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

Return flights

18 Dec - 08 Jan	Thai AirAsia
19 Dec - 08 Jan	Thai AirAsia
21 Dec - 17 Jan	Thai AirAsia
20 Dec - 03 Jan	Thai Lion Air
21 Dec - 30 Dec	Thai AirAsia
25 Dec - 30 Dec	Thai AirAsia
18 Dec - 24 Dec	Thai Lion Air
03 Dec - 16 Dec	Thai Lion Air
14 Dec - 21 Dec	Thai AirAsia
18 Dec - 23 Dec	Thai Lion Air
31 Dec - 05 Jan	Thai Lion Air
30 Dec - 21 Jan	Thai AirAsia
25 Dec - 04 Jan	Thai Lion Air
03 Dec - 08 Dec	Batik Air Malaysia
25 Dec - 25 Jan	Thai Lion Air
07 Dec - 14 Dec	Batik Air Malaysia
24 Dec - 26 Dec	AirAsia
04 Dec - 08 Dec	Thai Lion Air

Also check the deals for one-way flights from Bangkok 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 Bangkok to Copenhagen in December from $633

Return flights