How long is the flight from London to San Francisco?

Direct flights from London to San Francisco typically take around 10h 38m. The great-circle distance is approximately 8,615 km.

What is the cheapest day to fly from London to San Francisco?

As a general industry pattern, mid-week flights (Tuesday and Wednesday) tend to be cheaper — see the cheapest-day page for real fare data on this route where available.

Which airlines fly from London to San Francisco?

Use our flight search above to see live availability and compare prices across airlines flying London to San Francisco.

How far in advance should I book a flight from London to San Francisco?

For the best fares, aim to book 4–8 weeks ahead during peak season and 2–4 weeks during off-peak periods. Last-minute deals can sometimes appear within 14 days of departure.

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Direct Flights: London to San Francisco

10h 38m

Flight time

8,615 km

Distance

Airport pairs

Find non-stop flights from London to San Francisco — no layovers, no connections. The route covers 8,615 km with a typical flight time of 10h 38m. San Francisco is located in United States.

Direct airport connections

LHR

London Heathrow Airport

→

SFO