Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Nova Scotia to Ukraine as you normally would.
Halifax Intl Airport is YHZ and Kyiv Zhuliany Intl Airport is IEV. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Kyiv Boryspil Intl Airport (KBP), Lviv Danylo Halytskyi Intl Airport (LWO), Odesa Intl Airport (ODS), Kharkiv Intl Airport (HRK), Dnipro Dnepropetrovsk Airport (DNK).