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

Return flights

27 Oct - 02 Nov	SalamAir
26 Oct - 06 Nov	Fly Jinnah
26 Oct - 08 Nov	Fly Jinnah
27 Oct - 01 Nov	SalamAir
25 Oct - 09 Nov	Fly Jinnah
26 Oct - 05 Nov	Fly Jinnah
24 Oct - 31 Oct	Fly Jinnah
30 Oct - 12 Nov	Fly Jinnah
20 Oct - 30 Oct	Flynas
25 Oct - 29 Nov	Fly Jinnah
22 Oct - 14 Nov	Flynas
20 Oct - 01 Nov	Fly Jinnah
20 Oct - 31 Oct	Gulf Air
30 Oct - 31 Oct	Etihad Airways
20 Oct - 23 Oct	Fly Jinnah
20 Oct - 31 Oct	Turkish Airlines	direct
20 Oct - 30 Oct	Turkish Airlines	direct
21 Oct - 28 Oct	Turkish Airlines	direct
22 Oct - 27 Oct	Turkish Airlines	direct
22 Oct - 29 Oct	Turkish Airlines	direct

Also check the deals for one-way flights from Islamabad 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 Islamabad to Istanbul in October from 315€

Return flights