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

Return flights

11 Oct - 31 Oct	Ryanair
13 Oct - 31 Oct	Pegasus Airlines
01 Oct - 31 Oct	AJet
02 Oct - 31 Oct	Pegasus Airlines
05 Oct - 26 Oct	AJet
07 Oct - 28 Oct	Pegasus Airlines
29 Oct - 14 Nov	Pegasus Airlines
27 Oct - 31 Oct	Ryanair
24 Oct - 31 Oct	Ryanair
15 Oct - 06 Nov	AJet
28 Oct - 31 Oct	Ryanair
08 Oct - 07 Nov	Pegasus Airlines
25 Oct - 31 Oct	Ryanair
10 Oct - 03 Nov	AJet
03 Oct - 03 Nov	AJet
07 Oct - 06 Nov	Pegasus Airlines
28 Oct - 04 Nov	Ryanair
04 Oct - 03 Nov	AJet
27 Oct - 03 Nov	Ryanair
01 Oct - 30 Nov	Pegasus Airlines

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 405€

Return flights