Which airport Airport serves most of East Hawai, Logan International Airport and Hilo International Airport?
Hilo International Airport: Hilo International Airport (IATA: ITO, ICAO: PHTO, FAA LID: ITO) , formerly General Lyman Field, is owned and operated by the Hawaiʻ i state Department of Transportation. Hilo International Airport:  Located in Hilo, Hawaiʻ i County, the airport encompasses 1391 acre and is one of two major airports on Hawaiʻ i Island and one of five major airports in the state.
i don't know