Cheapest one-way flights from San Francisco to London in December from 240€

AirHint found the following cheapest one-way flights from San Francisco (SFO) to London (LGW) in December 2025 (see full year).

One-Way flights

16 Dec Alaska Airlines
14 Dec Alaska Airlines
15 Dec Alaska Airlines
23 Dec SWISS
21 Dec WestJet
19 Dec Hawaiian Airlines

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

Skyscanner

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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