Flights from London to San Francisco

Our cheapest offers for flights from London to San Francisco

Here you can compare cheap flights from London (LON) to San Francisco (SFO) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Francisco. Prices and availability may change at any time.

Tips and tricks to help you find cheap flights from London to San Francisco

Favourite airline: SAS
13 % of flights on the route London – San Francisco are booked with SAS.
13 %
British Airways
12 %
10 %
Tip: book 6 weeks before departure
The best time to buy tickets is 6 weeks before the flight. Pay only £434.00.
45 days before departure
Direct flights are more expensive
Compared to flights with a stopover, direct flights are £54.00 more expensive on this route.
non stop flight
1 stop
2 stops
11h 05min
26h 45min
32h 09min
Favourite connection: via Copenhagen
When booking flights from London to San Francisco 21 % of travellers prefer to fly via Copenhagen.
1 stopover Copenhagen
17h 10min, from £603
21 %
1 stopover Dublin
15h 00min, from £593
19 %
1 stopover Frankfurt-Main
15h 35min, from £484
17 %

Useful information about the flight from London to San Francisco

Flights from London to San Francisco

The flight route from London (LON) to San Francisco (SFO) is popular with both tourists and business travellers in the United Kingdom. Between 5 and 6 connections are operated every day from a choice of London's airports as a direct flight. These are offered by several airlines such as United Airlines, British Airways, and Virgin Atlantic. The journey takes around 10 hours and 55 minutes for the outbound trip. Return travel will usually be slightly faster - taking 10 hours and 10 minutes on average.

Flights from London airports to San Francisco 

Flights to San Francisco will normally operate on the route London Heathrow to San Francisco International Airport and involve at least one stopover, which will depend on the airline. 

Fllights take between 15 and 28 hours or even longer. 

Cheap flight to San Francisco

Buying an air ticket on a last minute basis on this route may be the cheapest option. Tickets will be avaialble for as little as £400 return during the off-peak season and a flight with at least one stop-over will usually be slightly cheaper than a direct connection. To find a low cost ticket it is better to choose a flight with a stop-over on this route. It is also advisable to compare offers online with a flight price comparison to get the best deal.

Destination San Francisco

San Francisco is a very cosmopolitan city and well known for having been one of the centres of the hippie movement in the 1970s. The district of Haight-Ashbury continues the tradition with its lively music scene. Top tourist attractions in the city are the Golden Gate Bridge and the narrow steep roads and trams. Silicon Valley in the vicinity makes the city a favourite destination with business travellers. The destination airport is San Francisco International Airport, which is located around 13 miles from downtown San Francisco. There are buses and trains at most terminals transferring passengers to the city of San Francisco. The airport of departure in London will be either Gatwick Airport, London City or Heathrow Airport.

Flight information: London - San Francisco

Outbound and return from £540.15
Flight duration min. 11:10 / max. 11:25
Return flight duration min. 10:15/ max. 10:35
Distance 8637 km
Flights per week 47
Departure airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport San Francisco International Airport (SFO)
Destination country United States
Alternative routes to United States
Alternative flights to San Francisco
Flight destinations with a similar price