* Prices are in GBP per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that ticket availability and prices are subject to change and should not be considered as the final price quoted.

To find a flight ticket London - San Francisco with United Airlines, think about comparing prices before deciding. Liligo compares the prices of airlines in real time, includingUnited Airlines, and online travel agencies. Search to find which site offers the best price for your flight London - San Francisco.
Search to see which airlines offer flights London - San Francisco.
If you are travelling between London and San Francisco with United Airlines, your departure airport will be: San Francisco International Airport. Once you reach your destination, you will land at London Heathrow Airport.
There are 1 direct flight(s) per week between London and San Francisco and 10 flight(s) with stopovers (all airlines combined).
The majority of flights are operated by .