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

ONT Airport Page →
2,548 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 22 1-stop flights Verified 3w ago
Nonstop 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 nonstop flights on this route. connecting options below.

✦ 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 6h 15m nonstop -3h behind 22 1-stop hubs

ONT–KOA is served by 2 airlines with nonstop service. Alaska Airlines and Virgin Australia lead the route. The flight covers 2,548 miles in approximately 6h 15m. Beyond nonstop, 22 hubs offer 1-stop connections.

Also explore ONT Routes KOA Routes ONT Live Flights KOA Live Flights ONT Delays KOA Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop ONT–KOA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 0 – – 76% Oneworld –
VA Virgin Australia 0 – – 76% – –
Alliance coverage
Oneworld: AS (0 flights/wk, 0%)
Unaffiliated: VA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to KOA.
1-STOP
One-Stop Connections
22
Hubs
~7h
Fastest
~26h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
368
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 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 1 20
Weekly flights 0 – 104
Flight time 6h 15m 5h 19m 5h 35m
Departure OTP 76% – –
Santa Ana (SNA) to Kailua-Kona flights · Los Angeles (LAX) to Kailua-Kona flights · San Diego (SAN) 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 6h 15m.
Facts

ONT–KOA Quick Facts

Key statistics for the Ontario to Kailua-Kona route.
Route details
Distance2,548 mi / 4,101 km
Flight time6h 15m
Time difference-3 hours
Airlines (nonstop)2
1-stop connections22 hubs
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 approximately 6h 15m. The route covers 2,548 miles.
2 airlines operate nonstop service: Alaska Airlines and Virgin Australia.
Yes, 1-stop connections are available through SBA, VNY, SNA, SCF, OGG, OAK, HND, SLC, AUS, ANC, DFW, ORD, SEA, EWR, SMF, HNL, SFO, SJC, DEN, PHX, LAS and PDX. These options provide additional schedule flexibility.
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 SAN. 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) are connected by nonstop service from Alaska Airlines and Virgin Australia.

ONT to KOA Flight Duration and Schedule

Nonstop flight time from ONT to KOA ranges from 6 hours 15 minutes. The route covers a distance of 2,548 miles (4,101 km).

Connecting Options and Alternatives

22 one-stop connections are available, with the fastest taking approximately 7 hours via SBA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Santa Ana (SNA), Los Angeles (LAX) and San Diego (SAN).