Kailua-Kona to Ontario (KOA–ONT) — Airlines, Schedules & Connections

KOA Airport Page →
2,548 mi airlines 2/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 18 1-stop flights Verified 1h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Kailua-Kona to Ontario
Connecting service available through multiple hubs.
2 Flights/wk 2,548 mi 4h 52m nonstop +3h ahead 18 1-stop hubs

While no nonstop service exists between KOA and ONT, connecting options are available through 18 hubs.

Also explore KOA Routes ONT Routes KOA Live Flights ONT Live Flights KOA Delays ONT Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for KOA to ONT.
1-STOP
One-Stop Connections
18
Hubs
~6h
Fastest
~21h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
388
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.
Alternatives

Other ways to reach Ontario from Kailua-Kona

Nearby airports with service to Ontario International Airport.
Metric KOA→ONT HNL→ONT
Distance from KOA – 163 mi
Nonstop airlines 0 4
Weekly flights 2 12
Flight time 4h 52m 4h 43m
Departure OTP 0% –
Honolulu, Oahu (HNL) to Ontario flights
Airports within 200 miles of KOA with service to Ontario International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+3h
Ontario is 3 hours ahead of Kailua-Kona.
KOA: HST · ONT: PDT

When it's 6:00 PM in Kailua-Kona, it's 9:00 PM in Ontario.
Distance & Flight Time
2,548 mi / 4,101 km
Nonstop flight time is approximately 4h 52m.
Facts

KOA–ONT Quick Facts

Key statistics for the Kailua-Kona to Ontario route.
Route details
Distance2,548 mi / 4,101 km
Flight time4h 52m
Time difference+3 hours
Airlines (nonstop)0
Weekly flights2 out / 1 return
1-stop connections18 hubs
Origin: KOA
Full nameEllison Onizuka Kona International Airport at Keāhole
IATA / ICAOKOA / PHKO
TimezonePacific/Honolulu
Passengers/yr4.0M
Elevation47 ft / 14 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about KOA to ONT flights.
Nonstop flights from Ellison Onizuka Kona International Airport at Keāhole to Ontario International Airport take approximately 4h 52m. The route covers 2,548 miles.
There are approximately 2 nonstop flights per week from KOA to ONT. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through VNY, OAK, LIH, SLC, AUS, ANC, DFW, ORD, EWR, PHX, HNL, LAS, DEN, SJC, PDX, SFO, SMF and SEA. These options provide additional schedule flexibility.
Ontario is 3 hours ahead of Kailua-Kona.
Yes, return flights from ONT to KOA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include HNL. See the Alternatives section for a full comparison.
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 KOA to ONT

Ellison Onizuka Kona International Airport at Keāhole (KOA) and Ontario International Airport (ONT) are connected through multiple connecting hub airports.

KOA to ONT Flight Duration and Schedule

Nonstop flight time from KOA to ONT ranges from 4 hours 52 minutes. The route covers a distance of 2,548 miles (4,101 km). There are approximately 2 weekly flights outbound and 1 return, totaling 3 flights per week in both directions.

Connecting Options and Alternatives

18 one-stop connections are available, with the fastest taking approximately 6 hours via VNY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Honolulu, Oahu (HNL).