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 Saturday and it would be best to avoid Sunday, as prices are on average 31.26% higher than on Saturday. (Average prices, based on 3984838 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.)
