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

Return flights

14 Oct - 31 Oct	Flynas
20 Oct - 27 Oct	Flynas	direct
08 Oct - 30 Nov	Flynas	direct
15 Oct - 22 Oct	Flynas	direct
16 Oct - 23 Oct	Flynas	direct
24 Oct - 31 Oct	Fly Jinnah
08 Oct - 19 Oct	Flynas	direct
12 Oct - 14 Oct	Flynas	direct
31 Oct - 31 Oct	Flynas	direct
06 Oct - 16 Nov	Flynas	direct
10 Oct - 17 Oct	Fly Jinnah
01 Oct - 12 Oct	Fly Jinnah
27 Oct - 17 Nov	Serene Air
23 Oct - 28 Nov	Fly Jinnah
27 Oct - 30 Nov	Serene Air

Also check the deals for one-way flights from Islamabad to Riyadh 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 Riyadh in October from $271

Return flights