The best month to arrive at Dusseldorf is December and the most expensive month to fly is January. (Average prices, based on 1326 datapoints.)
The best day to arrive at Dusseldorf is Wednesday and it would be best to avoid Sunday, as prices are on average 60.06% higher than on Wednesday. (Average prices, based on 1442 datapoints.)
The cheapest airline flying to Dusseldorf is Vueling. They are 85% cheaper than Emirates. (Average prices, based on 1342 datapoints.)