Cheap Flights from Ontario International Airport to Chicago (ORD) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/10
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5427	6259	7259	8321	9Search	10332	11255
12Search	13317	14259	15Search	16Search	17399	18Search
19302	20Search	21Search	22Search	23Search	24261	25Search
26321	27Search	28247	29Search	30Search	31Search

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2025/10
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Total Fares（Round-Trip/Economy）: USD /Per Person

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

Ontario－O'Hare Airport
October Lowest Airfares
USD247

The airfare displayed above is for Delta Air Lines

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Ontario－O'Hare Airport
November Lowest Airfares
USD256

The airfare displayed above is for Delta Air Lines

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Ontario－O'Hare Airport
December Lowest Airfares
USD264

The airfare displayed above is for Delta Air Lines

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Ontario－O'Hare Airport
January Lowest Airfares
USD315

The airfare displayed above is for United Airlines

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Ontario－O'Hare Airport
February Lowest Airfares
USD315

The airfare displayed above is for United Airlines

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Ontario－Chicago
Estimated Flight Time
4 Hours 53 Minutes
Ontario－Chicago
Number of Operating Airlines
4

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

American Airlines

Alaska Airlines

Delta Air Lines

Other Destinations from:Ontario

Ontario－Chicago(Midway)
USD207〜
Ontario－Dallas(Love Field)
USD236〜
Ontario－Dallas(/Fort Worth)
USD236〜
Ontario－San Diego(SAN)
USD426〜
Ontario－Atlanta(Hartsfield-Jackson)
USD140〜
Ontario－Houston(George Bush Intercontinental)
USD194〜
Ontario－Salt Lake City(SLC)
USD209〜
Ontario－Miami(MIA)
USD256〜
* Fares vary in accordance to seat availability
Other Departures to: Chicago

Philadelphia Airport－Chicago(O'Hare)
USD159〜
General Wayne A. Downing Peoria Airport－Chicago(O'Hare)
USD245〜
Pensacola Airport－Chicago(O'Hare)
USD197〜
* Fares vary in accordance to seat availability