What is the cheapest month to fly to London?

The cheapest time of year to fly to London from San Francisco is February. Most expensive is June

What is the cheapest day to fly to London?

The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday

San Francisco to London flights are approximately 11% more expensive in the morning than in the evening

National Express, Flybe, and TAP AIR PORTUGAL are the most popular carriers operating from San Francisco to London

Fly from San Francisco to London Heathrow for the best San Francisco - London flight prices

The cheapest time to buy a flight from San Francisco to London is approximately 60 days to departure

Best Price Found	$340	The best flight deal from San Francisco to London found on momondo in the last 72 hours is $340
Fastest flight time	10h 10m	The fastest flight from San Francisco to London takes 10h 10m.
Direct flights	Every day	Direct flights go from San Francisco to London every day.
Airports in London	6 airports	There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)