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

Return flights

07 Dec - 22 Dec	Etihad Airways
01 Dec - 20 Dec	Air France
01 Dec - 09 Dec	Air France
01 Dec - 22 Dec	Air France
01 Dec - 18 Dec	Air France
01 Dec - 17 Dec	Air France
04 Dec - 06 Dec	SWISS
10 Dec - 25 Dec	Etihad Airways
12 Dec - 26 Dec	Pegasus Airlines
11 Dec - 22 Dec	Pegasus Airlines
01 Dec - 15 Jan	Air China
15 Dec - 29 Jan	Air China
01 Dec - 31 Jan	Air China
02 Dec - 29 Jan	Air China
15 Dec - 19 Jan	Air China
10 Dec - 17 Jan	Air China
09 Dec - 17 Jan	Air China
09 Dec - 29 Jan	Air China
15 Dec - 22 Jan	Air China
16 Dec - 19 Jan	Air China

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Bangkok in December from 560€

Return flights