ITO
Hilo International Airport

Hilo International Airport (IATA: ITO, ICAO: PHTO) is a medium airport in Hilo, Hawaii, United States. It opened in 1928. It has 2 runways; the longest is 9,803 ft (2,988 m). In 2025 it handled 1.4 million passengers.
Timeline
1 event · 1928–19281928
OpenedHilo International Airport opens.
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF08/26090° / 270° · LIT
LENGTH9,803 ft2,988 mWIDTH150 ft46 mSURFACEAsphalt
03/21041° / 221° · LIT
LENGTH5,601 ft1,707 mWIDTH150 ft46 mSURFACEAsphalt
Passengers per year
2014–20251.4M
1.3M
1.3M
1.3M
1.2M
1.2M
465K
723K
1.3M
1.4M
1.4M
1.4M
141516171819202122232425
Routes
3 destinations · 1 countryMost destinationsHawaiian Airlines 2Southwest Airlines 2
Straight lines are great circles; rings mark true distance from ITO. From the Wikipedia article “Hilo International Airport” (revision of 7 Aug 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
6 channelsA/DAPP/DEP119.700
ATISATIS126.400
CTAFCTAF118.100
GNDGND121.900
RDOHONOLULU RDO122.600
TWRTWR118.100