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

Return flights

06 Oct - 11 Oct	SWISS
01 Oct - 11 Oct	SWISS
06 Oct - 21 Oct	SWISS
07 Oct - 21 Oct	SWISS
01 Oct - 21 Oct	SWISS
07 Oct - 27 Oct	SWISS
01 Oct - 08 Oct	SWISS
01 Oct - 20 Oct	SWISS
01 Oct - 14 Oct	SWISS
14 Oct - 20 Oct	SWISS
29 Oct - 12 Nov	SWISS
01 Oct - 03 Nov	SWISS
13 Oct - 03 Nov	SWISS
20 Oct - 03 Nov	SWISS
01 Oct - 10 Nov	SWISS
29 Oct - 05 Nov	SWISS
21 Oct - 09 Nov	SWISS
22 Oct - 05 Nov	SWISS
05 Oct - 05 Nov	SWISS
15 Oct - 03 Nov	SWISS

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

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 London to Bangkok in October from 691€

Return flights