Search Flights from Ontario to Chicago

Quick Flight Summary from Ontario to Chicago

Key numbers to know before you book

  • Lowest recent price
    $130
  • Direct flight duration 7 hour 7 min
  • Arrival airports RFD / GYY / CGX / MDW / ORD
  • Best days to book Saturday, Friday
  • Average over the last 30 days
    $210

Cheapest flights from Ontario to Chicago

Best Price

Delta Air Lines

Delta Air Lines
31 Oct, Sat
Ontario – Chicago
9h 41m
1 stop
ONTORD

Frontier Airlines

Frontier Airlines
30 Oct, Fri
Ontario – Chicago
13h 22m
1 stop
ONTMDW

Frontier Airlines

Frontier Airlines
1 Nov, Sun
Ontario – Chicago
13h 22m
1 stop
ONTMDW

Frontier Airlines

Frontier Airlines
19 Sep, Sat
Ontario – Chicago
17h 34m
1 stop
ONTORD

Frontier Airlines

Frontier Airlines
20 Sep, Sun
Ontario – Chicago
16h 8m
1 stop
ONTORD
Shortest Flight

Delta Air Lines

Delta Air Lines
24 Oct, Sat
Ontario – Chicago
6h 30m
1 stop
ONTORD

Alaska Airlines

Alaska Airlines
16 Oct, Fri
Ontario – Chicago
10h 46m
1 stop
ONTORD

Delta Air Lines

Delta Air Lines
27 Sep, Sun
Ontario – Chicago
10h 3m
1 stop
ONTORD

Frontier Airlines

Frontier Airlines
26 Sep, Sat
Ontario – Chicago
16h 8m
1 stop
ONTORD

Last update: 16 September 2026 17:51

Estimated Prices for Ontario to Chicago Flights

Cheapest Day19 September Saturday
Best Price
$128
Average Price
$209
$517
$128
$143
17Thu
Sep
$148
18Fri
$128
19Sat
$128
20Sun
$238
21Mon
$148
22Tue
$378
23Wed
$378
24Thu
$148
25Fri
$148
26Sat
$318
27Sun
$143
28Mon
$148
29Tue
$143
30Wed
$186
01Thu
Oct
$148
02Fri
$148
03Sat
$517
04Sun
$148
05Mon
$148
06Tue
$308
07Wed
$299
08Thu
$220
09Fri
$143
10Sat
$157
11Sun
$250
12Mon
$209
13Tue
$209
14Wed
$299
15Thu
$148
16Fri

Key Features of the Airlines

Information compiled by AI. For the most up-to-date information, contact the airline.

Transportation to Chicago City Center from Airport

Chicago Rockford Intl. Airport

Chicago Rockford International Airport is located in Winnebago County, 137 km northwest of Chicago. The airport serves Chicago as well as Rockford and the surrounding areas. The airport is served by three low-cost airlines, Allegiant Air, Apple Vacations, and Elite Airways. You can get to the city center from the airport by taxi, bus, and rental car.

Taxi

Taxis are the most convenient transportation alternative to get to the city center from Chicago Rockford International Airport. Taxis fares are calculated based on the kilometers traveled. Taxi companies that you can choose from include Action Taxi, Speedee Taxi and Jack’s Transportation Taxi.

Bus

Another method of transportation to get to the city center from Chicago Rockford International Airport is by bus. Buses are a more affordable option compared to taxis. The Rockford Mass Transit District buses provide transportation to the city center. Buses operate every day except for Sundays and they are accessible next to the terminal building.

Rental Car

Renting a car is one of the most comfortable ways to get to the city center from the airport. There are various rental car offices located at the airport. Rental car companies that you can choose from include Avis, Hertz, National, Alamo and Enterprise. If you are traveling between multiple places make sure to specify your vehicle pick up and drop off location when making a reservation.

Limousine

There are limousine services that provide door-to-door transportation from the airport to the city center, and vice versa. You have to book this service in advance. Limousine companies that you can choose from include Fantasy, D&E, A Touch, AAA Quality, Black Cadillac, Chicago Limo, Classic Limousine, Park Avenue, Party Transit, Stretch and Y Drive.


Gary International Airport

Gary/Chicago International Airport is located in Lake County, Indiana, 40 km from Chicago’s city center. Currently the airport only operates charter air service and cargo services however commercial service should be available in the future. You can get to the city center from the airport by train, bus, taxi, rental car, and personal car.

Taxi

The fastest and most comfortable transportation alternative to get to the city center from Gary/Chicago International Airport is by taxi. Taxis are available at the terminal exit. Taxi fares are based on the kilometers traveled. Taxi companies that you can choose from include All Around Taxi and Classic Taxi.

Bus

Another method of transportation to get to the city center from Gary/Chicago International Airport is by bus. Buses are a more affordable transportation alternative compared to taxis. You can use the Gary Public Transportation Corporation buses. For more information on bus lines and routes visit Gary/Chicago Airport’s website.

Train

Taking the train is another convenient transportation alternative to get to the city center from Gary/Chicago International Airport. The South Shore Railroad provides transportation between the airport and downtown Chicago. For more information regarding the train schedule and fares you can visit the airport’s website.

Rental Car

There are various rental car companies located at the terminal building. Renting a car from Gary/Chicago International Airport is a very convenient way to get to the city center, and explore the city during your trip. Rental car companies that you can choose from include Enterprise and Hertz. If you are traveling between multiple places make sure to specify your vehicle pick up and drop off location when making a reservation.

