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

Return flights

23 Oct - 05 Nov	Air China
25 Oct - 29 Oct	Air China
20 Oct - 03 Nov	IndiGo
21 Oct - 28 Oct	IndiGo
27 Oct - 01 Nov	China Southern
22 Oct - 29 Oct	IndiGo
21 Oct - 27 Oct	IndiGo
23 Oct - 01 Nov	IndiGo
28 Oct - 07 Nov	Emirates
31 Oct - 05 Nov	Emirates
31 Oct - 12 Nov	Emirates
27 Oct - 03 Nov	Emirates
28 Oct - 08 Nov	Emirates
27 Oct - 02 Nov	Emirates
18 Oct - 21 Oct	Emirates
19 Oct - 26 Oct	Emirates
20 Oct - 28 Oct	Emirates
20 Oct - 27 Oct	Emirates
27 Oct - 31 Oct	Emirates
20 Oct - 31 Oct	IndiGo

Also check the deals for one-way flights from Hong Kong 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 Hong Kong to Istanbul in October from $463

Return flights