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

KOA Airport Page →
2,548 mi airlines charter/private 2/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 13 1-stop flights Verified 16h 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 10 hubs
HNL Honolulu, Oahu 7h 1m AQASCPT → 8CASK4 Honolulu, Oahu (HNL) to Ontario flights
SMF Sacramento 7h 11m ASWN → WN Sacramento (SMF) to Ontario flights
SFO San Francisco 7h 35m ACASAV → ACCMEJA San Francisco (SFO) to Ontario flights
SJC San Jose 7h 43m ASLXJ → WN San Jose (SJC) to Ontario flights
PHX Phoenix 8h 19m AA → AAEJAPD Phoenix (PHX) to Ontario flights
LAS Las Vegas 8h 40m WN → F9WNY4 Las Vegas (LAS) to Ontario flights
PDX Portland 8h 53m AS → 5XASBA Portland (PDX) to Ontario flights
SEA Seattle 9h 37m ASDLQR → ASDLF9 Seattle (SEA) to Ontario flights
DEN Denver 10h 36m UA → ACF9UA Denver (DEN) to Ontario flights
LIH Lihue, Kauai ~7h 47m ASJL → Lihue, Kauai (LIH) to Ontario flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Kailua-Kona to Ontario
Connecting service available through multiple hubs.
2,548 mi 4h 43m nonstop +3h ahead

While no nonstop service exists between KOA and ONT, 1-stop connecting options are available.

Also explore KOA Routes ONT Routes KOA Live Flights ONT Live Flights KOA Delays ONT Delays
All flights from Ontario (ONT) Ontario to Kailua-Kona flights
Connections

Connection Landscape

1-stop and 2-stop options for KOA to ONT.
1-STOP
One-Stop Connections
13
Hubs
~7h
Fastest
~15h
Longest
HNL ~7h 1m SMF ~7h 11m SFO ~7h 35m SJC ~7h 43m LIH ~7h 47m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
303
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
80%
Generally reliable. Most flights run on time.
Departing
80%
Arriving
79%
Return
ONT → KOA
40%
Frequent delays expected. Consider flexible booking.
Departing
40%
Arriving
63%
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 – 5
Weekly flights – 25
Flight time 4h 43m 4h 45m
Departure OTP 80% –
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 43m gate to gate.
Facts

KOA–ONT Quick Facts

Key statistics for the Kailua-Kona to Ontario route.
Route details
Distance2,548 mi / 4,101 km
Flight time4h 43m
Time difference+3 hours
Airlines (nonstop)0
1-stop connectionsAvailable
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 about 4h 43m gate to gate. The route covers 2,548 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Daniel K. Inouye, Sacramento and San Francisco.
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 is about 4 hours 43 minutes gate to gate. The route covers a distance of 2,548 miles (4,101 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Daniel K. Inouye, Sacramento and San Francisco. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Honolulu, Oahu (HNL).