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Cheap flights from Ontario to Chicago from $134

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:30 am - 12:25 pmONT  Ontario-MDW Chicago Midway
3h 55mnonstop
Southwest Logo
5:20 am - 10:50 amMDW  Chicago Midway-ONT Ontario
7h 30m1 stop Houston Hobby
$286Southwest
Thu, Jan 21 - Wed, Jan 27
Southwest Logo
10:55 am - 4:45 pmONT  Ontario-MDW Chicago Midway
3h 50mnonstop
Southwest Logo
5:20 am - 9:25 amMDW  Chicago Midway-ONT Ontario
6h 05m1 stop Phoenix Sky Harbor Intl
$286Southwest
Thu, Dec 24 - Wed, Jan 6
Frontier Logo
12:36 pm - 10:05 amONT  Ontario-MDW Chicago Midway
19h 29m1 stop Dallas/Fort Worth
Frontier Logo
10:40 am - 7:44 amMDW  Chicago Midway-ONT Ontario
23h 04m1 stop Dallas/Fort Worth
$287Frontier
Thu, Dec 10 - Mon, Dec 14
Delta Logo
12:20 pm - 10:54 pmONT  Ontario-MDW Chicago Midway
8h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:55 amMDW  Chicago Midway-ONT Ontario
7h 55m1 stop Atlanta Hartsfield-Jackson
$291Delta
Tue, Dec 15 - Tue, Jan 12
Southwest Logo
1:25 pm - 9:15 pmONT  Ontario-MDW Chicago Midway
5h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
5:50 am - 9:45 amMDW  Chicago Midway-ONT Ontario
5h 55m1 stop Las Vegas Harry Reid Intl
$291Southwest
Sat, Dec 12 - Wed, Dec 16
Southwest Logo
8:40 am - 5:30 pmONT  Ontario-MDW Chicago Midway
6h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
5:50 am - 9:45 amMDW  Chicago Midway-ONT Ontario
5h 55m1 stop Las Vegas Harry Reid Intl
$291Southwest
Wed, Dec 9 - Wed, Dec 16
Delta Logo
6:00 am - 4:50 pmONT  Ontario-MDW Chicago Midway
8h 50m2 stops Salt Lake City Minneapolis St Paul
Delta Logo
1:41 pm - 11:57 pmMDW  Chicago Midway-ONT Ontario
12h 16m2 stops Detroit Metropolitan Wayne County Salt Lake City
$292Delta
Tue, Dec 8 - Tue, Dec 15
Delta Logo
12:20 pm - 10:54 pmONT  Ontario-MDW Chicago Midway
8h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:59 pm - 11:58 pmMDW  Chicago Midway-ONT Ontario
11h 59m2 stops Detroit Metropolitan Wayne County Salt Lake City
$296Delta
Tue, Dec 15 - Tue, Jan 12
Frontier Logo
12:36 pm - 9:45 amONT  Ontario-MDW Chicago Midway
19h 09m1 stop Dallas/Fort Worth
Frontier Logo
12:28 pm - 10:17 pmMDW  Chicago Midway-ONT Ontario
11h 49m2 stops Atlanta Hartsfield-Jackson Denver Intl
$319Frontier
Tue, Dec 8 - Tue, Dec 15
Frontier Logo
7:26 pm - 4:06 pmONT  Ontario-MDW Chicago Midway
18h 40m2 stops San Francisco Atlanta Hartsfield-Jackson
Frontier Logo
10:40 am - 8:05 amMDW  Chicago Midway-ONT Ontario
23h 25m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
$341Frontier
Wed, Dec 9 - Wed, Dec 16

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Southwest flights from Ontario to Chicago Midway Airport

Our best Southwest deals on Ontario to Chicago Midway Airport flight tickets
Southwest
Dec 24
ONT10:55 amOntario
3h 50m
MDW4:45 pmChicago Midway
Jan 6
MDW5:20 amChicago Midway
6h 05m
1 stop
ONT9:25 amOntario
$286
Southwest
Dec 12
ONT1:25 pmOntario
5h 50m
1 stop
MDW9:15 pmChicago Midway
Dec 16
MDW5:50 amChicago Midway
5h 55m
1 stop
ONT9:45 amOntario
$291
Southwest
Jan 12
ONT6:30 amOntario
3h 55m
MDW12:25 pmChicago Midway
Jan 15
MDW9:30 pmChicago Midway
4h 25m
ONT11:55 pmOntario
$299

Frontier flights from Ontario to Chicago Midway Airport

Our best Frontier deals on Ontario to Chicago Midway Airport flight tickets
Frontier
Dec 10
ONT12:36 pmOntario
19h 29m
1 stop
MDW10:05 amChicago Midway
Dec 14
MDW10:40 amChicago Midway
23h 04m
1 stop
ONT7:44 amOntario
$287
Frontier
Nov 16
ONT8:03 pmOntario
13h 19m
1 stop
MDW11:22 amChicago Midway
Nov 19
MDW12:20 pmChicago Midway
8h 48m
1 stop
ONT7:08 pmOntario
$293
Frontier
Nov 19
ONT8:03 pmOntario
9h 20m
1 stop
MDW7:23 amChicago Midway
Dec 16
MDW10:40 amChicago Midway
23h 25m
2 stops
ONT8:05 amOntario
$315

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Chicago Midway Airport that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Thu 1/21

