Cheap Flights from Chicago to Ontario
Cheap Chicago-Ontario Flight Tickets
These prices are the lowest available for the specified locations on the Obilet website. Prices may vary depending on the selected date, location, and availability of the flight.
Cheapest Travel on Obilet
:
€ 249.78
The Most Favorable Price
:
United AirlinesThe Most Active Airline
:
American AirlinesAverage Number of Trips Per Day
:
18Shortest Flight Time
:
4hr 33minDistance
:
2755 KMCheap Flight Tickets from Chicago to Ontario
United Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
20:18
Ontario
Ontario Airport
22:51
Delta Air Lines
17 July 2026 - Friday
Chicago
Chicago Ohare Airport
19:40
Ontario
Ontario Airport
23:48
United Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
06:00
Ontario
Ontario Airport
12:47
United Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
06:10
Ontario
Ontario Airport
12:12
Alaska Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
06:00
Ontario
Ontario Airport
13:09
United Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
07:05
Ontario
Ontario Airport
12:47
United Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
08:40
Ontario
Ontario Airport
12:47
United Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
14:15
Ontario
Ontario Airport
21:55
United Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
14:30
Ontario
Ontario Airport
22:37
United Airlines
15 July 2026 - Wednesday
Chicago
Chicago Ohare Airport
14:33
Ontario
Ontario Airport
20:42
The prices shown are starting ticket prices. Prices may vary depending on the selected date, location, and trip availability.
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Estimated Cheapest Chicago - Ontario Flight Tickets by Month
Airlines Operating Flights from Chicago to Ontario
Popular Chicago to Ontario Flights
Chicago and Ontario Airports
Alternative Flights Between Chicago - Ontario
Popular Ontario Hotels
You can choose among various hotel options in Ontario to suit different styles and budgets for a comfortable and enjoyable stay. From boutique hotels in historical areas to modern business hotels, there is a wide range. Choose the most suitable accommodation for your trip and enjoy a relaxing experience.
Frequently Asked Questions
How long does flight take from Chicago - Ontario?
On average, the trip from Chicago - Ontario takes 4 hour 33 minute.
Which airlines organize flights between Chicago - Ontario?
Airline companies that organize flights between Chicago - Ontario: Delta Air Lines, United Airlines, American Airlines, Alaska Airlines
Which airline company organizes the most flights between Chicago - Ontario?
The company that organizes the most flights between Chicago - Ontario: American Airlines
How much is the cheap flight ticket between Chicago - Ontario?
Cheap flight ticket between Chicago - Ontario is € 249.78.
Which airports can I use for Chicago - Ontario flight?
Chicago Midway Airport, Waukegan Rgnl Airport, Chicago Ohare Airport, Meigs Field Airport can be used as the departure airport on the Chicago - Ontario flight, and Ontario Airport can also be used as the arrival airport.
