Cheapest one-way flights from San Francisco to London in December from 196€

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

One-Way flights

09 Dec Flair Airlines
07 Dec Flair Airlines
06 Dec Flair Airlines
05 Dec Frontier Airlines
10 Dec Frontier Airlines
11 Dec Alaska Airlines
12 Dec Hawaiian Airlines
13 Dec Hawaiian Airlines
28 Dec Flair Airlines
30 Dec Air Canada

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

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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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