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

Return flights

09 Oct - 12 Oct	Air India
13 Oct - 27 Oct	Nok Air
17 Oct - 27 Oct	Nok Air
17 Oct - 26 Oct	Nok Air
10 Oct - 20 Oct	SalamAir
20 Oct - 25 Oct	Nok Air
29 Oct - 12 Nov	Norse Atlantic Airways (UK)
06 Oct - 10 Oct	Etihad Airways
01 Oct - 13 Oct	Gulf Air
27 Oct - 10 Nov	Gulf Air
01 Oct - 09 Oct	Gulf Air
02 Oct - 10 Oct	Air India
14 Oct - 04 Nov	Thai Lion Air
27 Oct - 02 Nov	Norse Atlantic Airways (UK)
27 Oct - 12 Nov	Etihad Airways
30 Oct - 06 Nov	Etihad Airways
29 Oct - 15 Nov	Etihad Airways
26 Oct - 02 Nov	Norse Atlantic Airways
24 Oct - 02 Nov	IndiGo
24 Oct - 04 Nov	IndiGo

Also check the deals for one-way flights from Bangkok to Istanbul 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 Bangkok to Istanbul in October from 384€

Return flights