The best month to fly between Riyadh and Islamabad is September and the most expensive month to fly is April. (Average prices, based on 247 datapoints.)
The best day to arrive at Riyadh is Sunday and it would be best to avoid Monday, as prices are on average 238.88% higher than on Sunday. (Average prices, based on 4015038 datapoints.)
The cheapest airline flying from Riyadh to Islamabad is airblue. They are 32% cheaper than Saudi Arabian Airlines. (Average prices, based on 251 datapoints.)