Cheap flights from Ontario to Chicago

Travel > North America > United States > Ontario to Chicago flights

If you want to visit a vibrant, energetic city that's rich in heritage, culture, entertainment, and commerce, Chicago runs right up there with the big dogs. You could start by visiting downtown which is the center for government, finance, and commerce of Chicago and is encircled by The Loop, named for the elevated train tracks that loop around the central area. Tall skyscrapers such as the world's second-tallest building, the Sears Tower, and the Chicago Board of Trade are landmarks... (read more in our Chicago Travel Guide)

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Cheapest flights found for the next 6 months

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Kitchener 
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Check our newest flight offers to Chicago:

  • $204Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Chicago, IL (MDW)03/26/202410:08 pm
    Chicago, IL (MDW)Ontario, CA (ONT)04/07/202410:57 pm
    cheapoair.com check price
  • $254Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Chicago, IL (ORD)03/26/202403:56 pm
    Chicago, IL (ORD)Ontario, CA (ONT)04/07/202410:57 pm
    cheapoair.com check price
  • $296Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Chicago, IL (MDW)03/17/202409:41 pm
    Chicago, IL (MDW)Ontario, CA (ONT)03/25/202410:57 pm
    cheapoair.com check price
  • $320Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Chicago, IL (ORD)03/17/202403:56 pm
    Chicago, IL (ORD)Ontario, CA (ONT)03/25/202410:57 pm
    cheapoair.com check price
cheap domestic and international flights

Recently found cheap flight deals

Emirates AirlinesHouston To Karachi Emirates Airlines airfares from Houston in March
$1102 Depart: 03/05/2024
Return: 03/12/2024

provided by Cheapoair.com

Multiple AirlinesMontreal To Istanbul Multiple Airlines airfares from Montreal in December
$1458 Depart: 12/17/2023
Return: 12/28/2023

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Multiple AirlinesVictoria To Hamilton Multiple Airlines airfares from Victoria in May
$588 Depart: 05/06/2023
Return: 05/19/2023

provided by Cheapoair.com

Multiple AirlinesSan Francisco To Moscow Multiple Airlines airfares from San Francisco in February
$1790 Depart: 02/27/2024
Return: 03/12/2024

provided by Cheapoair.com

United AirlinesBoston To Monroe United Airlines airfares from Boston in August
$457 Depart: 08/14/2019
Return: 08/29/2019

provided by FlyFar

Qatar AirwaysKansas City To Delhi Qatar Airways airfares from Kansas City in March
$1324 Depart: 03/26/2024
Return: 04/09/2024

provided by Cheapoair.com

Multiple AirlinesDallas To Kozhikode Multiple Airlines airfares from Dallas in February
$2799 Depart: 02/01/2024
Return: 02/11/2024

provided by Cheapoair.com

Multiple AirlinesNew York City To Nashville Multiple Airlines airfares from New York City in April
$541 Depart: 04/02/2024
Return: 04/17/2024

provided by Cheapoair.com

Frontier AirlinesDetroit To Omaha Frontier Airlines airfares from Detroit in November
$248 Depart: 11/30/2023
Return: 12/13/2023

provided by Cheapoair.com

 

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