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

Return flights

27 Aug - 03 Sep	China Eastern
19 Aug - 06 Sep	China Eastern
26 Aug - 14 Sep	Air China
24 Aug - 31 Aug	Hainan Airlines
31 Aug - 04 Sep	Air China
26 Aug - 06 Sep	Air China
27 Aug - 27 Sep	China Eastern
18 Aug - 31 Aug	China Eastern
26 Aug - 12 Sep	Air China
26 Aug - 15 Sep	IndiGo
29 Aug - 31 Aug	Air India
29 Aug - 06 Sep	IndiGo
20 Aug - 26 Aug	KLM
21 Aug - 28 Aug	IndiGo
19 Aug - 26 Aug	Air France
19 Aug - 28 Aug	Air France
18 Aug - 31 Aug	Thai Airways	direct
27 Aug - 03 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 669€

Return flights