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

Return flights

20 Aug - 15 Sep	Gulf Air
29 Aug - 15 Sep	Gulf Air
23 Aug - 15 Sep	Gulf Air
19 Aug - 30 Sep	SalamAir
19 Aug - 21 Sep	SalamAir
24 Aug - 30 Sep	SalamAir
20 Aug - 19 Sep	Gulf Air
29 Aug - 30 Sep	Flynas
24 Aug - 20 Sep	SalamAir
28 Aug - 20 Sep	Serene Air
21 Aug - 28 Aug	PIA	direct
18 Aug - 27 Aug	PIA	direct
21 Aug - 31 Aug	Serene Air
26 Aug - 31 Aug	SalamAir
28 Aug - 31 Aug	Serene Air	direct
29 Aug - 31 Aug	Flynas	direct
17 Aug - 21 Aug	SalamAir
17 Aug - 30 Aug	Flynas	direct
21 Aug - 24 Aug	Serene Air
20 Aug - 24 Aug	Flynas

Also check the deals for one-way flights from Riyadh to Islamabad in August.

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 August from 225€

Return flights