Cheap flights from Ontario to Honolulu

One-way fares from $211 · ONT → HNL · prices found by travellers in the last 48 hours

Cheapest fare
$211

Alaska Airlines · Tue, Dec 1

Cheapest month
December

from $211

Direct flights
Yes

Alaska Airlines and Southwest Airlines

Flight time
5h 45m

4,170 km

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Cheapest month to fly from Ontario to Honolulu

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

  1. November 2026 $263
  2. December 2026 Cheapest $211
  3. January 2027 $220
  4. February 2027 $211
  5. March 2027 $235
  6. April 2027 $259
  7. May 2027 $247
  8. July 2027 $270

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About flights from Ontario to Honolulu

Ontario (ONT) and Honolulu (HNL) are about 4,170 km apart. Direct flights take around 5h 45m, and recent direct fares were with Alaska Airlines and Southwest Airlines. Over the next few months, one-way fares start from $211, and December 2026 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 Ontario to Honolulu?

The cheapest one-way fare we've seen recently is $211 with Alaska Airlines, departing Tuesday, December 1, 2026. Over the coming months, the lowest fare in each month ranges from $211 to $270.

What is the cheapest month to fly from Ontario to Honolulu?

December 2026 currently has the lowest fares, from $211 one way.

Are there direct flights from Ontario to Honolulu?

Yes. Recent direct fares were with Alaska Airlines and Southwest Airlines.

How long is the flight from Ontario to Honolulu?

A direct flight takes about 5h 45m. Ontario and Honolulu are around 4,170 km apart.

Which airlines fly from Ontario to Honolulu?

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

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