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

Return flights

03 Dec - 18 Dec	Pegasus Airlines
01 Dec - 07 Dec	Scoot
02 Dec - 12 Dec	Air Arabia
02 Dec - 15 Dec	Air Arabia
02 Dec - 09 Dec	Air Arabia
01 Dec - 09 Dec	Air Arabia
02 Dec - 16 Dec	Air Arabia
01 Dec - 12 Dec	Air Arabia
05 Dec - 07 Dec	Etihad Airways
06 Dec - 16 Dec	Pegasus Airlines
08 Dec - 25 Jan	Scoot
01 Dec - 19 Jan	Gulf Air
28 Dec - 30 Jan	Aegean Airlines
09 Dec - 29 Jan	Aegean Airlines
13 Dec - 23 Jan	Etihad Airways
15 Dec - 23 Jan	Pegasus Airlines
29 Dec - 22 Jan	Pegasus Airlines
07 Dec - 12 Jan	Aegean Airlines
08 Dec - 19 Jan	Scoot
28 Dec - 14 Jan	Sichuan Airlines

Also check the deals for one-way flights from Athens 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 Athens to Bangkok in December from 401€

Return flights