Cheap Flight Tickets from Ontario (ONT) to Chicago (ORD), Starting at $268

Good to Know: Cheapest and Fastest ONT - ORD Flights

Useful information for finding best airline tickets from Ontario International to Chicago O'Hare International on your next trip.

Cheapest Round Trip Flight

$268

AS Alaska Airlines • 1 stop • 15h 28m

Aug 13 – Aug 19

The cheapest round trip flight from Ontario to Chicago (ONT-ORD-ONT) is currently $268

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Cheapest One way Flight

$498

DL Delta Airlines • 1 stop • 15h 40m

Aug 14

The cheapest one way flight from Ontario to Chicago (ONT-ORD) is currently $498

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Cheapest Direct Flight

$369

UA United Airlines • nonstop • 6h 50m

Aug 26

The cheapest nonstop flight from Ontario to Chicago (ONT-ORD) is currently $369

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Fastest Flight

6h 50m

The fastest nonstop flight from Ontario to Chicago (ONT-ORD) takes 6h 50m

Top Airlines Flying from Ontario to Chicago

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Ontario (ONT) to Chicago (ORD)

Compare and book low fare round-trip air tickets from Ontario to Chicago. Ideal for travelers with confirmed return itineraries.

Aug 13 - Aug 19, Economy
AS
Ontario → Chicago
15h 28m
5:32 PM - 5:00 AM • 1 stop
AS
Ontario → Chicago
15h 16m
3:43 PM - 10:59 PM • 1 stop
$268
Alaska Airlines
Aug 13 - Aug 19, Economy
AS
Ontario → Chicago
15h 36m
6:02 AM - 5:38 PM • 1 stop
AS
Ontario → Chicago
15h 56m
1:03 PM - 8:59 PM • 1 stop
$268
Alaska Airlines
Aug 13 - Aug 19, Economy
AS
Ontario → Chicago
12h 34m
2:05 PM - 11:59 PM • 1 stop
AS
Ontario → Chicago
15h 56m
1:03 PM - 8:59 PM • 1 stop
$268
Alaska Airlines
Aug 13 - Aug 19, Economy
AS
Ontario → Chicago
14h 2m
6:02 AM - 4:44 PM • 1 stop
AS
Ontario → Chicago
12h 35m
2:22 PM - 8:17 PM • 1 stop
$268
Alaska Airlines
Aug 13 - Aug 19, Economy
AS
Ontario → Chicago
15h 55m
12:04 PM - 11:59 PM • 1 stop
AS
Ontario → Chicago
15h 56m
1:03 PM - 8:59 PM • 1 stop
$268
Alaska Airlines
Aug 27 - Aug 30, Economy
DL
Ontario → Chicago
14h 4m
10:00 PM - 8:44 AM • 1 stop
DL
Ontario → Chicago
7h 6m
7:29 AM - 9:55 AM • nonstop
$292
Delta Airlines

Fly from Ontario to Chicago with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Chicago? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Chicago Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to ORD?
The most popular airline flying from Ontario to Chicago are
Can I fly from ONT to ORD non-stop?
Yes, you can fly ONT to ORD non-stop on
Which airlines fly nonstop between Ontario and Chicago?
The non-stop flights between Ontario and Chicago are .
What’s the earliest departure time from ONT to ORD Airport?
The earliest flight leaves ONT at 6:02 am and lands in ORD - Chicago O'Hare International
What are the airports in Chicago?
MDW,ORD
Can I make changes to my Ontario to Chicago flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to ORD?
Read the fare rules of the Ontario to Chicago air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Chicago?
operate flights between Ontario and Chicago
How long does a flight from Ontario to Chicago take?
It takes approximately 4 hour to fly non-stop from ONT to ORD, which is 1699.87 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Chicago (ORD) ?
In the past couple of days, the cheapest tickets to ORD from ONT were found on DL : USD 498
Do I need a passport to fly between ONT and ORD?
No
What’s the latest departure time from ONT to ORD ?
The last flight leaves ONT at 10:00 pm

Essential Information for Booking Flights from Ontario (ONT) - AI Insights

What's the cheapest airline from ont to ord?
You can find the cheapest airline from Ontario to Chicago O'Hare International on Alaska Airlines. With a business class ticket, you'll enjoy priority check-in, lounge access, and flatbed seats. Booking at least 13 days in advance can help you secure a budget-friendly option for your one-way trip.
What's the popular airline to fly from ont to ord?
You can fly from Ontario International Airport (ONT) to Chicago O'Hare International Airport (ORD) on Alaska Airlines. This business class flight has two stops, but you'll enjoy priority check-in, lounge access, and flatbed seats. Booking in advance is recommended, as it's a popular route. You can find affordable airfares with Alaska Airlines for your one-way trip.
What's the cheapest day of the week to fly from ont to ord?
The cheapest day to fly from Ontario International (ONT) to Chicago O'Hare International Airport (ORD) is Sunday. Booking a flight on this day can help you secure budget-friendly airfares, making it an ideal option for travelers looking for cheap airline tickets.
What's the cheapest month to fly from ont to ord?
The cheapest month to fly from Ontario International (ONT) to Chicago O'Hare International (ORD) is July. Flights during this time offer budget-friendly options, making it an ideal choice for travelers looking for affordable airfare savings.
Which airline/airlines fly from ont to ord?
The airlines that fly from Ontario International Airport (ONT) to Chicago O'Hare International Airport (ORD) include JetBlue Airways, Volaris Airline, Alaska Airlines, American Airlines, Southwest Airlines, Frontier Airlines, Avianca, Delta Airlines, and United Airlines. You can find low fares on airfares for your one-way trip with these airlines.
What is the airfare for a one-way trip from Ontario International Airport to Chicago O'Hare International Airport?
The current airfare for a one-way trip from Ontario International Airport (ONT) to Chicago O'Hare International Airport (ORD) with Alaska Airlines (AS) is not available. However, you can check our website for the latest deals and discounts on flights.
How many advance booking days do I need to book my flight with airlines like airport airline for a Milwaukee destination?
For a Milwaukee destination, it's recommended to book your flight at least 13 advance booking days in advance. You can check our website for the best deals and discounts on flights.
Can I find affordable airfares and airtickets on your website for July travel?
Yes, you can find affordable airfares and airtickets on our website for July travel. Our website offers the cheapest airline tickets for your next trip.
What is the best way to look for airplant deals and discounts on flights?
You can look for airplant deals and discounts on flights by using our website's search feature, where you can filter results by price, airline, and destination.
How can I use your website to plan my viajes and book my trip?
To plan your viajes and book your trip, simply visit our website, enter your travel dates, destinations, and preferred airlines, and we will provide you with the cheapest airline tickets for your next trip.

Ontario (ONT) to Chicago (ORD): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Chicago O'Hare International , Chicago, US
Distance 1700 miles

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