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

KOA Airport Page →
2,548 mi airlines 3/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 1d ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Kailua-Kona to Ontario
Connecting service available through multiple hubs.
3 Flights/wk 2,548 mi 5h 18m nonstop +3h ahead 15 1-stop hubs

While no nonstop service exists between KOA and ONT, connecting options are available through 15 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
15
Hubs
~6h
Fastest
~26h
Longest
VNY ~6h 57m OAK ~8h 5m ANC ~12h 19m LAS ~17h 1m PHX ~17h 8m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
425
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
KOA → ONT
60%
Moderate delays possible. Allow buffer time.
Departing
60%
Arriving
86%
Return
ONT → KOA
86%
Generally reliable. Most flights run on time.
Departing
86%
Arriving
50%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. KOA delays → ONT delays →
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 3 10
Flight time 5h 18m 4h 55m
Departure OTP 60% –
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 5h 18m.
Facts

KOA–ONT Quick Facts

Key statistics for the Kailua-Kona to Ontario route.
Route details
Distance2,548 mi / 4,101 km
Flight time5h 18m
Time difference+3 hours
Airlines (nonstop)0
Weekly flights3 out
1-stop connections15 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 5h 18m. The route covers 2,548 miles.
There are approximately 3 nonstop flights per week from KOA to ONT.
Yes, 1-stop connections are available through VNY, OAK, ANC, LAS, PHX, SLC, SFO, SJC, DEN, SEA, SMF, HNL, DFW, PDX and ORD. 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 5 hours 18 minutes. The route covers a distance of 2,548 miles (4,101 km).

Connecting Options and Alternatives

15 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).