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 $208/RT are provided by Cheapoair.com. Outbound flight is leaving on 04/16/2023, 10:19 pm from Chicago Midway (MDW) airport and arrives at Ontario Int`l (ONT) at 07:47 am. The flight time is 9 hours and 28 minutes. The Returning flight departes on 04/21/2023, 08:38 am (other return dates are also available). Date posted: 08 Mar 2023
Price evolution for flights From Chicago To Ontario, CA

Recent Deals on Flights from Chicago to Ontario, CA:Roundtrip / Oneway
- $208
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 04/16/2023 10:19 pm Ontario, CA (ONT) Chicago, IL (MDW) 04/21/2023 08:38 am - $208
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 04/04/2023 10:17 pm Ontario, CA (ONT) Chicago, IL (MDW) 04/14/2023 12:17 pm - $209
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 04/04/2023 10:17 pm Ontario, CA (ONT) Chicago, IL (MDW) 04/14/2023 03:21 pm - $288
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (ORD) Ontario, CA (ONT) 04/16/2023 12:36 pm Ontario, CA (ONT) Chicago, IL (ORD) 04/21/2023 08:38 am - $309
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (ORD) Ontario, CA (ONT) 04/14/2023 01:17 pm Ontario, CA (ONT) Chicago, IL (ORD) 04/20/2023 10:44 pm - $104
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Ontario, CA (ONT) 04/22/2023 08:08 pm - $324
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (ORD) Ontario, CA (ONT) 04/26/2023 01:10 pm - $378
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (ORD) Ontario, CA (ONT) 03/25/2023 07:15 pm - $619
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (ORD) Ontario, CA (ONT) 03/25/2023 12:47 pm
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