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 $256 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $256/RT are provided by Cheapoair.com. Outbound flight is leaving on 06/04/2021, 07:15 am from Chicago O`hare (ORD) airport and arrives at Ontario Int`l (ONT) at 06:19 pm. The flight time is 11 hours and 4 minutes. The Returning flight departes on 06/17/2021, 07:00 pm (other return dates are also available). Date posted: 27 Apr 2021

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

  • $256Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)06/04/202107:15 am
    Ontario, CA (ONT)Chicago, IL (ORD)06/17/202107:00 pm
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  • $263Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)06/09/202108:29 pm
    Ontario, CA (ONT)Chicago, IL (ORD)06/22/202106:00 am
    cheapoair.com check price
  • $281Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)06/04/202107:15 am
    Ontario, CA (ONT)Chicago, IL (ORD)06/17/202112:14 am
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  • $283Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)05/16/202105:50 pm
    Ontario, CA (ONT)Chicago, IL (ORD)05/30/202111:25 pm
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  • $296Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)05/16/202105:50 pm
    Ontario, CA (ONT)Chicago, IL (ORD)05/30/202102:45 pm
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  • $169Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)06/02/202107:15 am
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  • $189Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)07/14/202108:29 pm
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  • $195Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)05/30/202107:15 am
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  • $199Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)06/02/202108:30 am
    cheapoair.com check price
  • $199Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)05/30/202107:25 am
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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 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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