The best day to arrive at Riyadh is Thursday and it would be best to avoid Friday, as prices are on average 135.84% higher than on Thursday. (Average prices, based on 229537 datapoints.)
Monday€ 235
Mon
Tuesday€ 215
Tue
Wednesday€ 310
Wed
Thursday€ 151
Thu
Friday€ 356
Fri
Saturday€ 182
Sat
Sunday€ 230
Sun
Analyse direct flights between Riyadh and Abu Dhabi.
