Please be aware that Paris has multiple airports and that these results are for all airports serving the city.
The best month to arrive at Paris is April and the most expensive month to fly is February. (Average prices, based on 287 datapoints.)
The best day to arrive at Paris is Sunday and it would be best to avoid Saturday, as prices are on average 39.96% higher than on Sunday. (Average prices, based on 900 datapoints.)
The cheapest airline flying to Paris is Transavia France. They are 84% cheaper than Qatar Airways. (Average prices, based on 333 datapoints.)
At Paris the most flights depart around 09:00. (Hourly flights, based on 385 datapoints.)
From Paris it is on average the cheapest to fly to Munich and to Amsterdam. (Average prices, based on 388 datapoints.)