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 $259 / RT details

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Cheap Ontario airfares from $259/RT are provided by Flightnetwork. Outbound flight is leaving on 10/23/2019, 08:00 am from Chicago O`hare (ORD) airport and arrives at Ontario Int`l (ONT) at 04:25 pm. The flight time is 8 hours and 25 minutes. The Returning flight departes on 11/06/2019, 12:15 pm (other return dates are also available). Date posted: 09 Jun 2019

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

  • $259Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)10/23/201908:00 am
    Ontario, CA (ONT)Chicago, IL (ORD)11/06/201912:15 pm
    flightnetwork.com check price
  • $259Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)10/23/201908:00 am
    Ontario, CA (ONT)Chicago, IL (ORD)11/06/201912:15 pm
    flyfar.ca check price
  • $270United Airlines flight United Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)10/23/201906:51 am
    Ontario, CA (ONT)Chicago, IL (ORD)11/06/201911:59 pm
    flightnetwork.com check price
  • $270United Airlines flight United Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)10/23/201906:51 am
    Ontario, CA (ONT)Chicago, IL (ORD)11/06/201911:59 pm
    flyfar.ca check price
  • $284United Airlines flight United Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)09/03/201906:45 am
    Ontario, CA (ONT)Chicago, IL (ORD)09/07/201902:29 pm
    flightnetwork.com check price
  • $114Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)09/09/201908:00 am
    flyfar.ca check price
  • $114Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)09/09/201908:00 am
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  • $132Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)09/27/201908:00 am
    flyfar.ca check price
  • $132Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)09/27/201908:00 am
    flightnetwork.com check price
  • $158Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)08/31/201905:20 pm
    cheapoair.com check price
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Know what to do when flying to Ontario, CA?

Ontario Travel Guide A city in the San Bernardino County in California, Ontario offers wonderful living conditions for its residents. Over the years its reputation as a significant tourist attraction has also grown considerably. The city got the name of Ontario [...]
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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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