Cheap Flights from O'Hare International Airport to Ontario (ONT) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2026/1
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2026/1
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

O'Hare－Ontario Airport
January Lowest Airfares
USD257

The airfare displayed above is for Delta Air Lines

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O'Hare－Ontario Airport
February Lowest Airfares
USD258

The airfare displayed above is for Delta Air Lines

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O'Hare－Ontario Airport
March Lowest Airfares
USD309

The airfare displayed above is for United Airlines

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O'Hare－Ontario Airport
April Lowest Airfares
USD543

The airfare displayed above is for United Airlines

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O'Hare－Ontario Airport
May Lowest Airfares -----

Chicago－Ontario
Estimated Flight Time
4 Hours 29 Minutes
Chicago－Ontario
Number of Operating Airlines
4

Operating Airlines for O'Hare－Ontario Airport Route
American Airlines

Alaska Airlines

Delta Air Lines

United Airlines

Other Destinations from:Chicago

O'Hare－Philadelphia(PHL)
USD140〜
O'Hare－Peoria(General Wayne A. Downing)
USD179〜
O'Hare－Pellston (Michigan)(Pellston Regional)
USD317〜
O'Hare－Pensacola(PNS)
USD297〜
O'Hare－Palm Springs(PSP)
USD254〜
* Fares vary in accordance to seat availability
Other Departures to: Ontario

Dallas/Fort Worth Airport－Ontario(ONT)
USD201〜
San Diego Airport－Ontario(ONT)
USD424〜
Hartsfield-Jackson Atlanta Airport－Ontario(ONT)
USD259〜
Dallas Love Field Airport－Ontario(ONT)
USD235〜
George Bush Intercontinental Airport－Ontario(ONT)
USD226〜
Chicago Midway Airport－Ontario(ONT)
USD255〜
Miami Airport－Ontario(ONT)
USD256〜
Salt Lake City Airport－Ontario(ONT)
USD187〜
* Fares vary in accordance to seat availability