Airport Information

Gary/Chicago International Airport is located in Lake County Indiana, 40 km from downtown Chicago. The airport contains one terminal and currently only serves charter flights and cargo air services. The airport contains health services, rental car offices, a lost and found, and various eating and drinking venues. There are also shopping areas nearby.


Chicago Midway Intl. Airport

Chicago Midway International Airport is located 13 km from the city center. The airport is dominated by Southwest Airlines but also serves other airlines as well. You can get to the city center from the airport by personal car, rental car, taxi, bus, and train. 

Taxi

The fastest and most comfortable transportation alternative to get to the city center from Midway Internatoinal Airport is by taxi. Taxi fares are calculated based on the kilometers traveled. 

Bus

Another method of transportation you can use to get to the city center from Midway International Airport is by bus. Buses are more affordable than taxis and are accessible from the main terminal building. Pace Buses provide transportation between the airport and the city center, running along 7 different routes. The route you need to take will depend on your destination in the city. You can get more information on each bus route by visit Midway International Airport’s website. 

Train

The Chicago Transit Authority (CTA) Orange Line train provides transportation between Midway International Airport and downtown Chicago. For more information regarding this train line you can visit the CTA’s website or Midway International Airport’s website. During off hours CTA buses are available.

Rental Car

There are various rental car companies located at the airport. Renting a car at Midway International Airport is a convenient way to get to the city. Rental car companies that you can choose from include Alamo, Avis, Budget, Dollar, Enterprise, Hertz, National, Thrifty and Rent A Wreck. If you are traveling between multiple places make sure to specify your vehicle pick up and drop off location when making a reservation.


O'Hare Intl. Airport

Located 27 km from the city center, you can get to the city center from O’Hare International Airport by taxi, bus, metra, rental car, and personal car. O’Hare International Airport is the main international airport serving the city and it is among one of the busiest airports in the world. 

Metra

Chicago’s Metra is a commuter railroad that operates throughout the city. The North Central Service runs from the O’Hare Transfer station to various parts of the city. The Metra operates every day of the week, running more frequently during peak hours in the morning and evening and less frequently in the middle of the day. Stops along the North Central Service include, Antioch, Wheeling, Lake Villa, Prospect Heights, Round Lake Beach, O'Hare Transfer Station, Washington St./Grayslake, Rosemont, Prairie Crossing/Libertyville, Schiller Park, Mundelien, Belmont Ave./Franklin Park, Vernon Hills, River Grove, Prairie View, Western Ave, Buffalo Grove, and Union Station.

Taxi

One of the fastest and most comfortable methods of transportation to get to the city center from the airport is by taxi. Taxi stands are located in front of each terminal exit. Taxi fares are calculated based on the kilometers traveled and are an affordable option. You can find out more about specific taxi companies and their contact information by visiting the airport’s website.

Bus

Another easy transportation alternative to get to the city center is by bus. Pace buses are located in the main parking area. You can easily access the buses by using the inter-terminal shuttles. Pace buses provide transportation to various parts of the city. There are also regional buses that provide transportation to areas outside of the city center. Regional buses that you can choose from include Act II Transportation, Coach USA/Tri-State/United Limo, Illini Shuttle, PCC/Peoria Charter Coach, and Express Air Coach.

Rental Car

There are various rental car companies located at the airport that provide free shuttle service to and from the terminal building and the rental car area. Renting a car is a great transportation alternative to get to the city center. It is also an ideal method of transportation to explore the city during your trip. Rental car companies that you can choose from include Ace, Advantage, Alamo, Avis, Budget, Dollar, Enterprise, Firefly, Hertz, National, Payless and Thrifty. If you are traveling between multiple places make sure to specify your vehicle pick up and drop off location when making a reservation.

Chicago Weather

5-Day Forecast • Min / Max Temperature

Wednesday
16 Sep
Clear
22°18°
Today
Thursday
17 Sep
Clear
21°17°
Friday
18 Sep
Clear
22°18°
Saturday
19 Sep
Rain
22°16°
Sunday
20 Sep
Rain
21°17°

Alternative Flights Ontario Chicago

Flights with Alternative Departure Locations Ontario Chicago

Frequently Asked Questions

When you search for Ontario (Ontario Intl.)-Chicago flights, Wingie directly gathers and compares instant data from all airlines. You can see all Ontario (Ontario Intl.)-Chicago flights together for the date you are looking for and choose the most suitable flight.
For Ontario (Ontario Intl.)-Chicago flights, you can use Ontario Intl. Airport, Toronto Union Railway Station as departure airport, and Chicago Rockford Intl. Airport, Gary International Airport, Merrill C Meigs Airport, Chicago Midway Intl. Airport, O'Hare Intl. Airport for arrival.
The flight distance between Ontario (Ontario Intl.)-Chicago is 2754 kilometers in total. The flight between the two cities takes 3 hour 20 minutes.
When the average prices are examined, the most suitable day for Ontario (Ontario Intl.)-Chicago flights is Saturday.
On this route, low-cost airlines typically offer fares that include only cabin and hand baggage. Full-service airlines may include baggage and refreshment fees in the base price. The best option varies according to baggage needs. Based on current data, the lowest fare on this route with Frontier Airlines starts from approximately $128.
AirlinePriceStandard inclusions
Delta Air Lines
$143
1 piece handbag / Paid Change (up to 48 hours) / No Refund
Frontier Airlines
$128
1 piece of handbag (45x35x20 cm cm)

Last update: 07.09.2026

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