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

Return flights

20 Dec - 16 Jan	Oman Air
01 Dec - 09 Dec	China Southern
03 Dec - 08 Dec	Oman Air
29 Dec - 12 Jan	Vietnam Airlines
18 Dec - 07 Jan	Vietnam Airlines
30 Dec - 18 Jan	Vietnam Airlines
10 Dec - 10 Jan	Vietnam Airlines
24 Dec - 01 Jan	Etihad Airways
27 Dec - 03 Jan	Etihad Airways
09 Dec - 16 Dec	Emirates
02 Dec - 16 Dec	Emirates
20 Dec - 22 Jan	Oman Air
18 Dec - 06 Jan	Gulf Air
12 Dec - 03 Jan	Oman Air
14 Dec - 28 Dec	Vietnam Airlines
01 Dec - 27 Dec	Etihad Airways
02 Dec - 12 Dec	Emirates
04 Dec - 10 Dec	Emirates
02 Dec - 10 Dec	Emirates
04 Dec - 27 Dec	Air India

Also check the deals for one-way flights from Bangkok to Frankfurt 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 Bangkok to Frankfurt in December from $666

Return flights