Cheap flights from Chicago to Ontario, CA

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Travel tip: Visit Ontario on your holidays!

Check our current prices for flights from Chicago to Ontario, CA. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Chicago to Ontario, CA, you will need to run a search below.

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From $206 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $206/RT are provided by Cheapoair.com. Outbound flight is leaving on 10/24/2018, 06:10 pm from Chicago O`hare (ORD) airport and arrives at Ontario Int`l (ONT) at 11:28 pm. The flight time is 5 hours and 18 minutes. The Returning flight departes on 11/06/2018, 06:00 am (other return dates are also available). Date posted: 26 Jun 2018

Price evolution for flights From Chicago To Ontario, CA

Price overview for flights from Chicago to Ontario, CA

Recent Deals on Flights from Chicago to Ontario, CA:Roundtrip / Oneway

  • $206Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)10/24/201806:10 pm
    Ontario, CA (ONT)Chicago, IL (ORD)11/06/201806:00 am
    cheapoair.com check price
  • $248Major Airline flight Major Airline 
    FromToDepartureTime
    Chicago, IL (MDW)Ontario, CA (ONT)09/12/201807:15 pm
    Ontario, CA (ONT)Chicago, IL (MDW)09/18/201803:00 pm
    flyfar.ca check price
  • $256Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)09/12/201805:55 pm
    Ontario, CA (ONT)Chicago, IL (ORD)09/18/201805:30 am
    cheapoair.com check price
  • $256Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Chicago, IL (MDW)Ontario, CA (ONT)09/12/201807:15 pm
    Ontario, CA (ONT)Chicago, IL (MDW)09/18/201803:00 pm
    flightnetwork.com check price
  • $271Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (MDW)Ontario, CA (ONT)10/24/201807:10 pm
    Ontario, CA (ONT)Chicago, IL (MDW)11/06/201806:00 am
    flyfar.ca check price
  • $170Major Airline flight Major Airline 
    FromToDepartureTime
    Chicago, IL (MDW)Ontario, CA (ONT)08/03/201806:05 am
    flyfar.ca check price
  • $175Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Chicago, IL (MDW)Ontario, CA (ONT)08/03/201806:05 am
    flightnetwork.com check price
  • $243Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)08/03/201806:15 am
    flightnetwork.com check price
  • $248Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)08/03/201806:15 am
    flyfar.ca check price
  • $271Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)08/03/201805:40 pm
    cheapoair.com check price
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Specify your search details. Browse the cheapest flights from Chicago to Ontario, CA, Ontario, CA hotel rooms and Chicago to Ontario, CA vacation packages from the most popular providers, airline consolidators and travel search engines.

Know what to do when flying to Ontario, CA?

Ontario History   Ontario City is situated in the San Bernardino County (California) which is in United States. According to 2000 census, recorded population in Ontario was 170,373. The lands of Ontario were earlier used for foraging and hunting by the Tongva [...]
Ontario Sightseeing   Ontario - a magical city  Ontario has something in store for all the vacationers that can give them a mesmerizing experience. Historically well known as “Sportsman’s paradise”, Ontario has ultra modern amenities for various [...]
Ontario Nightlife Ontario has been noted for its unmatchable nightlife throughout the world. When the sun sets, the city starts radiating with an overweening vigor. All the travelers who have a taste for nightlife swear that Ontario is a city where life starts [...]

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