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

Return flights

02 Dec - 15 Dec	SWISS
02 Dec - 09 Dec	SWISS
03 Dec - 17 Dec	SWISS
08 Dec - 29 Dec	SWISS
01 Dec - 08 Dec	SWISS
02 Dec - 18 Dec	SWISS
04 Dec - 20 Dec	Pegasus Airlines
11 Dec - 22 Dec	Wizz Air Malta
04 Dec - 19 Dec	Pegasus Airlines
04 Dec - 14 Jan	Pegasus Airlines
01 Dec - 07 Dec	SWISS
02 Dec - 29 Jan	Saudia
02 Dec - 23 Jan	Aer Lingus
30 Dec - 19 Jan	Saudia
30 Dec - 26 Jan	Saudia
30 Dec - 29 Jan	Saudia
30 Dec - 27 Jan	Saudia
01 Dec - 23 Jan	Ryanair
09 Dec - 22 Jan	Pegasus Airlines
11 Dec - 15 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Birmingham to Bangkok in December from 553€

Return flights