6:30 am-12:25 pm

Nonstop3h 55m

Chicago Midway

Wed 1/27

5:20 am-10:50 am

1 stop7h 30m

$286
Quickest round-trip

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Thu 12/24

10:55 am-4:45 pm

Nonstop3h 50m

Chicago Midway

Wed 1/6

5:20 am-9:25 am

1 stop6h 05m

$286

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Thu 12/10

12:36 pm-10:05 am

1 stop19h 29m

Chicago Midway

Mon 12/14

10:40 am-7:44 am

1 stop23h 04m

$287

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Tue 12/15

12:20 pm-10:54 pm

1 stop8h 34m

Chicago Midway

Tue 1/12

6:00 am-11:55 am

1 stop7h 55m

$291

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Sat 12/12

1:25 pm-9:15 pm

1 stop5h 50m

Chicago Midway

Wed 12/16

5:50 am-9:45 am

1 stop5h 55m

$291

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Wed 12/9

8:40 am-5:30 pm

1 stop6h 50m

Chicago Midway

Wed 12/16

5:50 am-9:45 am

1 stop5h 55m

$291

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Tue 12/8

6:00 am-4:50 pm

2 stops8h 50m

Chicago Midway

Tue 12/15

1:41 pm-11:57 pm

2 stops12h 16m

$292

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Tue 12/15

12:20 pm-10:54 pm

1 stop8h 34m

Chicago Midway

Tue 1/12

1:59 pm-11:58 pm

2 stops11h 59m

$296

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Tue 12/8

12:36 pm-9:45 am

1 stop19h 09m

Chicago Midway

Tue 12/15

12:28 pm-10:17 pm

2 stops11h 49m

$319

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Wed 12/9

7:26 pm-4:06 pm

2 stops18h 40m

Chicago Midway

Wed 12/16

10:40 am-8:05 am

2 stops23h 25m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Ontario to Chicago Midway Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ontario and Chicago Midway Airport?

Prices are currently typical for flights on this route.

Typical prices usually range from $276 to $576.
The lowest price recently found on this route was $286.

What is the cheapest month to fly to Chicago Midway Airport?

The month of February is, on average, the cheapest month to fly to Chicago Midway Airport from Ontario, with most prices found around $0. If you are unable to visit Chicago Midway Airport during the month of February, then departing from Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $347.

What is the cheapest day to depart on your flight to Chicago Midway Airport?

According to our data, Wednesday is the cheapest day to fly to Chicago Midway Airport from Ontario. The lowest ticket price found for a Wednesday departure recently was $439. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Monday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $520.

What is the cheapest time of day to depart on your flight to Chicago Midway Airport?

Flying to Chicago Midway Airport from Ontario at noon is the least expensive time of day to depart. momondo users have found prices as low as $406 when looking at flights departing at noon. Try not to purchase tickets in the evening because they tend to be around $490. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to Chicago Midway flight route?

Fly from Ontario to Chicago Midway for the best Ontario - Chicago Midway flight prices

What cabin class options are available on Ontario to Chicago Midway Airport flights?

There is only 1 cabin class available to choose from on Ontario to Chicago Midway Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ontario to Chicago Midway Airport flights?

You could potentially save up to 38% on your flight if you consider stops on a Ontario to Chicago Midway Airport flight.

How have Ontario to Chicago Midway Airport flight prices changed over time?

When to book flights from Ontario to Chicago Midway Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Chicago Midway Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Chicago Midway Airport (ONT to MDW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Chicago Midway Airport

Best Price Found

$134

Fastest flight time

3h 45m

Direct flights

Every day
The best one-way flight to Chicago Midway Airport from Ontario in the past 72 hours is $134. The best round-trip flight deal from Ontario to Chicago Midway Airport found on momondo in the last 72 hours is $286.
The fastest flight from Ontario to Chicago Midway Airport takes 3h 45m
Direct flights go from Ontario to Chicago Midway Airport every day.
Search flight deals

Frequently asked questions about flying from Ontario to Chicago Midway Airport

  • How far is Ontario to Chicago Midway by plane?

    A flight from Ontario to Chicago Midway will travel around 1703.8 mi. Typically, this will take 3h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Chicago Midway Airport?

    Prices for flights from Ontario Airport to Chicago Midway Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Chicago Midway Airport?

  • How old do you have to be to fly from Ontario Airport to Chicago Midway Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Chicago Midway Airport.

  • What documentation or ID do you need to fly to Chicago Midway Airport?

    The travel and health documents required for your trip to Chicago Midway Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago Midway Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ontario to Chicago Midway Airport?

  • What is the most popular airline from Ontario to Chicago Midway Airport?

Best airlines flying from Ontario to Chicago Midway Airport

Compare and see reviews for airlines that fly from Ontario to Chicago Midway Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $184Free CancellationRating
5.5
2,505 reviews
Search Frontier flights
SouthwestPriceFrom $253Free CancellationRating
8.0
4,219 reviews
Search Southwest flights

  • Southwest Flights From Ontario to Chicago Midway Airport

    Across 6 Southwest flights from Ontario to Chicago Midway Airport this week, the average price was $500, with the best Southwest deals starting from $253 round-trip. 4,219 users have rated Southwest on momondo, with an average score of 8.0/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Lansing
Benton Harbor
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Chicago. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Chicago?

Once you have performed a search for Ontario to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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