Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kuala Lumpur to Kaunas as you normally would.
If you book a flight to Kaunas from Kuala Lumpur, you will be flying to Kaunas, which is the city’s only airport. Kaunas (KUN) is located 13.4 km from the centre of Kaunas. There are 0 flights from Kuala Lumpur to Kaunas per day from 0 different airlines.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Kuala Lumpur Intl Airport to Kaunas Airport flight would often be abbreviated as a KUL to KUN flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Kuala Lumpur Subang Airport (SZB), Malacca Batu Berendum Airport (MKZ).