AirHint found the following cheapest return flights from San Francisco (SFO) to London (LHR) in November 2025 (see full year).

Return flights

19 Nov - 02 Dec	Air Canada
18 Nov - 02 Dec	Air Canada
18 Nov - 10 Dec	Air Canada
17 Nov - 02 Dec	Air Canada
17 Nov - 08 Dec	Air Canada
19 Nov - 08 Dec	Air Canada
18 Nov - 08 Dec	Air Canada
17 Nov - 24 Nov	Air Canada
05 Nov - 12 Nov	Air Canada
10 Nov - 25 Nov	Air Canada
12 Nov - 25 Nov	Air Canada
25 Nov - 09 Dec	Air Canada
18 Nov - 04 Dec	Air Canada
18 Nov - 03 Dec	Air Canada
18 Nov - 25 Nov	Air Canada
11 Nov - 18 Nov	Air Canada
09 Nov - 25 Nov	Air Canada
10 Nov - 19 Nov	Air Canada
18 Nov - 26 Nov	Air Canada
03 Nov - 13 Nov	Air Canada

Also check the deals for one-way flights from San Francisco to London in November.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from San Francisco to London in November from $458

Return flights