ord-to-ont

 

The cheapest times to fly from ORD to ONT are

  • January 1st to February 25th
  • April 23rd to May 6th
  • August 13th to November 18th
  • December 3rd to February 25th (except the weeks of December 10th, December 17th, and December 24th)

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 ORD to ONT is early December. Prices can be as high as $966 for Sunday flights during mid March, or as low as $244 for Tuesday flights around early December.

 

When to Fly to Ontario

Flying from Chicago, IL (ORD) to Ontario, CA (ONT) will usually cost between $254 to $581 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $258. Due to high demand the most expensive time to fly is mid March, with an average price of $653. Planning your trip to low-cost times can easily save you $395 on economy flights and even more on first-class flights. Generally, any price below $315 can be considered a good price for a round-trip ORD to ONT flight.

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

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ORD to ONT Flight Prices

Compared to other flights, the ORD to ONT flight is much cheaper than the average and costs much less than the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.12, 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. Sundays 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 $125 (30%) 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 $286. Return trip prices are from the ONT to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from ORD to ONT can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 4 hour 2 minutes may be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from ORD to ONT while comparing.

Destination alternative #1: Los Angeles International Airport (LAX) in Los Angeles, CA

  • 47 miles (76 km) away from ONT
  • Usually 29.84% less expensive than ONT
  • Nonstop flights available

See ORD to LAX flights

Destination alternative #2: San Diego International Airport (SAN) in San Diego, CA

  • 94 miles (151 km) away from ONT
  • Usually 1.11% less expensive than ONT
  • Nonstop flights available

See ORD to SAN flights

 

Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, JetBlue, United, and potentially more during busy seasons.

How far away is it from Ontario International Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 1696 miles or 2729 kilometers.

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

The real-world flight time for a nonstop ORD to ONT flight is about 4 hour 2 minutes.

How many flights go between Chicago, IL and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 105 available flights from ORD to ONT.

 

Airport Location Info

 

Departing Airport

Origination codeORD
Origination airport nameChicago O’Hare International Airport
CityChicago, IL
Countrythe United States
Latitude42
Longitude-87.9

Return Airport

Destination codeONT
Destination airport nameOntario International Airport
CityOntario, CA
Countrythe United States
Latitude34.1
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.