Cheap flights from Ontario, CA to Chicago
Travel > North America > United States > Ontario, CA to Chicago flights
Travel tip: It is a great place for Sushi with average prices, so if you like Japanese food, here is a great possibility. You have to make sure you reserved a table before you would dare go there, otherwise you would have to wait a lot, there are a lot of people, which is actually a sign of good cuisine.Check our current prices for flights from Ontario, CA to Chicago. 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 Ontario, CA to Chicago, you will need to run a search below.
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Book your flight now with Cheapoair.com and save!
Cheap Chicago airfares from $119/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/27/2025, 09:35 pm from Ontario Int`l (ONT) airport and arrives at Chicago Midway (MDW) at 05:31 am. The flight time is 7 hours and 56 minutes. The Returning flight departes on 03/13/2025, 06:40 am (other return dates are also available). Date posted: 31 Dec 2024
Price evolution for flights From Ontario, CA To Chicago
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Recent Deals on Flights from Ontario, CA to Chicago:Roundtrip / Oneway
- $119
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (MDW) 02/27/2025 09:35 pm Chicago, IL (MDW) Ontario, CA (ONT) 03/13/2025 06:40 am - $140
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 05/08/2025 10:52 am Chicago, IL (ORD) Ontario, CA (ONT) 05/09/2025 08:14 pm - $184
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (MDW) 03/07/2025 09:35 pm Chicago, IL (MDW) Ontario, CA (ONT) 03/14/2025 08:44 pm - $196
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 05/08/2025 06:35 pm Chicago, IL (ORD) Ontario, CA (ONT) 05/09/2025 06:18 pm - $66
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (MDW) 03/05/2025 12:59 am - $66
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 02/26/2025 12:59 am - $80
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 03/20/2025 04:39 pm
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