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

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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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Best Flights from Ontario to Chicago Today

Take a look at the list of non stop flights and flights with layovers from Ontario to Chicago with the lowest price of $128. Take a look at the list of flights with layovers from Ontario to Chicago from $128. There’re no direct flights. The fastest connecting flight – 6h 3m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $128 Find flight	14:20 Ontario Ontario Int.	23:16 Chicago O'Hare International	6h 56m layover 1h 22m - Dallas	American Airlines	AA1086 AA1294
from $128 Find flight	08:15 Ontario Ontario Int.	17:15 Chicago O'Hare International	7h 0m layover 1h 27m - Dallas	American Airlines	AA2638 AA2223
from $128 Find flight	06:10 Ontario Ontario Int.	15:11 Chicago O'Hare International	7h 1m layover 1h 25m - Dallas	American Airlines	AA1412 AA2412
from $128 Find flight	19:25 Ontario Ontario Int.	06:09+1 день Chicago O'Hare International	8h 44m layover 3h 52m - Phoenix	American Airlines	AA5845 AA447
from $134 Find flight	16:30 Ontario Ontario Int.	00:33+1 день Chicago O'Hare International	6h 3m layover 0h 59m - Phoenix	American Airlines	AA5961 AA630
from $149 Find flight	23:59 Ontario Ontario Int.	10:27+1 день Chicago O'Hare International	8h 28m layover 2h 59m - Dallas	American Airlines	AA2797 AA1106

from $149 Find flight	08:15 Ontario Ontario Int.	18:48 Chicago O'Hare International	8h 33m layover 3h 2m - Dallas	American Airlines	AA2638 AA2418
from $149 Find flight	14:20 Ontario Ontario Int.	00:54+1 день Chicago O'Hare International	8h 34m layover 3h 2m - Dallas	American Airlines	AA1086 AA2585
from $149 Find flight	08:15 Ontario Ontario Int.	19:30 Chicago O'Hare International	9h 15m layover 3h 42m - Dallas	American Airlines	AA2638 AA1463
from $149 Find flight	23:59 Ontario Ontario Int.	11:32+1 день Chicago O'Hare International	9h 33m layover 3h 59m - Dallas	American Airlines	AA2797 AA1734
from $173 Find flight	10:50 Ontario Ontario Int.	19:30 Chicago O'Hare International	6h 40m layover 1h 10m - Dallas	American Airlines	AA1472 AA1463
from $259 Find flight	16:30 Ontario Ontario Int.	06:09+1 день Chicago O'Hare International	11h 39m layover 6h 39m - Phoenix	American Airlines	AA5961 AA447

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on January 30, 2023

Flight Schedule Ontario (California) to Chicago (Illinois)

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	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

Departuer	Arrival	Flight Details	Flight Time	Price
	stop stop	including layover	Find flight from$

*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.

AA - American Airlines

from $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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Airplanes

There are flights to Chicago from Ontario by 1 airlines that use 4 aircraft brands. They range from huge modern airplanes to small-sized.

Airbus A321-100/200

from $128

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Bombardier CRJ 900

from $128

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Boeing 737-800

from $128

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Canadair CRJ900

from $134

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Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Ontario — Tampa

from $54

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Ontario — Pittsburgh

from $70

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Ontario — Indianapolis

from $62

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Ontario — Cleveland

from $63

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Ontario — Norfolk

from $79

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Ontario — Tucson

from $80

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Ontario — New Orleans

from $63

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Ontario — San Jose

from $61

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Ontario — Honolulu

from $63

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Ontario — Austin

from $67

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Top International Destinations from Ontario

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Mexico City

from $58

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Ontario — Cancun

from $74

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Ontario — Toronto

from $70

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Ontario — London

from $62

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Ontario — Vancouver

from $61

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All flights from Ontario | All flights to Chicago

How to book a plane 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.
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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.
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