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

Return flights

30 Dec - 19 Jan	LOT
30 Dec - 14 Jan	LOT
30 Dec - 20 Jan	LOT
22 Dec - 14 Jan	Ryanair
31 Dec - 17 Jan	Ryanair
31 Dec - 16 Jan	Ryanair
30 Dec - 16 Jan	LOT
27 Dec - 18 Jan	Pegasus Airlines
31 Dec - 12 Jan	Ryanair
29 Dec - 22 Jan	Ryanair
17 Dec - 30 Dec	Aegean Airlines
18 Dec - 31 Dec	Ryanair
18 Dec - 30 Dec	Croatia Airlines
19 Dec - 28 Dec	Air Serbia
20 Dec - 27 Dec	Pegasus Airlines
19 Dec - 30 Dec	Aegean Airlines
21 Dec - 28 Dec	Ryanair
19 Dec - 29 Dec	Air Serbia
22 Dec - 31 Dec	Ryanair
20 Dec - 31 Dec	Pegasus Airlines

Also check the deals for one-way flights from Zagreb to Bangkok 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 Zagreb to Bangkok in December from 706€

Return flights