Cheap Flight Tickets from Chicago (MDW) to Ontario (ONT), Starting at $226

Good to Know: Cheapest and Fastest MDW - ONT Flights

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

Cheapest Round Trip Flight

$342

DL Delta Airlines • 1 stop • 15h 57m

Oct 31 – Nov 07

The cheapest round trip flight from Chicago to Ontario (MDW-ONT-MDW) is currently $342

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Cheapest One way Flight

$272

DL Delta Airlines • 2 stops • 20h 18m

Nov 09

The cheapest one way flight from Chicago to Ontario (MDW-ONT) is currently $272

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Cheapest Direct Flight

$226

WN Southwest Airlines • nonstop • 7h 5m

Jan 11

The cheapest nonstop flight from Chicago to Ontario (MDW-ONT) is currently $226

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Fastest Flight

6h 55m

The fastest nonstop flight from Chicago to Ontario (MDW-ONT) takes 6h 55m

Top Airlines Flying from Chicago to Ontario

Delta Airline, DL

Delta Airlines

Southwest Airlines-WN

Southwest Airlines

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

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

Oct 31 - Nov 07, Economy
DL
Chicago → Ontario
15h 57m
11:33 AM - 7:30 PM • 1 stop
DL
Chicago → Ontario
16h 40m
6:00 AM - 6:00 PM • 2 stops
$342
Delta Airlines
Oct 31 - Nov 07, Economy
WN
Chicago → Ontario
10h 15m
1:40 PM - 5:55 PM • 1 stop
WN
Chicago → Ontario
5h 45m
8:20 AM - 2:05 PM • nonstop
$427
Southwest Airlines
Oct 31 - Nov 07, Economy
WN
Chicago → Ontario
13h 45m
6:35 AM - 1:00 PM • 1 stop
WN
Chicago → Ontario
5h 45m
8:20 AM - 2:05 PM • nonstop
$427
Southwest Airlines
Oct 31 - Nov 07, Economy
WN
Chicago → Ontario
11h 55m
10:40 AM - 3:55 PM • 1 stop
WN
Chicago → Ontario
5h 45m
8:20 AM - 2:05 PM • nonstop
$427
Southwest Airlines
Oct 31 - Nov 07, Economy
WN
Chicago → Ontario
10h 20m
12:40 PM - 5:00 PM • 1 stop
WN
Chicago → Ontario
5h 45m
8:20 AM - 2:05 PM • nonstop
$427
Southwest Airlines
Oct 31 - Nov 07, Economy
WN
Chicago → Ontario
15h 40m
9:20 AM - 5:00 PM • 1 stop
WN
Chicago → Ontario
8h 50m
2:50 PM - 10:20 PM • 1 stop
$436
Southwest Airlines

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

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

FAQs on Chicago to Ontario Flights

What are the airports in Chicago?
ORD,MDW
What’s the most popular airline flying from MDW to ONT?
The most popular airline flying from Chicago to Ontario are
Can I fly from MDW to ONT non-stop?
Yes, you can fly MDW to ONT non-stop on
Which airlines fly nonstop between Chicago and Ontario?
The non-stop flights between Chicago and Ontario are .
What’s the earliest departure time from MDW to ONT Airport?
The earliest flight leaves MDW at 6:35 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Chicago to Ontario 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 MDW to ONT?
Read the fare rules of the Chicago to Ontario 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 Chicago and Ontario?
operate flights between Chicago and Ontario
How long does a flight from Chicago to Ontario take?
It takes approximately 4 hour to fly non-stop from MDW to ONT, which is 1705.64 miles by air.
Which airlines provide the cheapest flights from Chicago (MDW) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from MDW were found on DL : USD 339
Do I need a passport to fly between MDW and ONT?
No
What’s the latest departure time from MDW to ONT ?
The last flight leaves MDW at 3:45 pm

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

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

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