Cheap flights from Colorado to Ontario, CA

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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 Indians. The remains of the Serrano village in the neighboring foothills of modern city of Claremont show that Serrano Indians used the terrain areas of Serrano. The middle school and city park in Serrano bears the name of an explorer Juan Bautista de... (read more in our Ontario History)

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Denver 

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Check our newest flight offers to Ontario, CA:

  • $351US Airways flight US Airways 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)10/01/201406:30 pm
    Ontario, CA (ONT)Denver, CO (DEN)10/08/201406:30 am
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  • $358US Airways flight US Airways 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)09/09/201405:55 am
    Ontario, CA (ONT)Denver, CO (DEN)09/23/201410:00 am
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  • $409US Airways flight US Airways 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)12/20/201405:45 am
    Ontario, CA (ONT)Denver, CO (DEN)12/27/201407:30 pm
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  • $431Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)12/20/201405:45 am
    Ontario, CA (ONT)Denver, CO (DEN)12/27/201407:30 pm
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  • $443United Airlines flight United Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)12/20/201406:50 pm
    Ontario, CA (ONT)Denver, CO (DEN)12/27/201406:00 am
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