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

Return flights

04 Dec - 04 Jan	flyadeal	direct
18 Dec - 09 Jan	flyadeal	direct
27 Dec - 11 Jan	flyadeal	direct
25 Dec - 11 Jan	flyadeal	direct
05 Dec - 26 Dec	Flynas	direct
09 Dec - 26 Dec	Flynas	direct
10 Dec - 30 Jan	Flynas	direct
26 Dec - 02 Jan	Airblue	direct
17 Dec - 31 Dec	Flynas
22 Dec - 22 Jan	Flynas
17 Dec - 31 Dec	Flynas	direct
01 Dec - 26 Jan	Flynas	direct
12 Dec - 09 Jan	Flynas
12 Dec - 13 Jan	Flynas	direct
01 Dec - 30 Dec	Flynas
01 Dec - 09 Dec	Flynas
04 Dec - 20 Dec	flyadeal
01 Dec - 30 Dec	Flynas	direct
04 Dec - 11 Dec	Flynas	direct
04 Dec - 31 Dec	Flynas	direct

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

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 December from 111€

Return flights