Cheap flights from Ontario to Honolulu

Cheapest current fares: $159 in August 2026, 4,183 km direct flight in ~4h 55m.

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Live fares · ONT → HNL

Cheapest month-by-month fares

Lowest available fare per calendar month from Ontario (ONT) to Honolulu (HNL). Refreshed daily.

Ontario (ONT) → Honolulu (HNL)

  1. August 2026 $159

Frequently asked questions

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

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Ontario (ONT) to Honolulu (HNL), with fares starting from $159.

  • What is the lowest current fare from ONT to HNL?

    The lowest currently-listed fare from Ontario (ONT) to Honolulu (HNL) is $159 on 2026-08-31.

  • How long is the flight from Ontario to Honolulu?

    Direct flights from ONT to HNL cover approximately 4,183 km (2,599 miles), with an estimated flight time of 4h 55m. Operating airlines: AS, WN.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: ONT → HNL Cheapest month to fly to Honolulu All flights from Ontario All flights to Honolulu Flights to USA Visa-free with USA passport AS routes WN routes