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Good to Know - Flights from San Francisco to London

Low Season:
March
Best time to beat the crowds
High Season:
June
Most popular time to fly
Good Deal:
$ 354.46
or less (round trip)

Cheapest Day of the Month to Book Flights



Top Tips for Finding Cheap Flights from San Francisco to London

Looking for cheap airfare from San Francisco to London? 25% of our users found round-trip tickets to London for the following price or less: $ 354.46 Book at least 4 weeks before departure in order to get a below-average price. High season is considered to be June. The cheapest month to fly from San Francisco to London is March. Enter your preferred departure airport and travel dates into the search form above to unlock the latest San Francisco to London flight deals.

FAQs - Booking from San Francisco to London flights

What is the cheapest flight San Francisco to London?:
The cheapest flight San Francisco to London found on flyus.com in the last 72 hours was $354.46 round-trip.
 
 

Find cheap flights from San Francisco to London and book discounted airfare from different cities all over the United States. Explore airline ticket deals on flight routes all over the World! At Flyus, we take pride in helping you discover and book the best flight deals for your next trip at the cheapest price. We make booking flights from different departures easy and provide you with peace of mind with our Best Purchase Guarantee.

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Cheapest Flights
from San Francisco, United States (SFO) to:

  • London, United Kingdom (LGW)
    Oct 06, 20 - Oct 07, 20
    $354.46
    Search

  • London, United Kingdom (LHR)
    Feb 09, 20 - Feb 19, 20
    $362.05
    Search

  • London, United Kingdom (LCY)
    Mar 15, 20 - Mar 22, 20
    $387.92
    Search

  • London, United Kingdom (LCY)
    Mar 13, 20 - Mar 24, 20
    $402.52
    Search

  • London, United Kingdom (STN)
    Mar 23, 20 - Mar 28, 20
    $829.75
    Search