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

ONT Airport Page →
2,548 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 14 1-stop flights Verified 1w 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 31m ASWN → AQASJL Honolulu, Oahu (HNL) to Kailua-Kona flights
OAK Oakland 7h 44m WN → KAI Oakland (OAK) to Kailua-Kona flights
SFO San Francisco 7h 48m ACCMF9 → ACASAV San Francisco (SFO) to Kailua-Kona flights
SMF Sacramento 7h 55m WN → ASWN Sacramento (SMF) to Kailua-Kona flights
PHX Phoenix 9h AAPDWN → AA Phoenix (PHX) to Kailua-Kona flights
SEA Seattle 9h 43m ASDLF9 → AFASAY Seattle (SEA) to Kailua-Kona flights
LAS Las Vegas 9h 55m F9WNY4 → WN Las Vegas (LAS) to Kailua-Kona flights
DEN Denver 10h 42m ACF9G6 → UA Denver (DEN) to Kailua-Kona flights
SJC San Jose 18h 25m WN → AS San Jose (SJC) to Kailua-Kona flights
PDX Portland 20h 23m AS → AS Portland (PDX) to Kailua-Kona flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ontario to Kailua-Kona
Connecting service available through multiple hubs.
2 Airlines 2,548 mi 5h 46m nonstop -3h behind

ONT–KOA had nonstop service from Virgin Australia and Alaska Airlines, last on the schedule in June 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 2,548 miles in 5h 46m.

Also explore ONT Routes KOA Routes ONT Live Flights KOA Live Flights ONT Delays KOA Delays
All flights from Kailua-Kona (KOA) Kailua-Kona to Ontario flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop ONT–KOA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
VA Virgin Australia 1 – – 91% – –
AS Alaska Airlines 0 – – 91% Oneworld –
Alliance coverage
Unaffiliated: VA (1 flights/wk, 100%)
Oneworld: AS (0 flights/wk, 0%)
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 KOA.
1-STOP
One-Stop Connections
14
Hubs
~7h
Fastest
~20h
Longest
HNL ~7h 31m OAK ~7h 44m SFO ~7h 48m SMF ~7h 55m PHX ~9h 0m
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
ONT → KOA
91%
Generally reliable. Most flights run on time.
Departing
91%
Arriving
100%
Return
KOA → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
90%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → KOA delays →
Alternatives

Other ways to reach Kailua-Kona from Ontario

Nearby airports with service to Ellison Onizuka Kona International Airport at Keāhole.
Metric ONT→KOA SNA→KOA LAX→KOA
Distance from ONT – 30 mi 47 mi
Nonstop airlines – 2 21
Weekly flights – 1 135
Flight time 5h 46m 5h 36m 5h 33m
Departure OTP 91% – –
Santa Ana (SNA) to Kailua-Kona flights · Los Angeles (LAX) to Kailua-Kona flights · Carlsbad (CLD) to Kailua-Kona flights
Airports within 200 miles of ONT with service to Ellison Onizuka Kona International Airport at Keāhole.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Ontario, it's 3:00 PM in Kailua-Kona.
Distance & Flight Time
2,548 mi / 4,101 km
Nonstop flight time is approximately 5h 46m gate to gate.
Facts

ONT–KOA Quick Facts

Key statistics for the Ontario to Kailua-Kona route.
Route details
Distance2,548 mi / 4,101 km
Flight time5h 46m
Time difference-3 hours
Airlines (nonstop)2
1-stop connectionsAvailable
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: KOA
Full nameEllison Onizuka Kona International Airport at Keāhole
IATA / ICAOKOA / PHKO
TimezonePacific/Honolulu
Passengers/yr4.0M
Elevation47 ft / 14 m
FAQ

Frequently Asked Questions

Common questions about ONT to KOA flights.
Nonstop flights from Ontario International Airport to Ellison Onizuka Kona International Airport at Keāhole take about 5h 46m gate to gate. The route covers 2,548 miles.
2 airlines operated the nonstop from ONT to KOA: Virgin Australia and Alaska Airlines. The last scheduled nonstop was in June 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 June 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 5h 46m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Daniel K. Inouye, San Francisco Bay Oakland and San Francisco.
Kailua-Kona is 3 hours behind Ontario.
Yes, return flights from KOA to ONT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SNA, LAX and CLD. 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 ONT to KOA

Ontario International Airport (ONT) and Ellison Onizuka Kona International Airport at Keāhole (KOA) had nonstop service from Virgin Australia and Alaska Airlines, last on the schedule in June 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 KOA Flight Duration and Schedule

Nonstop flight time from ONT to KOA is about 5 hours 46 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, San Francisco Bay Oakland and San Francisco. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Santa Ana (SNA), Los Angeles (LAX) and Carlsbad (CLD).