Ontario to Hilo (ONT–ITO) — Airlines, Schedules & Connections

ONT Airport Page →
2,493 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 2 1-stop flights Verified 3w ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 2 hubs
HNL Honolulu, Oahu 7h 44m 8CASWN → AQASJL Honolulu, Oahu (HNL) to Hilo flights
LAS Las Vegas 9h 45m F9WNY4 → WN Las Vegas (LAS) to Hilo flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ontario to Hilo
Connecting service available through multiple hubs.
1 Airlines 2,493 mi 5h 38m nonstop -3h behind

ONT–ITO had nonstop service from Alaska Airlines, last on the schedule in August 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 2,493 miles in 5h 38m.

Also explore Browse available seat maps ONT Routes ITO Routes ONT Live Flights ITO Live Flights ONT Delays ITO Delays
All flights from Hilo (ITO) Hilo to Ontario flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop ONT–ITO service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 1 – – 100% Oneworld –
Alliance coverage
Oneworld: AS (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for ONT to ITO.
1-STOP
One-Stop Connections
2
Hubs
~7h
Fastest
~9h
Longest
HNL ~7h 44m LAS ~9h 45m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
53
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
ONT → ITO
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
ITO → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → ITO delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Hilo is 3 hours behind Ontario.
ONT: PDT · ITO: HST

When it's 6:00 PM in Ontario, it's 3:00 PM in Hilo.
Distance & Flight Time
2,493 mi / 4,012 km
Nonstop flight time is approximately 5h 38m gate to gate.
Facts

ONT–ITO Quick Facts

Key statistics for the Ontario to Hilo route.
Route details
Distance2,493 mi / 4,012 km
Flight time5h 38m
Time difference-3 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: ITO
Full nameHilo International Airport
IATA / ICAOITO / PHTO
TimezonePacific/Honolulu
Passengers/yr1.4M
Elevation38 ft / 12 m
FAQ

Frequently Asked Questions

Common questions about ONT to ITO flights.
Nonstop flights from Ontario International Airport to Hilo International Airport take about 5h 38m gate to gate. The route covers 2,493 miles.
1 airline operated the nonstop from ONT to ITO: Alaska Airlines. The last scheduled nonstop was in August 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in August 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 5h 38m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Daniel K. Inouye and Harry Reid.
On a single ticket, yes. Your bags are checked through to ITO and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Hilo is 3 hours behind Ontario.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from ONT to ITO

Ontario International Airport (ONT) and Hilo International Airport (ITO) had nonstop service from Alaska Airlines, last on the schedule in August 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

ONT to ITO Flight Duration and Schedule

Nonstop flight time from ONT to ITO is about 5 hours 38 minutes gate to gate. The route covers a distance of 2,493 miles (4,012 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Daniel K. Inouye and Harry Reid. Two-stop connections are also available via intermediate hubs.