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

Return flights

05 Dec - 30 Dec	Air France
02 Dec - 15 Dec	KLM
04 Dec - 29 Dec	KLM
02 Dec - 12 Dec	KLM	direct
12 Dec - 29 Dec	KLM
17 Dec - 30 Dec	KLM
19 Dec - 01 Jan	KLM
14 Dec - 11 Jan	KLM
05 Dec - 25 Dec	Air France
17 Dec - 30 Dec	KLM	direct
28 Dec - 11 Jan	KLM
02 Dec - 15 Dec	KLM	direct
17 Dec - 06 Jan	KLM	direct
19 Dec - 03 Jan	KLM
19 Dec - 08 Jan	KLM
21 Dec - 11 Jan	KLM	direct
21 Dec - 05 Jan	KLM	direct
29 Dec - 05 Jan	KLM	direct
19 Dec - 02 Jan	KLM
03 Dec - 23 Dec	Air France

Also check the deals for one-way flights from San Jose to Amsterdam in December.

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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Cheapest return flights from San Jose to Amsterdam in December from 868€

Return flights