Cheap flights from Illinois to Ontario, CA

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Huronia Historical Park: this place was explored by a seventeenth century Jesuit French missionary and exhibits things that were used in those times.  Visitors can also take a guided tour of the British navy of 19 century as well as military outpost.   ... (read more in our Ontario Sightseeing)

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Chicago 

Check our newest flight offers to Ontario, CA:

  • $361United Airlines flight United Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)05/27/201702:00 pm
    Ontario, CA (ONT)Chicago, IL (ORD)06/02/201709:10 pm
    flighthub.com check price
  • $699Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)05/27/201708:00 am
    Ontario, CA (ONT)Chicago, IL (ORD)06/02/201711:00 am
    flyfar.ca check price
  • $699Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)05/27/201708:00 am
    Ontario, CA (ONT)Chicago, IL (ORD)06/02/201711:00 am
    flyfar.ca check price
  • $746Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)07/06/201705:15 am
    Ontario, CA (ONT)Chicago, IL (ORD)07/13/201710:58 am
    flyfar.ca check price
  • $820Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)07/06/201708:00 am
    Ontario, CA (ONT)Chicago, IL (ORD)07/13/201710:58 am
    flyfar.ca check price
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$487 Depart: 06/10/2017
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$1551 Depart: 06/27/2017
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$335 Depart: 06/20/2017
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$996 Depart: 07/03/2017
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$321 Depart: 06/01/2017
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$639 Depart: 07/10/2017
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$2882 Depart: 06/15/2017
Return: 06/24/2017

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