Question 1

How long is the flight from San Francisco to London?

Accepted Answer

Flight time from SFO to LHR varies by routing, stopovers, and aircraft type. Direct flights are typically the fastest option when available; one or more layovers can add several hours. Check the airline or partner site for the exact schedule of the fare you are considering.

Question 2

Which airlines fly from San Francisco to London?

Accepted Answer

Multiple legacy and low-cost carriers may operate SFO → LHR, either non-stop or via a hub. Carrier availability changes seasonally — open the partner site to see today's operating airlines.

Question 3

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

Accepted Answer

Fares from San Francisco to London typically rise around school holidays and peak travel weeks. Shoulder months often surface lower indicative prices. Use the date picker to compare adjacent months before committing.

Cheap Flights from San Francisco to London

About the SFO → LHR route

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