Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast Intl Airport to Lihue as you normally would.
Located just 1.8 mi from the city center, Lihue is the airport most travelers will use when flying to Lihue from Belfast Intl. Booking flights from Belfast Intl to Lihue (LIH) should be relatively easy as there are 0 daily inbound flights from Belfast Intl from 0 different airlines.