Cheap flights from Ontario to Honolulu, United States (ONT - HNL)

Flying from Ontario to Honolulu can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Ontario - Honolulu (ONT - HNL). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Honolulu to Ontario.

Airfares found by our users in the past 24 hours

The cheapest flight from Ontario to Honolulu is C$307 on Alaska Airlines, departing on 02/09/2026 - 19:13 and returning on 02/15/2026 - 10:40.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Ontario to Honolulu by months

MonthRound-Trip
January 202630.01 - 10.02from C$321
February 202609.02 - 15.02from C$307
March 202602.03 - 10.03from C$320
April 202624.04 - 27.04from C$342
May 202605.05 - 07.05from C$336
June 202610.06 - 24.06from C$476
July 202628.07 - 13.08from C$484
August 202603.08 - 14.08from C$473
September 202601.09 - 14.09from C$484
October 2026find now
November 2026find now
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

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