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

Return flights

03 Dec - 14 Jan	Oman Air
01 Dec - 09 Dec	China Southern
26 Dec - 01 Jan	Etihad Airways
17 Dec - 19 Jan	Oman Air
11 Dec - 30 Jan	Oman Air
22 Dec - 05 Jan	Cathay Pacific
25 Dec - 08 Jan	Cathay Pacific
22 Dec - 08 Jan	Cathay Pacific
24 Dec - 06 Jan	Cathay Pacific
03 Dec - 20 Jan	Vietnam Airlines
26 Dec - 16 Jan	Vietnam Airlines
02 Dec - 10 Dec	Oman Air
22 Dec - 29 Dec	Vietnam Airlines
01 Dec - 15 Dec	Oman Air
19 Dec - 24 Dec	Oman Air
04 Dec - 10 Dec	Cathay Pacific
11 Dec - 18 Dec	Air China
07 Dec - 14 Dec	Air China
06 Dec - 13 Dec	Air China
04 Dec - 15 Dec	Air China

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 $699

Return flights