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 $233 / RT details

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Cheap Ontario airfares from $233/RT are provided by Flightnetwork. Outbound flight is leaving on 02/08/2019, 08:40 am from Chicago O`hare (ORD) airport and arrives at Ontario Int`l (ONT) at 10:43 pm. The flight time is 14 hours and 3 minutes. The Returning flight departes on 02/11/2019, 08:36 am (other return dates are also available). Date posted: 29 Dec 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

  • $233Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)02/08/201908:40 am
    Ontario, CA (ONT)Chicago, IL (ORD)02/11/201908:36 am
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  • $235Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)02/08/201908:40 am
    Ontario, CA (ONT)Chicago, IL (ORD)02/11/201908:36 am
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  • $326United Airlines flight United Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)01/21/201903:39 pm
    Ontario, CA (ONT)Chicago, IL (ORD)01/26/201902:25 pm
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  • $330United Airlines flight United Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)01/21/201903:39 pm
    Ontario, CA (ONT)Chicago, IL (ORD)01/26/201902:25 pm
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  • $334Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)02/08/201908:40 am
    Ontario, CA (ONT)Chicago, IL (ORD)02/11/201904:30 pm
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  • $124Major Airline flight Major Airline 
    FromToDepartureTime
    Chicago, IL (MDW)Ontario, CA (ONT)02/06/201907:15 pm
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  • $128Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Chicago, IL (MDW)Ontario, CA (ONT)02/06/201907:15 pm
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  • $130Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)02/06/201908:45 am
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  • $134Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)02/06/201908:45 am
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  • $137United Airlines flight United Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)02/06/201903:00 pm
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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 [...]
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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