Please be aware that Rome has multiple airports and that these results are only for Leonardo da Vinci–Fiumicino Airport.
The best month to arrive at Rome is January and the most expensive month to fly is April. (Average prices, based on 735 datapoints.)
The best day to arrive at Rome is Monday and it would be best to avoid Saturday, as prices are on average 65.95% higher than on Monday. (Average prices, based on 263 datapoints.)
The cheapest airline flying to Rome is Vueling. They are 79% cheaper than Lufthansa. (Average prices, based on 811 datapoints.)
At Rome the most flights depart around 17:00. (Hourly flights, based on 848 datapoints.)