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

Return flights

14 Aug - 11 Sep	China Eastern
23 Aug - 29 Aug	Air India
20 Aug - 26 Aug	IndiGo
20 Aug - 27 Aug	IndiGo
24 Aug - 31 Aug	IndiGo
10 Aug - 20 Aug	IndiGo
10 Aug - 17 Aug	IndiGo
24 Aug - 05 Sep	IndiGo
23 Aug - 05 Sep	IndiGo
21 Aug - 28 Aug	IndiGo
10 Aug - 27 Aug	IndiGo
18 Aug - 27 Aug	Air India
13 Aug - 12 Sep	Air India
11 Aug - 24 Aug	IndiGo
22 Aug - 13 Sep	Air India
30 Aug - 04 Sep	IndiGo
22 Aug - 13 Sep	Thai Airways	direct

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 $713

Return flights