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

Return flights

02 Jul - 12 Aug	Qatar Airways
08 Jul - 15 Jul	Fly Jinnah
02 Jul - 31 Jul	Qatar Airways
02 Jul - 26 Aug	Qatar Airways
02 Jul - 08 Jul	Qatar Airways
02 Jul - 23 Jul	Qatar Airways
18 Jul - 08 Aug	PIA
14 Jul - 04 Aug	PIA
28 Jul - 04 Aug	PIA
14 Jul - 16 Jul	PIA
22 Jul - 12 Aug	PIA
08 Jul - 07 Aug	Fly Jinnah
15 Jul - 05 Aug	PIA
16 Jul - 31 Jul	Fly Jinnah
21 Jul - 15 Aug	PIA
19 Jul - 20 Jul	Fly Jinnah
12 Jul - 15 Jul	PIA
24 Jul - 31 Jul	PIA
28 Jul - 04 Aug	Flynas	direct
29 Jul - 29 Jul	Flynas	direct

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

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 July from 272€

Return flights