The best month to fly between Riyadh and Jeddah is September and the most expensive month to fly is June. (Average prices, based on 843 datapoints.)
The best day to arrive at Riyadh is Friday and it would be best to avoid Monday, as prices are on average 174.01% higher than on Friday. (Average prices, based on 1198735 datapoints.)
The best time to fly is at around 0. (Average prices, based on 964 datapoints.)