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

Return flights

09 Oct - 16 Oct	Flynas
02 Oct - 09 Oct	AJet
19 Oct - 23 Oct	Flynas
20 Oct - 30 Oct	flyadeal
15 Oct - 19 Oct	flyadeal
04 Oct - 09 Oct	flyadeal
21 Oct - 20 Nov	flyadeal
17 Oct - 26 Oct	flyadeal
17 Oct - 29 Oct	Flynas
01 Oct - 15 Oct	flyadeal
20 Oct - 24 Oct	Pegasus Airlines
17 Oct - 25 Nov	Flynas
30 Oct - 12 Nov	Flynas
17 Oct - 02 Nov	flyadeal
10 Oct - 10 Nov	Gulf Air
18 Oct - 02 Nov	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Islamabad 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 Istanbul to Islamabad in October from 256€

Return flights