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

Return flights

11 Aug - 24 Aug	Air China
28 Aug - 04 Sep	Air China
11 Aug - 18 Aug	Thai Lion Air
13 Aug - 20 Aug	Thai Lion Air
10 Aug - 17 Aug	China Eastern
12 Aug - 29 Aug	Air China
15 Aug - 13 Sep	Air China
29 Aug - 28 Sep	Air India
25 Aug - 08 Sep	Air India
07 Aug - 14 Aug	China Eastern
23 Aug - 14 Sep	Air India
25 Aug - 30 Sep	Hainan Airlines
09 Aug - 17 Aug	Air China
13 Aug - 28 Aug	Air China
12 Aug - 21 Aug	Air China
20 Aug - 27 Aug	Air China
06 Aug - 15 Sep	Thai Lion Air
14 Aug - 25 Sep	IndiGo
29 Aug - 06 Sep	IndiGo
05 Aug - 02 Sep	IndiGo

Also check the deals for one-way flights from Bangkok to Copenhagen in August.

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 August from 625€

Return flights