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

Return flights

31 Dec - 21 Jan	Ryanair
27 Dec - 26 Jan	Pegasus Airlines
27 Dec - 25 Jan	Pegasus Airlines
30 Dec - 20 Jan	Pegasus Airlines
28 Dec - 25 Jan	Pegasus Airlines
28 Dec - 21 Jan	Pegasus Airlines
31 Dec - 20 Jan	Ryanair
31 Dec - 17 Jan	Ryanair
29 Dec - 27 Jan	Jet2
29 Dec - 17 Jan	Jet2
24 Dec - 27 Dec	Pegasus Airlines
24 Dec - 30 Dec	Pegasus Airlines
24 Dec - 31 Dec	Pegasus Airlines
27 Dec - 28 Dec	Pegasus Airlines
22 Dec - 27 Dec	Jet2
22 Dec - 26 Dec	Ryanair
22 Dec - 30 Dec	Eurowings
21 Dec - 30 Dec	Jet2
28 Dec - 29 Dec	KLM
26 Dec - 27 Dec	KLM

Also check the deals for one-way flights from Birmingham 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 Birmingham to Bangkok in December from 623€

Return flights