Cheapest return flights from London to San Jose in December from $1139

AirHint found the following cheapest return flights from London (LCY) to San Jose (SJO) in December 2026 (see full year).

Return flights

07 Dec - 21 Dec SWISS
08 Dec - 23 Dec SWISS
01 Dec - 15 Dec SWISS
01 Dec - 12 Dec SWISS
14 Dec - 28 Dec SWISS
03 Dec - 15 Dec KLM
11 Dec - 23 Dec SWISS
11 Dec - 16 Dec SWISS
11 Dec - 26 Dec SWISS
11 Dec - 24 Dec SWISS
11 Dec - 02 Jan SWISS
29 Dec - 02 Jan SWISS
22 Dec - 02 Jan SWISS
18 Dec - 02 Jan SWISS

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