Direct (nonstop) flights from Honolulu to Ontario

2 airlines fly nonstop from Honolulu International Airport (HNL) to Ontario International Airport (ONT). It's 2,602 miles (4,188 km), about 5h 34m in the air. Operated by Alaska Airlines, Southwest Airlines.

HNL
Honolulu International Airport
🇺🇸 Honolulu, USA
ONT
Ontario International Airport
🇺🇸 Ontario, USA
Flight Time
5h 34m
Distance
2,602 mi
4,188 km
CO₂/pax
398 kg
−115 kg vs. layover
Airlines
2
Alaska Airlines +1
Time Diff
+3h
Operated by Alaska Airlines Alaska Airlines Southwest Airlines Southwest Airlines

Route data last updated: May 28, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
HNL → ONT
Flight Time
5h 34m
Distance
2,602 mi
Southwest Airlines WN Southwest Airlines
Route
HNL → ONT
Flight Time
5h 34m
Distance
2,602 mi

Alternative Routes

Other ways to fly from Honolulu to Ontario with one stop · direct emits 398 kg CO₂ per passenger

HNL SMF (Sacramento) ONT
Leg 1: 5h 10m (2,461 mi) Leg 2: 1h 20m (389 mi) Total: ~6h 30m 🍃 513 kg CO₂ (+29% vs. direct)
Leg 1
HNL → SMF
5h 10m · 2,461 mi
View HNL to SMF flights →
Leg 2
SMF → ONT
1h 20m · 389 mi
View SMF to ONT flights →
HNL SJC (San Jose) ONT
Leg 1: 5h 15m (2,416 mi) Leg 2: 1h 15m (333 mi) Total: ~6h 30m 🍃 495 kg CO₂ (+24% vs. direct)
Leg 1
HNL → SJC
5h 15m · 2,416 mi
View HNL to SJC flights →
Leg 2
SJC → ONT
1h 15m · 333 mi
View SJC to ONT flights →
HNL OAK (Oakland) ONT
Leg 1: 5h 15m (2,408 mi) Leg 2: 1h 20m (361 mi) Total: ~6h 35m 🍃 499 kg CO₂ (+25% vs. direct)
Leg 1
HNL → OAK
5h 15m · 2,408 mi
View HNL to OAK flights →
Leg 2
OAK → ONT
1h 20m · 361 mi
View OAK to ONT flights →
HNL SFO (San Francisco) ONT
Leg 1: 5h 9m (2,397 mi) Leg 2: 1h 33m (364 mi) Total: ~6h 42m 🍃 497 kg CO₂ (+25% vs. direct)
Leg 1
HNL → SFO
5h 9m · 2,397 mi
View HNL to SFO flights →
Leg 2
SFO → ONT
1h 33m · 364 mi
View SFO to ONT flights →
HNL LAS (Las Vegas) ONT
Leg 1: 5h 44m (2,762 mi) Leg 2: 1h 5m (197 mi) Total: ~6h 49m 🍃 483 kg CO₂ (+21% vs. direct)
Leg 1
HNL → LAS
5h 44m · 2,762 mi
View HNL to LAS flights →
Leg 2
LAS → ONT
1h 5m · 197 mi
View LAS to ONT flights →

Frequently Asked Questions

How long is the direct flight from Honolulu to Ontario?

A nonstop flight from Honolulu (HNL) to Ontario (ONT) takes approximately 5 hours and 34 minutes. The distance is 2,602 miles (4,188 km).

Which airlines fly nonstop from Honolulu to Ontario?

2 airlines: Alaska Airlines, Southwest Airlines.

Is there a nonstop flight from Honolulu to Ontario?

Yes. 2 airlines: Alaska Airlines, Southwest Airlines.

How far is Honolulu from Ontario?

The flight distance from Honolulu to Ontario is 2,602 miles (4,188 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What type of aircraft flies from Honolulu to Ontario?

At 5h 34m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Honolulu to Ontario?

Roughly 398 kg CO2 per passenger one-way. That's about the same as driving 1,990 km.

Is the return flight from Ontario to Honolulu also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Honolulu to Ontario?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Honolulu International Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.