Please be aware that London has multiple airports and that these results are only for London Gatwick Airport.
The best month to arrive at London is May and the most expensive month to fly is August. (Average prices, based on 742 datapoints.)
The best day to arrive at London is Tuesday and it would be best to avoid Sunday, as prices are on average 324.34% higher than on Tuesday. (Average prices, based on 573 datapoints.)
The cheapest airline flying to London is Vueling. They are 73% cheaper than Air Transat. (Average prices, based on 746 datapoints.)
At London the most flights depart around 07:00. (Hourly flights, based on 1029 datapoints.)
From London it is on average the cheapest to fly to Istanbul and to Dubai. (Average prices, based on 61 datapoints.)
From London most of the flights depart to Amsterdam, second best connected from London is Antalya. (Daily flights, based on 197 datapoints.)