AirHint found the following cheapest return flights from San Jose (SJC) to Copenhagen (CPH) in December 2025 (see full year).

Return flights

16 Dec - 23 Dec	Icelandair
25 Dec - 09 Jan	British Airways
15 Dec - 21 Dec	Icelandair
26 Dec - 28 Dec	British Airways
15 Dec - 22 Dec	Scandinavian Airlines
16 Dec - 22 Dec	Scandinavian Airlines
24 Dec - 01 Jan	Scandinavian Airlines
28 Dec - 05 Jan	British Airways
27 Dec - 04 Jan	British Airways
28 Dec - 04 Jan	British Airways
26 Dec - 02 Jan	Iberia
23 Dec - 03 Jan	Iberia
29 Dec - 04 Jan	Icelandair

Also check the deals for one-way flights from San Jose to Copenhagen 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 Copenhagen in December from $1034

Return flights