Cheap Flights from Ontario, CA to Chicago, IL from $78

Return flight: Chicago – Ontario

On Cheapflightsplus.com you will find 14 connecting flights from Ontario to Chicago. You can compare airfare deals from 1 airlines and multiple travel sites from $128, book and save on cheap plane tickets and last minute offers. Also check out ONT-CHI flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to Chicago Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $78 (one-way), $134 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Ontario to Chicago. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:10 — 15:11
06:10 — 11:15 AA1412 American Airlines
Ontario — Dallas
1h 25m stop
12:40 — 15:11 AA2412 American Airlines
Dallas — Chicago
7h 1m
including layover
Find flight
from$128
08:15 — 17:15
08:15 — 13:18 AA2638 American Airlines
Ontario — Dallas
1h 27m stop
14:45 — 17:15 AA2223 American Airlines
Dallas — Chicago
7h
including layover
Find flight
from$128
10:50 — 19:30
10:50 — 15:50 AA1472 American Airlines
Ontario — Dallas
1h 10m stop
17:00 — 19:30 AA1463 American Airlines
Dallas — Chicago
6h 40m
including layover
Find flight
from$173
14:20 — 23:16
14:20 — 19:23 AA1086 American Airlines
Ontario — Dallas
1h 22m stop
20:45 — 23:16 AA1294 American Airlines
Dallas — Chicago
6h 56m
including layover
Find flight
from$128
16:30 — 00:33
+1 day
16:30 — 17:56 AA5961 American Airlines
Ontario — Phoenix
59m stop
18:55 — 00:33 AA630 American Airlines
Phoenix — Chicago
6h 3m
including layover
Find flight
from$134
19:25 — 06:09
+1 day
19:25 — 20:43 AA5845 American Airlines
Ontario — Phoenix
3h 52m stop
00:35 — 06:09 AA447 American Airlines
Phoenix — Chicago
8h 44m
including layover
Find flight
from$128
23:59 — 10:27
+1 day
23:59 — 05:01 AA2797 American Airlines
Ontario — Dallas
2h 59m stop
08:00 — 10:27 AA1106 American Airlines
Dallas — Chicago
8h 28m
including layover
Find flight
from$149
*Departure and arrival times - local. Updated on January 30, 2023

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to Chicago depends on and how to choose the most interesting flight option for you.

Distance between Ontario and Chicago is 2751 miles. Time difference between the cities is 2h. Airplanes depart 06:10 to 23:59 from 2 Ontario airports and arrive 06:10 to 23:59 to 7 Chicago airports. Average flight time is 8h 34m.

  • The fastest flight 6h 3m
  • Average flight time 8h 34m
  • The earliest flight 06:10
  • The latest flight 23:59
  • Distance 1710 ml

What is the lowest airfare Ontario to Chicago?

The cheapest plane ticket found by our users is $128. This airfare is for economy class on one-way AA5845 flight by American Airlines for August 29, 2020 which leaves Ontario Int. in Ontario at 19:25 am and arrives at Chicago O'Hare International at 06:09.

Economy class
$128
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Business class
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First class
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Popular Airlines on the Route

The flight Ontario — Chicago is served by 1 regular airline . Most of the flights on this route are operated by American Airlines - 14 departures per week at the price of from $ 128 . And the most expensive tickets are offered by American Airlines airline - from $ 318.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 14 flights with layovers on the route. The fastest connecting flight is AA5961 by American Airlines takes 6h 3m and the cheapest is AA5845 by American Airlines for $128.

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Airports

You can fly from Ontario to Chicago from 2 airports (Ontario Int., International Heliport).

Ontario airports

  • Ontario Int.-ONT
    from $128
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  • International Heliport-JIO
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Chicago airports

  • O'Hare International-ORD
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  • Midway-MDW
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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