Compare all flight tickets and find cheap flights from London to San Francisco

Cheapest flight

£433

Price observed over the last 3 months for a round trip.

Average price of a round trip

£488

Average price recorded over the last 3 months for a round trip.

Flight duration

11h4

A flight from London to San Francisco takes on average 11h4.

Best time

May

According to user searches, the ideal month to go to San Francisco is May.

What is the cheapest month for this flight?

* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.

Tips for finding cheap flights from London to San Francisco

Check out our tips for booking your flight to San Francisco (USA) from London (United Kingdom) at the cheapest possible price.

Usually, the cheapest month to pick up a ticket on this route is March, with an average ticket price of £393 (calculation over the last two years). The most touristic season corresponds to the months of September, June and February.
For an attractive price, it is advisable to buy your flight tickets at least 43 days before the departure date.

The airline offering the cheapest tickets is Swiss. A ticket from the company Swiss to San Francisco costs on average £488.
The airlines that offer the most flights are .

Price of flight tickets from London to San Francisco

Here is some information and tips to know before booking your flight:

  • Flight ticket prices range from £433 to £501
  • The average price of a flight ticket is about £488
  • Prices are lowest for stays in the month of March
  • The month in which booking a ticket is cheaper is: May
info departure city :
London, United Kingdom
airports :
London City Airport (LCY)
London Gatwick Airport (LGW)
London Heathrow Airport (LHR)
London Luton Airport (LTN)
London-Stansted Airport (STN)
local time :

London is a city in the country United Kingdom, the time zone is GMT +0. In London, it is currently {fromLocalTime}, the temperature is on average 18°C, with a minimum of 12°C and a maximum of 24°C.

The city of London (LON) has 5 airport(s): London City, London Gatwick, London Heathrow, London Luton and London-Stansted

destination info :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :

San Francisco is in the country USA, the time zone is GMT . In San Francisco, it is currently {toLocalTime}, the temperature is on average 13°C, with a minimum of 11°C and a maximum of 14°C.

The city of San Francisco has 1 airport(s): San Francisco

Useful info about San Francisco

What is the least touristic period to go to San Francisco?

If you want to visit San Francisco during the least touristic period, choose the month of May.

What is the most popular time to travel to San Francisco?

In San Francisco, the most touristic month is September. It is during this period that the prices offered by airlines are also the highest.

When should I book my flight London - San Francisco?

According to our data, it is recommended to book your flight 43 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. The cheapest day to book a flight London - San Francisco is Thursday.

What are the arrival and destination airports when travelling between London and San Francisco?

When you leave, you can leave from London City or London Heathrow, and you will arrive at San Francisco.

How to reach London airport from the city centre?

The airport London City is located 16 km, London Gatwick is located 38 km, London Heathrow is located 35 km, London Luton is located 45 km or London-Stansted is located 49 km from the city centre. You can access it by using public transport, taking a taxi, or renting a car..

Are there other means of transport to go from London to San Francisco?

Flights are the only means of transport listed on Liligo for this journey.

Are there big differences in weather between London and San Francisco?

In summer, the average temperature is 17°C in San Francisco and 18°C in London. The average rainfall in summer is 2 mm in San Francisco and 66 mm in London.In summer, it is warmer in London and it rains less in San Francisco. In winter, it is colder in San Francisco and it rains more in San Francisco.

Prepare your stay in San Francisco

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