Cheapest return flights from London to San Jose in December from $734

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

05 Dec - 14 Dec Air Canada
10 Dec - 24 Dec Air Canada
07 Dec - 21 Dec Air Canada
01 Dec - 07 Dec Air Canada
01 Dec - 15 Dec Air Canada
06 Dec - 13 Dec Air Canada
12 Dec - 21 Dec Air Canada
09 Dec - 23 Dec Air Canada
02 Dec - 16 Dec Air Canada
31 Dec - 15 Jan Air Canada
09 Dec - 13 Jan Air Canada
14 Dec - 21 Dec Air Canada
16 Dec - 31 Jan Air Canada
29 Dec - 11 Jan Delta
04 Dec - 10 Jan Delta
29 Dec - 10 Jan Delta
30 Dec - 15 Jan United
13 Dec - 10 Jan Air Canada
27 Dec - 17 Jan Air France
23 Dec - 31 Jan Air France

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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