Kelimutu Lakes one of the most important highlights of Flores just drive 1,5 hour from Ende.Check for airline ticket, new airline Kalstar operate from Bali.
Stay at one of Moni accommodation and next day early morning head from your hotel to those changing colours crater lakes.
Usually guest stay only one night and next day already flight back to Labuan Bajo. However if you have time its worth trekking Kelimutu area. There are some other natural attraction such as waterfalls and hot spring in area. For more info look at our page about those magician kelimutu tri colour crater lakes, Moni
Sent from my Samsung Galaxy smartphone.