Cheap flights from Chicago to Ontario

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Travelers usually depart from O Hare International, Chicago Midway International, Chicago Rockford International, Chicago Union Station, or Chicago Downtown Greyhound Station when they travel from Chicago to Ontario. Book your trip to arrive at Ontario International, Montclair (Ontario), Ontario Bus Stop, or Ontario, CA station. The distance between Chicago and Ontario is 2742 km. The most popular airlines for this route are Southwest Airline, United Airlines, American Airlines, Frontier Airlines, and Delta Air Lines. Chicago and Ontario have 194 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights37313131-2836

Fly direct with

Southwest Airline on and Saturdays.

Check-in for a flight from Chicago to Ontario

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Southwest AirlineSWAWNNoUnknownNo
United AirlinesUALUAYesUnknownNo
American AirlinesAALAAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
Delta Air LinesDALDLYesUnknownNo

Frequently asked questions

How long does it take to travel from Chicago to Ontario?

A one-way nonstop (direct) flight between Chicago and Ontario takes around 4.3 hours.

What is the flight distance between Chicago and Ontario?

The flight distance between Chicago and Ontario is 2742 km.

What airlines offer nonstop (direct) flights between Chicago and Ontario?

Several carriers operate flights between Chicago and Ontario. Airlines offering nonstop (direct) flights include Southwest Airline.

What are the most popular routes to and from Chicago?

Travelers frequently search for route combinations, such as Chicago and Orlando International, Miami International, Los Angeles International, McCarran International, Fort Lauderdale–Hollywood International, Denver International, Hartsfield–Jackson Atlanta International, Tampa International, Phoenix Sky Harbor International, Dallas/Fort Worth International, George Bush Intercontinental.

What are the most popular routes to and from Ontario?

Travelers frequently search for route combinations, such as Ontario and Denver International, Tampa International, Phoenix Sky Harbor International, George Bush Intercontinental, Minneapolis–Saint Paul International, Sacramento International, Kansas City International, St. Louis Lambert International, San Jose International, Oakland International, Will Rogers World.

Which airports are there in Chicago?

Chicago is mainly served by Chicago Midway International. But there are other airports nearby, including Chicago Rockford International, O Hare International.

What airports are near Chicago?

The main airport in Chicago is Chicago Midway International. It is also served by Gerald R. Ford International, General Mitchell International, Dane County Regional, Fort Wayne International, South Bend International, General Wayne A. Downing Peoria International, Central Illinois Regional, Quad City International, Decatur, Kalamazoo/Battle Creek International.

What airports are near Ontario?

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Imperial County, Meadows Field, Cable.

What buses and trains depart from Chicago?

A number of bus and train companies depart from Chicago, including Greyhound.

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