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 November and the most expensive month to fly is August. (Average prices, based on 212 datapoints.)
The best day to arrive at Frankfurt is Wednesday and it would be best to avoid Friday, as prices are on average 70.23% higher than on Wednesday. (Average prices, based on 706 datapoints.)
The cheapest airline flying to Frankfurt is British Airways. They are 90% cheaper than Singapore Airlines. (Average prices, based on 249 datapoints.)
At Frankfurt the most flights depart around 17:00. (Hourly flights, based on 308 datapoints.)
From Frankfurt it is on average the cheapest to fly to London and to Stockholm. (Average prices, based on 408 datapoints.)