Please be aware that Frankfurt has multiple airports and that these results are for all airports serving the city.
The best month to arrive at Frankfurt is January and the most expensive month to fly is August. (Average prices, based on 739 datapoints.)
The best day to arrive at Frankfurt is Monday and it would be best to avoid Tuesday, as prices are on average 28.15% higher than on Monday. (Average prices, based on 727 datapoints.)
The cheapest airline flying to Frankfurt is Ryanair. They are 90% cheaper than Turkish Airlines. (Average prices, based on 911 datapoints.)
At Frankfurt the most flights depart around 18:00. (Hourly flights, based on 1105 datapoints.)
From Frankfurt it is on average the cheapest to fly to London and to Paris. (Average prices, based on 330 datapoints.)
From Frankfurt most of the flights depart to Berlin, second best connected from Frankfurt is Munich. (Daily flights, based on 105 datapoints.)