Please be aware that Frankfurt has multiple airports and that these results are only for Frankfurt Airport.
The best month to arrive at Frankfurt is November and the most expensive month to fly is June. (Average prices, based on 328 datapoints.)
The best day to arrive at Frankfurt is Monday and it would be best to avoid Saturday, as prices are on average 46.03% higher than on Monday. (Average prices, based on 1110 datapoints.)
The cheapest airline flying to Frankfurt is British Airways. They are 92% cheaper than United Airlines. (Average prices, based on 496 datapoints.)
At Frankfurt the most flights depart around 18:00. (Hourly flights, based on 967 datapoints.)
From Frankfurt it is on average the cheapest to fly to Paris and to London. (Average prices, based on 200 datapoints.)
From Frankfurt most of the flights depart to London, second best connected from Frankfurt is Munich. (Daily flights, based on 127 datapoints.)