Cheap Flight Tickets from Ontario (ONT) to Chicago (MDW), Starting at $128

Good to Know: Cheapest and Fastest ONT - MDW Flights

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

Cheapest Round Trip Flight

$172

WN Southwest Airlines • nonstop • 5h 45m

Oct 03 – Oct 13

The cheapest round trip flight from Ontario to Chicago (ONT-MDW-ONT) is currently $172

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Cheapest One way Flight

$128

WN Southwest Airlines • nonstop • 5h 50m

Aug 30

The cheapest one way flight from Ontario to Chicago (ONT-MDW) is currently $128

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Cheapest Direct Flight

$144

WN Southwest Airlines • nonstop • 5h 50m

Sep 20

The cheapest nonstop flight from Ontario to Chicago (ONT-MDW) is currently $144

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Fastest Flight

5h 45m

The fastest nonstop flight from Ontario to Chicago (ONT-MDW) takes 5h 45m

Top Airlines Flying from Ontario to Chicago

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

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

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

Oct 03 - Oct 13, Economy
WN
Ontario → Chicago
5h 45m
11:55 PM - 5:40 AM • nonstop
WN
Ontario → Chicago
7h 10m
10:30 AM - 1:00 PM • nonstop
$172
Southwest Airlines
Oct 03 - Oct 13, Economy
WN
Ontario → Chicago
5h 45m
11:55 PM - 5:40 AM • nonstop
WN
Ontario → Chicago
10h
4:45 PM - 8:45 PM • 1 stop
$193
Southwest Airlines
Sep 01 - Sep 04, Economy
WN
Ontario → Chicago
5h 50m
11:55 PM - 5:45 AM • nonstop
WN
Ontario → Chicago
6h 50m
2:00 PM - 4:10 PM • nonstop
$257
Southwest Airlines
Aug 30 - Sep 06, Economy
F9
Ontario → Chicago
16h 54m
8:17 AM - 8:31 PM • 1 stop
F9
Ontario → Chicago
22h 32m
8:11 PM - 8:03 AM • 1 stop
$328
Frontier Airlines
Sep 02 - Sep 04, Economy
DL
Ontario → Chicago
13h 56m
12:00 PM - 10:36 PM • 1 stop
DL
Ontario → Chicago
7h 12m
2:36 PM - 5:08 PM • nonstop
$362
Delta Airlines
Sep 02 - Sep 04, Economy
DL
Ontario → Chicago
13h 56m
12:00 PM - 10:36 PM • 1 stop
DL
Ontario → Chicago
10h 2m
7:44 PM - 11:46 PM • 1 stop
$367
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 MDW?
The most popular airline flying from Ontario to Chicago are
Can I fly from ONT to MDW non-stop?
Yes, you can fly ONT to MDW 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 MDW Airport?
The earliest flight leaves ONT at 8:17 am and lands in MDW - Chicago Midway International
What are the airports in Chicago?
ORD,MDW
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 MDW?
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 MDW, which is 1705.64 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Chicago (MDW) ?
In the past couple of days, the cheapest tickets to MDW from ONT were found on WN : USD 128
Do I need a passport to fly between ONT and MDW?
No
What’s the latest departure time from ONT to MDW ?
The last flight leaves ONT at 11:55 pm

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

Origin Airport Ontario International , Ontario, US
Destination Airport Chicago Midway International , Chicago, US
Distance 1706 miles

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