AirHint found the following cheapest return flights from London (LGW) to Bangkok (BKK) in August 2025 (see full year).

Return flights

26 Aug - 12 Sep	Wizz Air UK
31 Aug - 08 Sep	Wizz Air UK
26 Aug - 11 Sep	Wizz Air UK
31 Aug - 16 Sep	Wizz Air UK
27 Aug - 09 Sep	Wizz Air UK
30 Aug - 16 Sep	Wizz Air UK
31 Aug - 11 Sep	Wizz Air UK
29 Aug - 11 Sep	Wizz Air UK
30 Aug - 11 Sep	Wizz Air UK
29 Aug - 09 Sep	Wizz Air UK
21 Aug - 24 Aug	China Southern
19 Aug - 21 Aug	Turkish Airlines
22 Aug - 24 Aug	China Southern
15 Aug - 21 Aug	Wizz Air UK
15 Aug - 20 Aug	Wizz Air UK
17 Aug - 21 Aug	Wizz Air UK
15 Aug - 17 Aug	Wizz Air UK
22 Aug - 26 Aug	Wizz Air UK
16 Aug - 20 Aug	Wizz Air UK
13 Aug - 21 Aug	Wizz Air UK

Also check the deals for one-way flights from London to Bangkok in August.

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 London to Bangkok in August from 466€

Return flights