Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Medan to Cuba as you normally would.
Most people fly from Medan Kuala Namu Intl (KNO) if they book a flight from Medan to Cuba. Medan Kuala Namu Intl is conveniently located just 23.8 km from Medan’s city centre.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Medan Kuala Namu Intl Airport to Havana Jose Marti Intl Airport flight would often be abbreviated as a KNO to HAV flight. Las Tunas Airport (VTU), Holguín Frank Pais Airport (HOG), Baracoa Airport (BCA), Cienfuegos Airport (CFG), Santa Clara Airport (SNU) are other airports near this flight route and their unique identifiers/IATA codes.