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

Return flights

24 Aug - 09 Sep	KLM
30 Aug - 21 Sep	KLM
29 Aug - 14 Sep	Lufthansa
31 Aug - 21 Sep	Austrian Airlines
21 Aug - 08 Sep	KLM
25 Aug - 15 Sep	Ryanair
21 Aug - 04 Sep	Ryanair
21 Aug - 30 Sep	Ryanair
11 Aug - 23 Aug	Turkish Airlines
18 Aug - 29 Aug	Ryanair
18 Aug - 25 Aug	Turkish Airlines
05 Aug - 05 Sep	Pegasus Airlines
05 Aug - 11 Aug	Pegasus Airlines
01 Aug - 15 Aug	Turkish Airlines
09 Aug - 23 Aug	Turkish Airlines
01 Aug - 12 Aug	Turkish Airlines
04 Aug - 18 Aug	Turkish Airlines
17 Aug - 29 Aug	Turkish Airlines
07 Aug - 14 Aug	Turkish Airlines

Also check the deals for one-way flights from Zagreb to Bangkok 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 Zagreb to Bangkok in August from $758

Return flights