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

Return flights

01 Dec - 12 Dec	Air India
01 Dec - 13 Dec	Air India
01 Dec - 19 Dec	Air India
01 Dec - 07 Dec	Air India
04 Dec - 17 Dec	Air India
04 Dec - 24 Dec	Air India
02 Dec - 17 Dec	Pegasus Airlines
04 Dec - 20 Dec	Air India
02 Dec - 04 Dec	Pegasus Airlines
02 Dec - 23 Dec	Lufthansa
04 Dec - 14 Jan	Lufthansa
02 Dec - 29 Jan	Lufthansa
09 Dec - 19 Jan	SWISS
08 Dec - 17 Jan	Jet2
01 Dec - 21 Jan	SWISS
07 Dec - 14 Jan	Ryanair
01 Dec - 14 Jan	SWISS
05 Dec - 14 Jan	Lufthansa
03 Dec - 31 Jan	SWISS
01 Dec - 31 Jan	Ryanair

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 510€

Return flights