Cheapest return flights from San Jose to London in December from $728

Best time to book flights for San Jose (SJO) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from San Jose (SJO) to London (LHR) in December 2025 (see full year).

Return flights

02 Dec - 11 Dec KLM
23 Dec - 08 Jan KLM
31 Dec - 17 Jan KLM
30 Dec - 10 Jan KLM
27 Dec - 11 Jan Air France
25 Dec - 06 Jan Air Canada
26 Dec - 06 Jan Air Canada
26 Dec - 11 Jan Air Canada
18 Dec - 01 Jan Air Canada
24 Dec - 05 Jan KLM
23 Dec - 03 Jan Air Canada

Also check the deals for one-way flights from San Jose 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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