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

Return flights

01 Dec - 14 Dec	Wizz Air
01 Dec - 13 Dec	Wizz Air
07 Dec - 19 Dec	Wizz Air
07 Dec - 18 Dec	Wizz Air
01 Dec - 15 Dec	Wizz Air
01 Dec - 16 Dec	Wizz Air
07 Dec - 21 Dec	Wizz Air
04 Dec - 16 Dec	Air Serbia
05 Dec - 18 Dec	Wizz Air
04 Dec - 23 Dec	Air Serbia
12 Dec - 11 Jan	Wizz Air
10 Dec - 13 Jan	LOT
31 Dec - 30 Jan	Turkish Airlines
15 Dec - 14 Jan	Aegean Airlines
30 Dec - 13 Jan	Turkish Airlines
29 Dec - 20 Jan	Turkish Airlines
04 Dec - 11 Jan	Air Serbia
30 Dec - 18 Jan	Turkish Airlines
31 Dec - 14 Jan	Turkish Airlines
31 Dec - 16 Jan	Turkish Airlines

Also check the deals for one-way flights from Ljubljana 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 Ljubljana to Bangkok in December from $600

Return flights