Cheapest return flights from London to San Jose in December from $755

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

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

Return flights

03 Dec - 13 Dec Air Canada
05 Dec - 14 Dec Air Canada
03 Dec - 12 Dec Air Canada
02 Dec - 11 Dec Air Canada
02 Dec - 15 Dec Air Canada
03 Dec - 17 Dec Air Canada
03 Dec - 18 Dec Air Canada
05 Dec - 17 Dec Air Canada
05 Dec - 18 Dec Air Canada
16 Dec - 15 Jan Air Canada
11 Dec - 18 Dec Air Canada
30 Dec - 17 Jan United
29 Dec - 19 Jan United
30 Dec - 20 Jan United
29 Dec - 09 Jan Delta
06 Dec - 06 Jan KLM
04 Dec - 06 Jan KLM
31 Dec - 09 Jan KLM
30 Dec - 10 Jan KLM
30 Dec - 08 Jan KLM

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