Cheap flights from Colorado to Ontario, CA

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Many streets are named after the agricultural sources which were the early means to create economy in the Ontario region such as Sunkist plant shows the legacy of citrus era. Charles Frankish developed passenger trolley driven by mule in 1887 which used to travel between 24th Street and Euclid Avenue. The mule cart used to run up to the downtown of the Ontario region and today it is commemorated via a statue in the C Street near to the Euclid Avenue median. Ontario got the status of a city in... (read more in our Ontario History)

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Denver 

Check our newest flight offers to Ontario, CA:

  • $158United Airlines flight United Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)03/24/201502:44 pm
    Ontario, CA (ONT)Denver, CO (DEN)03/31/201502:30 pm
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  • $163Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)03/24/201510:05 pm
    Ontario, CA (ONT)Denver, CO (DEN)03/31/201507:00 pm
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  • $168Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)03/24/201510:05 pm
    Ontario, CA (ONT)Denver, CO (DEN)03/31/201506:25 am
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  • $177US Airways flight US Airways 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)03/24/201512:20 pm
    Ontario, CA (ONT)Denver, CO (DEN)03/31/201510:00 am
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  • $178US Airways flight US Airways 
    FromToDepartureTime
    Denver, CO (DEN)Ontario, CA (ONT)05/02/201506:00 am
    Ontario, CA (ONT)Denver, CO (DEN)05/09/201507:30 pm
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