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 $441 / RT details

Book your flight now with FlyFar and save!

Cheap Ontario airfares from $441/RT are provided by FlyFar. Outbound flight is leaving on 12/20/2019, 09:10 am from Chicago O`hare (ORD) airport and arrives at Ontario Int`l (ONT) at 06:33 pm. The flight time is 9 hours and 23 minutes. The Returning flight departes on 01/05/2020, 01:31 pm (other return dates are also available). Date posted: 21 Oct 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

  • $441Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/20/201909:10 am
    Ontario, CA (ONT)Chicago, IL (ORD)01/05/202001:31 pm
    flyfar.ca check price
  • $441Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/20/201909:10 am
    Ontario, CA (ONT)Chicago, IL (ORD)01/05/202001:31 pm
    flightnetwork.com check price
  • $497Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/20/201909:10 am
    Ontario, CA (ONT)Chicago, IL (ORD)01/05/202002:50 pm
    cheapoair.com check price
  • $544Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/20/201909:10 am
    Ontario, CA (ONT)Chicago, IL (ORD)01/05/202011:59 pm
    cheapoair.com check price
  • $588Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/20/201909:10 am
    Ontario, CA (ONT)Chicago, IL (ORD)01/05/202008:36 pm
    flyfar.ca check price
  • $268Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/23/201906:40 am
    cheapoair.com check price
  • $271Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/23/201906:40 am
    flyfar.ca check price
  • $271Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/23/201906:40 am
    flightnetwork.com check price
  • $389Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/23/201905:40 pm
    flightnetwork.com check price
  • $389Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Ontario, CA (ONT)12/23/201905:40 pm
    flyfar.ca 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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