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

Return flights

09 Dec - 25 Dec	Etihad Airways
09 Dec - 24 Dec	Etihad Airways
10 Dec - 24 Dec	Etihad Airways
09 Dec - 28 Jan	Etihad Airways
11 Dec - 27 Dec	Etihad Airways
10 Dec - 19 Jan	Etihad Airways
11 Dec - 21 Jan	Etihad Airways
11 Dec - 25 Dec	Etihad Airways
10 Dec - 25 Dec	Etihad Airways
11 Dec - 24 Jan	Etihad Airways
11 Dec - 24 Dec	Etihad Airways
31 Dec - 19 Jan	Etihad Airways
16 Dec - 31 Jan	Air China
09 Dec - 23 Dec	Gulf Air
09 Dec - 18 Dec	Gulf Air
09 Dec - 16 Dec	Gulf Air
10 Dec - 22 Jan	Air China
10 Dec - 15 Jan	Air China
15 Dec - 19 Jan	Air China
09 Dec - 15 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 548€

Return flights