AirHint found the following cheapest return flights from London (LHR) to Bangkok (BKK)
in December 2025 (see full year ).
Return flights
03 Dec
- 09 Dec
Shenzhen Airlines
497 €
01 Dec
- 10 Dec
Shenzhen Airlines
497 €
03 Dec
- 11 Dec
Shenzhen Airlines
497 €
01 Dec
- 11 Dec
Shenzhen Airlines
497 €
03 Dec
- 13 Dec
Shenzhen Airlines
497 €
01 Dec
- 19 Dec
Shenzhen Airlines
498 €
01 Dec
- 14 Dec
Shenzhen Airlines
498 €
03 Dec
- 23 Dec
Shenzhen Airlines
498 €
03 Dec
- 10 Dec
Shenzhen Airlines
498 €
01 Dec
- 31 Dec
Shenzhen Airlines
498 €
01 Dec
- 30 Jan
Air China
550 €
01 Dec
- 29 Jan
Air China
550 €
29 Dec
- 29 Jan
Air China
550 €
31 Dec
- 26 Jan
Air China
550 €
31 Dec
- 30 Jan
Air China
551 €
02 Dec
- 28 Jan
Air China
551 €
30 Dec
- 29 Jan
Air China
551 €
04 Dec
- 21 Jan
Air China
551 €
30 Dec
- 30 Jan
Air China
551 €
04 Dec
- 20 Jan
Air China
551 €
Also check the deals for one-way flights from London 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.