Cheap flights from Chicago to Ontario, CA
Travel > North America > United States > Chicago to Ontario, CA flights
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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Cheap Ontario airfares from $158/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/07/2025, 12:43 pm from Chicago Midway (MDW) airport and arrives at Ontario Int`l (ONT) at 07:11 am. The flight time is 18 hours and 28 minutes. The Returning flight departes on 02/15/2025, 12:59 am (other return dates are also available). Date posted: 17 Nov 2024
Price evolution for flights From Chicago To Ontario, CA
Recent Deals on Flights from Chicago to Ontario, CA:Roundtrip / Oneway
- $158
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 02/07/2025 12:43 pm Ontario, CA (ONT) Chicago, IL (MDW) 02/15/2025 12:59 am - $188 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 01/05/2025 08:41 pm Ontario, CA (ONT) Chicago, IL (MDW) 01/19/2025 08:01 am - $233
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 02/07/2025 12:43 pm Ontario, CA (ONT) Chicago, IL (MDW) 02/15/2025 07:10 am - $318 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 01/06/2025 10:04 pm Ontario, CA (ONT) Chicago, IL (MDW) 01/19/2025 08:11 pm - $79 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 01/19/2025 12:43 pm
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