The best month to arrive at Delhi is September and the most expensive month to fly is October. (Average prices, based on 2485 datapoints.)
The best day to arrive at Delhi is Thursday and it would be best to avoid Sunday, as prices are on average 21.64% higher than on Thursday. (Average prices, based on 16098 datapoints.)
The cheapest airline flying to Delhi is AirAsia India. They are 84% cheaper than Emirates. (Average prices, based on 2620 datapoints.)
At Delhi the most flights depart around 20:00. (Hourly flights, based on 3164 datapoints.)
From Delhi it is on average the cheapest to fly to Dehradun and to Ahmedabad. (Average prices, based on 715 datapoints.)
From Delhi most of the flights depart to Mumbai, second best connected from Delhi is Bangalore. (Daily flights, based on 300 datapoints.)