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Chicago to Ontario, CA flights

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Why book with Opodo?
  • Cheap flights with over 660 airlines
  • Compare the best deals
  • Fly to Ontario, CA for low prices
Flight DurationFlights between Chicago and Ontario, CA take, on average, 5 h and 12 m minutes, but the time can vary according to other factors
Cheapest flightCheapest price for a one-way flight between Chicago with Ontario, CA found by our customers in the last 72 hours
High seasonAccording to search data from our customers, July is the busiest time to fly from Chicago to Ontario, CA
Best time to bookAccording to real data January is the most popular time to book a flight to Ontario, CA when departing from Chicago

Cheap last minute flights to Ontario, CA

Latest deals and top flight routes from Chicago airports.

Departure Fri, 05 Nov Return Sun, 07 Nov
CHI Chicago
ONT Ontario, CA
return from £59
Departure Wed, 10 Nov Return Mon, 15 Nov
CHI Chicago
ONT Ontario, CA
return from £58
Flight route information
Find out further information on Chicago and Ontario, CA to help you prepare for your trip.
Chicago airports
  • ( O'hare International Airport (ORD)
    How far from city centre: 14 miles
  • ( Pal Waukee (PWK)
    How far from city centre: 22 miles
  • ( Midway Airport (MDW)
    How far from city centre: 4 miles
  • ( Dupage County (DPA)
    How far from city centre: 27 miles
  • ( Chicago Nas (NOH)
    How far from city centre: 22 miles
  • ( Merrill C Meigs (CGX)
    How far from city centre: 7 miles
Ontario, CA airports
  • ( Ontario International (ONT)
    How far from city centre: 2 miles
  • ( Los Angeles Intl Airport (LAX)
    How far from city centre: 44 miles
K Distance: 1706 miles

Search for flights from Chicago to Ontario, CA

Find cheap flights from Chicago to Ontario, CA 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 Chicago 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 Chicago to Ontario, CA 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 Chicago to Ontario, CA

😷 Is it safe to travel from Chicago to Ontario, CA 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 Chicago. 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 Chicago to Ontario, CA at Opodo?
The cheapest price for a flight from Chicago to Ontario, CA is 58£. 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 Chicago to Ontario, CA?
The most popular months to book a trip from Chicago to Ontario, CA are January, April and November, based on the searches of our customers.
📅 When is the best time to travel from Chicago to Ontario, CA?
The best time of the year to go to Ontario, CA when flying from Chicago depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, July is the top 1º month to fly to Ontario, CA from Chicago in terms of searches from our customer, followed by February and December. If you prefer to avoid high peaks of turism, however, and escape a crowded period, November, December and February are the months with less volume of searchs for the route Chicago -  Ontario, CA.
🕑 How long does the flight take to go from Chicago to Ontario, CA?
The total flight time between Chicago and Ontario, CA is of around 05:12 hours on average, considering an average distance of 2,973 km, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).
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Flüge von Chicago nach Ontario, CA
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