Cheap Flight Tickets from Chicago (MDW) to Ontario (ONT), Starting at $202

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

$202

F9 Frontier Airlines • 1 stop • 21h 54m

Aug 16 – Aug 23

The cheapest round trip flight from Chicago to Ontario (MDW-ONT-MDW) is currently $202

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Cheapest Direct Flight

$278

WN Southwest Airlines • nonstop • 6h 55m

Sep 12

The cheapest nonstop flight from Chicago to Ontario (MDW-ONT) is currently $278

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Fastest Flight

6h 50m

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

Top Airlines Flying from Chicago to Ontario

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.

Aug 16 - Aug 23, Economy
F9
Chicago → Ontario
21h 54m
9:27 PM - 8:41 AM • 1 stop
F9
Chicago → Ontario
16h 54m
8:17 AM - 8:31 PM • 1 stop
$202
Frontier Airlines
Aug 06 - Aug 13, Economy
F9
Chicago → Ontario
21h 54m
9:27 PM - 8:41 AM • 1 stop
F9
Chicago → Ontario
13h 23m
10:49 AM - 8:52 PM • 1 stop
$202
Frontier Airlines
Sep 12 - Sep 19, Economy
WN
Chicago → Ontario
6h 55m
6:00 PM - 8:15 PM • nonstop
WN
Chicago → Ontario
5h 50m
10:30 AM - 4:20 PM • nonstop
$278
Southwest Airlines
Aug 15 - Aug 22, Economy
WN
Chicago → Ontario
6h 50m
6:00 PM - 8:10 PM • nonstop
WN
Chicago → Ontario
6h 40m
11:55 PM - 5:55 AM • nonstop
$736
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 6:00 pm 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 736
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 9:27 pm

Essential Information for Booking Flights from Chicago (MDW) - AI Insights

What's the cheapest airline from mdw to ont?
You can find affordable flights from Chicago Midway International Airport (mdw) to Ontario International Airport (ont) on Southwest Airlines. For a one-way ticket, you can expect to pay around $200-$300 in economy class. Since you're booking a round-trip ticket with 17 days of advance booking, you may be able to secure even lower fares. Keep an eye out for sales and discounts to score the best deals.
What's the popular airline to fly from mdw to ont?
Southwest Airlines offers affordable flights from Chicago Midway International Airport (mdw) to Ontario International Airport (ont). As a round-trip passenger, you can enjoy low fares on this popular airline. Booking in advance will help you secure the best airfares for your July travel plans.
What's the cheapest day of the week to fly from mdw to ont?
The cheapest day to fly from Chicago Midway International Airport (mdw) to Ontario International Airport (ont) is Tuesday. Flying on Tuesdays can result in budget-friendly flights, which may offer savings on airfares. For a round-trip journey, consider booking your flight at least 17 days in advance to secure the best available airfare.
What's the cheapest month to fly from mdw to ont?
The cheapest month to fly from Chicago Midway International Airport (mdw) to Ontario International Airport (ont) is October. Flying during this time can help you find budget-friendly flights.
Which airline/airlines fly from mdw to ont?
Frontier Airlines and Volaris Airline offer flights from Chicago Midway International Airport (mdw) to Ontario International Airport (ont), providing budget-friendly options for your round trip journey.
What is the cheapest airfare from Milwaukee to Ontario?
The cheapest airfare from Milwaukee to Ontario can be found on Southwest Airlines (WN), with prices starting at ₦123. Book your flight in advance, as early bookings offer better deals.
How far in advance can I book an airline ticket for my round trip journey?
It is recommended to book your airline ticket at least 17 days in advance to get the best fares. However, some airlines like Southwest Airlines (WN) allow early bookings with discounts.
Can I get a discount on my flight if I book early or last minute?
Yes, booking early can result in discounts, while last-minute bookings might not offer as much savings. Consider booking during the cheapest month, September, for better deals.
Is it possible to find affordable flights during July and December travel seasons?
During the peak travel seasons of July and December, fares tend to be higher. However, with Southwest Airlines (WN) offering competitive prices, you can still find affordable options.
Do you offer any discounts for advance bookings or loyalty programs?
Yes, many airlines offer discounts for advance bookings and loyalty programs. Check the websites of airlines like Frontier Airlines (F9), Volaris Airline (Y4), Porter Airline (PD), Southwest Airlines (WN), Delta Airlines (DL), American Airlines (AA), United Airlines (UA), Allegiant (G4) for more information.
What is the best way to compare airfares and find the cheapest airline tickets?
Use websites like fareleaders.com to compare airfares and find the cheapest airline tickets. Our platform aggregates prices from various airlines, making it easy to find the best deals.
How can I ensure that I get the right cabin class for my economy flight?
When booking your flight, ensure you select the correct cabin class. For economy flights, choose from options like Economy (Unknown cabin class) on Southwest Airlines (WN). Always check the airline's website or consult with a travel agent if unsure.

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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