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

Return flights

11 Oct - 13 Oct	Thai AirAsia
08 Oct - 14 Oct	Nok Air
12 Oct - 02 Nov	Nok Air
11 Oct - 14 Oct	IndiGo
28 Oct - 05 Nov	Air Arabia
19 Oct - 25 Oct	IndiGo
05 Oct - 11 Oct	Thai Lion Air
29 Oct - 05 Nov	Norse Atlantic Airways (UK)
24 Oct - 27 Oct	Air Arabia
15 Oct - 05 Nov	Nok Air
02 Oct - 09 Oct	Thai Lion Air
07 Oct - 13 Oct	Thai VietJet Air
06 Oct - 13 Oct	Thai Lion Air
05 Oct - 10 Oct	Thai Lion Air
14 Oct - 06 Nov	Air Arabia
26 Oct - 03 Nov	Air Arabia
18 Oct - 20 Nov	Air Arabia
25 Oct - 16 Nov	Air Arabia
25 Oct - 01 Nov	Air Arabia
28 Oct - 02 Nov	Air Arabia

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 $473

Return flights