Price observed over the last 3 months for a round trip.
en
USA
Compare all flight tickets and find cheap flights from San Francisco to London
The cheapest flights right now
San Francisco – London
Outbound – Jun 12, 2025
direct
10h 25m Return – Jun 22, 2025
direct
10h 55m $1,112
2 days ago
San Francisco – London
Outbound – Jun 11, 2025
1 stop
12h 45m LAX
Return – Jun 22, 2025
direct
10h 55m $1,111
2 days ago
San Francisco – London
Outbound – Jun 12, 2025
direct
10h 20m Return – Jun 22, 2025
direct
10h 55m $1,108
3 days ago
San Francisco – London
Outbound – Jun 11, 2025
direct
10h 25m Return – Jun 22, 2025
direct
10h 55m $1,106
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$629
Average price of a round trip
$652
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
10h30
A flight from San Francisco to London takes on average 10h30.
Best time
April
According to user searches, the ideal month to go to London is April.
Tips for finding a cheap flight from San Francisco to London
Check out our tips for booking your flight to London (United Kingdom) from San Francisco (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is May, with an average flight ticket price of $921 (calculation over the last two years). The most touristic season corresponds to the months of December, August and May.
For the cheapest flights, it is advisable to buy your ticket at least 24 days before the departure date.
The airline offering the cheapest flight tickets is Air Canada. A ticket from the airline Air Canada to London costs on average $652.
The airlines that offer the most flights are Iberia and Iberia.
Price of flight tickets from San Francisco to London
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $629 to $662
- The average price of a flight ticket is about $652
- Prices are lowest for stays in the month of May
- The month in which booking a ticket is cheaper is: March
info departure city :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :
San Francisco is a city in the country USA, the time zone is [[timezone]]. In San Francisco, it is currently {fromLocalTime}, the temperature is on average 11°C, with a minimum of 9°C and a maximum of 13°C.
The city of San Francisco has 1 airport(s): San Francisco
destination info :
London, United Kingdom
airports :
London Gatwick Airport (LGW)
London-Stansted Airport (STN)
London Heathrow Airport (LHR)
London Luton Airport (LTN)
London City Airport (LCY)
local time :
London is in the country United Kingdom, the time zone is [[timezone]]. In London, it is currently {toLocalTime}, the temperature is on average 11°C, with a minimum of 6°C and a maximum of 16°C.
The city of London (LON) has 5 airport(s): London Gatwick, London-Stansted, London Heathrow, London Luton and London City
Useful info about London
What is the least touristic period to go to London?
If you want to visit London during the least touristic period, choose the month of April.
What is the most popular time to travel to London?
In London, the most popular month is December. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from San Francisco to London?
According to our data, it is recommended to book your flight 24 days before your departure. If you book your flight ticket 4 weeks before your departure, you may find a price below average. The cheapest day to book a flight from San Francisco to London is Wednesday.
What are the arrival and destination airports when traveling between San Francisco and London?
When you leave, you can leave from San Francisco, and you will arrive at London City, London Gatwick or London Heathrow.
How to reach San Francisco airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from San Francisco to London?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between San Francisco and London?
In summer, the average temperature is 18°C in London and 17°C in San Francisco. The average rainfall in summer is 66 mm in London and 2 mm in San Francisco. 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.