AirHint found the following cheapest return flights from London (LON) to Bangkok (BKK) in August 2026 (see full year).

Return flights

27 Aug - 16 Sep	SWISS
29 Aug - 11 Sep	Air China
26 Aug - 09 Sep	SWISS
29 Aug - 22 Sep	SWISS
31 Aug - 15 Sep	SWISS
24 Aug - 14 Sep	SWISS
24 Aug - 15 Sep	SWISS
24 Aug - 02 Sep	Wizz Air Malta
21 Aug - 09 Sep	SWISS
25 Aug - 08 Sep	Wizz Air UK
26 Aug - 30 Aug	Wizz Air UK
04 Aug - 28 Aug	Etihad Airways
18 Aug - 31 Aug	Wizz Air UK
13 Aug - 23 Aug	Wizz Air UK
17 Aug - 31 Aug	Wizz Air UK
17 Aug - 30 Aug	Wizz Air UK
13 Aug - 24 Aug	Wizz Air UK
20 Aug - 24 Aug	Wizz Air UK
19 Aug - 31 Aug	Wizz Air UK
15 Aug - 26 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 553€

Return flights