Cheap Flight Tickets from Chicago (MDW) to Ontario (ONT), Starting at $271

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

$299

WN Southwest Airlines • 1 stop • 10h 20m

Jul 21 – Jul 28

The cheapest round trip flight from Chicago to Ontario (MDW-ONT-MDW) is currently $299

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Cheapest One way Flight

$689

WN Southwest Airlines • 1 stop • 9h 10m

Jun 28

The cheapest one way flight from Chicago to Ontario (MDW-ONT) is currently $689

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Cheapest Direct Flight

$271

WN Southwest Airlines • nonstop • 6h 50m

Aug 05

The cheapest nonstop flight from Chicago to Ontario (MDW-ONT) is currently $271

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Fastest Flight

6h 45m

The fastest nonstop flight from Chicago to Ontario (MDW-ONT) takes 6h 45m

Top Airlines Flying from Chicago to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta 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.

Jul 21 - Jul 28, Economy
WN
Chicago → Ontario
10h 20m
6:00 PM - 10:20 PM • 1 stop
WN
Chicago → Ontario
5h 45m
11:55 PM - 5:40 AM • nonstop
$299
Southwest Airlines
Jul 21 - Jul 28, Economy
WN
Chicago → Ontario
10h 10m
6:40 PM - 10:50 PM • 1 stop
WN
Chicago → Ontario
5h 45m
11:55 PM - 5:40 AM • nonstop
$299
Southwest Airlines
Aug 02 - Aug 09, Economy
WN
Chicago → Ontario
6h 55m
10:15 PM - 12:30 AM • nonstop
WN
Chicago → Ontario
5h 50m
11:55 PM - 5:45 AM • nonstop
$4915
Southwest Airlines
Aug 02 - Aug 09, Economy
WN
Chicago → Ontario
6h 55m
10:15 PM - 12:30 AM • nonstop
WN
Chicago → Ontario
8h 30m
2:30 PM - 9:40 PM • 1 stop
$4973
Southwest Airlines
Jul 05 - Jul 12, Economy
WN
Chicago → Ontario
6h 55m
10:15 PM - 12:30 AM • nonstop
WN
Chicago → Ontario
6h 40m
5:10 AM - 11:10 AM • nonstop
$9865
Southwest Airlines
Jul 05 - Jul 12, Economy
WN
Chicago → Ontario
6h 55m
10:15 PM - 12:30 AM • nonstop
WN
Chicago → Ontario
9h
1:55 PM - 9:35 PM • 1 stop
$9923
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 5:00 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 WN : USD 689
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 10:15 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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