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

Return flights

30 Oct - 13 Nov	Air China
26 Oct - 04 Nov	Air China
24 Oct - 03 Nov	Air China
24 Oct - 07 Nov	Air China
28 Oct - 11 Nov	Air China
26 Oct - 10 Nov	Air China
26 Oct - 03 Nov	Air China
28 Oct - 07 Nov	Air China
27 Oct - 05 Nov	Air China
27 Oct - 10 Nov	Air China
26 Oct - 31 Oct	Air China
20 Oct - 31 Oct	Air China
15 Oct - 22 Oct	Air China
22 Oct - 25 Oct	Air China
26 Oct - 29 Oct	Air China
22 Oct - 30 Oct	Air China
15 Oct - 28 Oct	Air China
15 Oct - 30 Oct	Air China
15 Oct - 26 Oct	Air China
17 Oct - 24 Oct	Air China

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 503€

Return flights