/2025
Departure
Direct flight
UA949
Starting at $976
London — San Francisco
09/21/2025
Departure
Direct flight
UA939
Starting at $594
London — San Francisco
09/24/2025
Departure
Direct flight
UA7857
Starting at $820
London — San Francisco
09/27/2025
Departure
Direct flight
UA900
Starting at $649
London — San Francisco
10/03/2025
Departure
Direct flight
UA900
Starting at $598
London — San Francisco
10/04/2025
Departure
Direct flight
UA900
Starting at $599
London — San Francisco
10/07/2025
Departure
Direct flight
BA287
Starting at $781
London — San Francisco
10/08/2025
Departure
Direct flight
UA949
Starting at $606
London — San Francisco
10/10/2025
Departure
Direct flight
UA900
Starting at $903
London — San Francisco
10/13/2025
Departure
Direct flight
BA5525
Starting at $745
Starting at $594
Starting at $448
Starting at $358
Starting at $405
Starting at $417
Starting at $427
Starting at $431
Starting at $543
The cheapest flight ticket from London to San Francisco according to data for the last 48 hours costs $358
Often the best time to buy tickets from London to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from London to San Francisco can be found flying in these months: October, September.
The fastest flights from London to San Francisco start from 14 hours 45 minutes in the air.
The following airlines operate direct flights on the route London — San Francisco: United Airlines, British Airways
We couldn't find any special offers for flights from London to San Francisco