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

Return flights

01 Oct - 03 Oct	Thai Lion Air
11 Oct - 19 Oct	Thai Lion Air
19 Oct - 26 Oct	Thai Lion Air
22 Oct - 27 Oct	Thai Lion Air
18 Oct - 26 Oct	Thai Lion Air
01 Oct - 05 Oct	Thai AirAsia
01 Oct - 15 Oct	Thai Lion Air
01 Oct - 30 Oct	Thai AirAsia
26 Oct - 11 Nov	Thai AirAsia
03 Oct - 10 Oct	Thai AirAsia
04 Oct - 10 Oct	Thai Lion Air
20 Oct - 05 Nov	Thai Lion Air

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 $413

Return flights