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Ontario, CA to Chicago flights

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Q
Why book with Opodo?
  • Cheap flights with over 660 airlines
  • Compare the best deals
  • Fly to Chicago for low prices
Flight Duration Flights between Ontario, CA and Chicago take, on average, 5 h and 4 m minutes, but the time can vary according to other factors
Cheapest flight Cheapest price for a one-way flight between Ontario, CA with Chicago found by our customers in the last 72 hours
Departing Airport The airport Ontario International is the departure airport operating flights between Ontario, CA and Chicago
Arriving Airport Flights departing Ontario, CA with Chicago as destination arrives at O'hare International Airport

Cheap last minute flights to Chicago

Latest deals and top flight routes from Ontario, CA airports.

Departure Fri, 01 Jul Return Sun, 03 Jul
ONT Ontario, CA
CHI Chicago
return from £335
Departure Thu, 21 Jul Return Tue, 26 Jul
ONT Ontario, CA
CHI Chicago
return from £261
Flight route information
Find out further information on Ontario, CA and Chicago to help you prepare for your trip.
Ontario, CA airports
  • ( Los Angeles Intl Airport (LAX)
    How far from city centre: 44 miles
  • ( Ontario International (ONT)
    How far from city centre: 2 miles
Chicago airports
  • ( O'hare International Airport (ORD)
    How far from city centre: 14 miles
  • ( Midway Airport (MDW)
    How far from city centre: 4 miles
  • ( Chicago Nas (NOH)
    How far from city centre: 22 miles
  • ( Dupage County (DPA)
    How far from city centre: 27 miles
  • ( Pal Waukee (PWK)
    How far from city centre: 22 miles
  • ( Greater Rockford (RFD)
    How far from city centre: 75 miles
K Distance: 1706 miles

Search for flights from Ontario, CA to Chicago

Find cheap flights from Ontario, CA to Chicago with the Opodo search engine. Whether it’s on business, for a relaxing holiday or to visit loved ones, you will find all the best deals on flights from Ontario, CA with Opodo, featuring cheap flights by all the top low cost and standard airlines. By simply entering your preferences in our speedy search engine, a large selection of options will be returned from which you just need to select the best deal that works for you. We’ll do the rest! Alternatively, if you are flexible on dates or an early bird, discover the cheapest day to fly from Ontario, CA to Chicago to ensure you get the best price. Find exclusive discounts by downloading the Opodo App and subscribing to our newsletter to stay in touch with the best offers on flights, hotels and more. Finally, don’t forget to book a hotel or car hire to complete your journey, all of which you will find on Opodo, your one-stop travel shop. Then just sit back and relax and enjoy your holidays!

Frequent asked questions about flights from Ontario, CA to Chicago

😷 Is it safe to travel from Ontario, CA to Chicago during the Covid-19 situation?
At Opodo we want to make sure that your travel plans are not affected by any cancelation as well as any possible restrictions United States may apply when travelling from Ontario, CA. Is your flight cancelled? We've got your back! With our flexible ticket guarantee you can decide if you want to book another flight - free of rebooking fee - or get a full refund!
🔍 How can I find cheap flights from Ontario, CA to Chicago at Opodo?
The cheapest price for a flight from Ontario, CA to Chicago is 261£. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
📉 When is the best time to book a flight from Ontario, CA to Chicago?
The most popular months to book a trip from Ontario, CA to Chicago are May, March and February, based on the searches of our customers.
📅 When is the best time to travel from Ontario, CA to Chicago?
The best time of the year to go to Chicago when flying from Ontario, CA depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, March is the top 1º month to fly to Chicago from Ontario, CA in terms of searches from our customer, followed by February and August. If you prefer to avoid high peaks of turism, however, and escape a crowded period, June, August and February are the months with less volume of searchs for the route Ontario, CA -  Chicago.
🕑 How long does the flight take to go from Ontario, CA to Chicago?
The total flight time between Ontario, CA and Chicago is of around 05:04 hours on average, considering an average distance of 3,276 km, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).
🛄 Which airports have flights between Ontario, CA and Chicago?
The main airport route flying between Ontario, CA and Chicago is: Ontario International (ONT) to O hare International Airport (ORD). This route is covered by the following airline(s):
  • United Airlines.
  • American Airlines.
Other popular routes

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