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

Return flights

09 Oct - 06 Nov	AJet
12 Oct - 06 Nov	AJet
07 Oct - 06 Nov	AJet
08 Oct - 06 Nov	AJet
22 Oct - 06 Nov	AJet
23 Oct - 06 Nov	AJet
12 Oct - 31 Oct	AJet
04 Oct - 06 Nov	AJet
01 Oct - 30 Oct	AJet
01 Oct - 31 Oct	AJet
22 Oct - 07 Nov	AJet
23 Oct - 30 Oct	AJet
28 Oct - 06 Nov	AJet
15 Oct - 06 Nov	AJet
12 Oct - 28 Oct	AJet
15 Oct - 30 Oct	AJet
23 Oct - 28 Oct	AJet
03 Oct - 31 Oct	AJet
15 Oct - 31 Oct	AJet
16 Oct - 23 Oct	AJet

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 $469

Return flights