Please be aware that Rome has multiple airports and that these results are for all airports serving the city.
The best month to arrive at Rome is January and the most expensive month to fly is April. (Average prices, based on 768 datapoints.)
The best day to arrive at Rome is Wednesday and it would be best to avoid Saturday, as prices are on average 74.83% higher than on Wednesday. (Average prices, based on 693 datapoints.)
The cheapest airline flying to Rome is Ryanair. They are 77% cheaper than Aer Lingus. (Average prices, based on 869 datapoints.)
At Rome the most flights depart around 09:00. (Hourly flights, based on 962 datapoints.)
From Rome it is on average the cheapest to fly to Barcelona and to Milan. (Average prices, based on 539 datapoints.)
From Rome most of the flights depart to Milan, second best connected from Rome is Amsterdam. (Daily flights, based on 69 datapoints.)