Cheap flights from Kailua-Kona to Ontario

One-way fares from $256 · KOA → ONT · prices found by travellers in the last 48 hours

Cheapest fare
$256

American Airlines · Mon, Jan 11

Cheapest month
January

from $256

Direct flights
Not recently

Usually 1+ stop

Quickest trip
6h 34m

4,100 km

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Cheapest month to fly from Kailua-Kona to Ontario

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $295
  2. January 2027 Cheapest $256

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Where to stay, what to do and getting around, from our travel partners.

About flights from Kailua-Kona to Ontario

Kailua-Kona (KOA) and Ontario (ONT) are about 4,100 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 34m. Over the next few months, one-way fares start from $256, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Kailua-Kona to Ontario?

The cheapest one-way fare we've seen recently is $256 with American Airlines, departing Monday, January 11, 2027. Over the coming months, the lowest fare in each month ranges from $256 to $295.

What is the cheapest month to fly from Kailua-Kona to Ontario?

January 2027 currently has the lowest fares, from $256 one way.

Are there direct flights from Kailua-Kona to Ontario?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Kailua-Kona to Ontario?

The quickest journey we've seen takes about 6h 34m. Kailua-Kona and Ontario are around 4,100 km apart.

Which airlines fly from Kailua-Kona to Ontario?

Recent fares on this route were with Alaska Airlines and American Airlines.

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