Cheapest one-way flights from San Francisco to London in January from 167€

AirHint found the following cheapest one-way flights from San Francisco (SFO) to London (LHR) in January 2026 (see full year).

One-Way flights

29 Jan Flair Airlines
31 Jan Flair Airlines
27 Jan WestJet
24 Jan Air Canada
28 Jan Air Canada
25 Jan Frontier Airlines
18 Jan Brussels Airlines
30 Jan Frontier Airlines
19 Jan Brussels Airlines
23 Jan KLM

Also check the deals for return flights from San Francisco to London in January.

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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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