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

Return flights

28 Oct - 18 Nov	Norse Atlantic Airways
13 Oct - 20 Oct	Air Arabia
15 Oct - 22 Oct	Air Arabia
08 Oct - 14 Oct	Air Arabia
01 Oct - 30 Oct	Air Arabia
20 Oct - 28 Oct	Air Arabia
28 Oct - 10 Nov	Air Arabia
08 Oct - 13 Oct	Air Arabia
13 Oct - 28 Oct	Air Arabia
04 Oct - 09 Oct	Air Arabia
11 Oct - 20 Oct	Air Arabia
21 Oct - 26 Oct	Air Arabia
31 Oct - 24 Nov	Air Arabia
23 Oct - 06 Nov	Air Arabia
31 Oct - 06 Nov	Air Arabia
24 Oct - 07 Nov	Air Arabia
08 Oct - 01 Nov	Air Arabia
29 Oct - 01 Nov	Air Arabia
28 Oct - 10 Nov	Thai Airways	direct
28 Oct - 18 Nov	Thai Airways	direct

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 412€

Return flights