The cheapest times to fly from HIJ to ONT are

  • February 5th to June 3rd (except the weeks of March 19th, March 26th, and April 30th)
  • June 25th to August 5th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from HIJ to ONT is early August. Prices can be as high as $2349 for Saturday flights during early to mid December, or as low as $1002 for Tuesday flights around early August.


When to Fly to Ontario

Flying from Hiroshima (HIJ) to Ontario, CA (ONT) will usually cost between $1002 to $1593 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early August with an average ticket price of $1002. Due to high demand the most expensive time to fly is early to mid December, with an average price of $1723. Planning your trip to low-cost times can easily save you $721 on economy flights and even more on first-class flights. Generally, any price below $1067 can be considered a good price for a round-trip HIJ to ONT flight.

See below for a graph of average weekly prices for the HIJ to ONT route. All prices are for round-trip tickets in USD.

HIJ to ONT Flight Prices

Compared to other flights, the HIJ to ONT flight is priced close to the average and costs less than the average flight leaving from Hiroshima. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $108 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1112. Return trip prices are from the ONT to HIJ flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from HIJ to ONT can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 32 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from HIJ to ONT? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, Alaska, American, ANA, China Airlines, JAL, United, and potentially more during busy seasons.

How far away is it from Ontario International Airport to Hiroshima Airport?

The distance between the two airports is roughly 5865 miles or 9439 kilometers.

How long does it take to fly from HIJ to ONT?

The real-world flight time for a nonstop HIJ to ONT flight is about 11 hour 32 minutes.

How many flights go between Hiroshima and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from HIJ to ONT.


Airport Location Info


Departing Airport

Origination code HIJ
Origination airport name Hiroshima Airport
City Hiroshima
Country Japan
Latitude 34.4
Longitude 132.9

Return Airport

Destination code ONT
Destination airport name Ontario International Airport
City Ontario, CA
Country the United States
Latitude 34.1
Longitude -117.6


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.