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

Return flights

01 Dec - 08 Dec	Air Arabia
01 Dec - 15 Dec	Air Arabia
02 Dec - 15 Dec	Air Arabia
01 Dec - 09 Dec	Air Arabia
09 Dec - 17 Dec	Air Arabia
10 Dec - 17 Dec	Air Arabia
06 Dec - 17 Dec	Air Arabia
01 Dec - 13 Dec	Air Arabia
01 Dec - 12 Dec	Air Arabia
04 Dec - 15 Dec	Air Arabia
08 Dec - 19 Jan	Air Arabia
01 Dec - 31 Jan	Air Arabia
11 Dec - 21 Jan	Air Arabia
11 Dec - 27 Jan	Air Arabia
15 Dec - 26 Jan	Air Arabia
12 Dec - 19 Jan	Air Arabia
12 Dec - 26 Jan	Air Arabia
15 Dec - 30 Jan	Air Arabia
15 Dec - 23 Jan	Air Arabia
01 Dec - 09 Jan	Etihad Airways

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 418€

Return flights