Cheapest one-way flights from San Francisco to London in January from 175€

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

One-Way flights

31 Jan Flair Airlines
24 Jan Flair Airlines
25 Jan Flair Airlines
15 Jan Flair Airlines
17 Jan Flair Airlines
18 Jan Flair Airlines
20 Jan WestJet
16 Jan WestJet
22 Jan WestJet
30 Jan WestJet

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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