Cheap flights from Hawaii to Los Angeles from $145

In general, February is the cheapest month to fly from Hawaii to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $379. If you aren’t able to travel during the month of February, then book flights to Ontario from Hawaii during January instead. Flights to Ontario in January, while not as cheap as those in February, still average around $406.

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $436. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Hawaii to Ontario for around $550.

At noon is the cheapest time of day to fly from Hawaii to Ontario when you can find flight prices for as low as $440. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $574 on average. Flights to Ontario from Hawaii in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Honolulu to Ontario for the best Hawaii - Ontario flight prices

There are 2 cabin classes available to choose from on Hawaii to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 25% on your flight if you consider stops on a Hawaii to Ontario flight.

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Hawaii to Ontario

United Airlines, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Ontario from Hawaii according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

As of July 2026, 2 flights take off from Hawaii and land in Ontario each day. The most common flight departure time for this route is 1:00PM, with 100% of daily flights taking off in the afternoon.

As of July 2026, 16 flights take off from Hawaii and land in Ontario each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.