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

Return flights

16 Oct - 27 Oct	Gulf Air
19 Oct - 21 Oct	flyadeal
20 Oct - 10 Nov	Gulf Air
01 Oct - 17 Oct	Gulf Air
03 Oct - 11 Oct	Flynas	direct
05 Oct - 12 Oct	flyadeal	direct
03 Oct - 12 Oct	flyadeal	direct
03 Oct - 17 Oct	Gulf Air
10 Oct - 12 Oct	flyadeal	direct
02 Oct - 18 Oct	Gulf Air
10 Oct - 10 Nov	Gulf Air
02 Oct - 28 Nov	Gulf Air
03 Oct - 28 Nov	Gulf Air
21 Oct - 03 Nov	Saudia
05 Oct - 16 Oct	Gulf Air
16 Oct - 29 Nov	Saudia
23 Oct - 13 Nov	Kuwait Airways
09 Oct - 22 Nov	Kuwait Airways
30 Oct - 30 Nov	Etihad Airways
17 Oct - 22 Nov	Etihad Airways

Also check the deals for one-way flights from Riyadh 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 Riyadh to Islamabad in October from 241€

Return flights