Cheap Flight Tickets from Ontario (ONT) to Chicago (MDW), Starting at $174

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

$599

DL Delta Airlines • 2 stops • 17h 33m

Aug 19 – Aug 24

The cheapest round trip flight from Ontario to Chicago (ONT-MDW-ONT) is currently $599

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Cheapest One way Flight

$247

DL Delta Airlines • 1 stop • 13h 47m

Jul 22

The cheapest one way flight from Ontario to Chicago (ONT-MDW) is currently $247

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Cheapest Direct Flight

$174

WN Southwest Airlines • nonstop • 5h 50m

Aug 19

The cheapest nonstop flight from Ontario to Chicago (ONT-MDW) is currently $174

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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

Delta Airline, DL

Delta Airlines

Southwest Airlines-WN

Southwest Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American 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.

Aug 19 - Aug 24, Economy
DL
Ontario → Chicago
17h 33m
9:43 AM - 10:36 PM • 2 stops
DL
Ontario → Chicago
29h 7m
6:05 AM - 9:52 PM • 1 stop
$599
Delta Airlines
Aug 19 - Aug 24, Economy
DL
Ontario → Chicago
11h 50m
7:05 AM - 4:15 PM • 1 stop
DL
Ontario → Chicago
32h 12m
5:10 PM - 10:42 AM • 1 stop
$1039
Delta Airlines
Aug 19 - Aug 24, Economy
DL
Ontario → Chicago
11h 50m
7:05 AM - 4:15 PM • 1 stop
DL
Ontario → Chicago
41h 54m
5:10 PM - 4:24 PM • 2 stops
$1043
Delta Airlines
Aug 19 - Aug 24, Economy
DL
Ontario → Chicago
22h 11m
7:05 AM - 10:36 PM • 1 stop
DL
Ontario → Chicago
32h 12m
5:10 PM - 10:42 AM • 1 stop
$1103
Delta Airlines
Aug 19 - Aug 24, Economy
DL
Ontario → Chicago
44h 6m
7:05 AM - 11:51 AM • 1 stop
DL
Ontario → Chicago
32h 12m
5:10 PM - 10:42 AM • 1 stop
$1206
Delta Airlines
Aug 19 - Aug 24, Economy
DL
Ontario → Chicago
13h 56m
12:00 PM - 10:36 PM • 1 stop
DL
Ontario → Chicago
12h 24m
12:46 PM - 6:30 PM • 1 stop
$2009
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 7:05 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 DL : USD 247
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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