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Cheap flights from Ontario to Chicago from $120

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.
Frontier Logo
8:03 pm - 11:25 amONT  Ontario-MDW Chicago Midway
13h 22m1 stop Dallas/Fort Worth
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
$219Frontier
Fri, Oct 30 - Thu, Nov 5
Frontier Logo
8:03 pm - 11:25 amONT  Ontario-MDW Chicago Midway
13h 22m1 stop Dallas/Fort Worth
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
$235Frontier
Fri, Oct 30 - Mon, Nov 2
Frontier Logo
8:03 pm - 11:25 amONT  Ontario-MDW Chicago Midway
13h 22m1 stop Dallas/Fort Worth
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
$238Frontier
Sun, Nov 1 - Thu, Nov 5
Frontier Logo
8:03 pm - 11:25 amONT  Ontario-MDW Chicago Midway
13h 22m1 stop Dallas/Fort Worth
Frontier Logo
12:20 pm - 7:08 pmMDW  Chicago Midway-ONT Ontario
8h 48m1 stop Dallas/Fort Worth
$238Frontier
Fri, Oct 30 - Thu, Nov 5
Southwest Logo
11:55 pm - 5:40 amONT  Ontario-MDW Chicago Midway
3h 45mnonstop
Southwest Logo
3:30 pm - 5:45 pmMDW  Chicago Midway-ONT Ontario
4h 15mnonstop
$239Southwest
Mon, Oct 26 - Wed, Oct 28
Southwest Logo
10:55 am - 4:40 pmONT  Ontario-MDW Chicago Midway
3h 45mnonstop
Southwest Logo
3:55 pm - 6:15 pmMDW  Chicago Midway-ONT Ontario
4h 20mnonstop
$239Southwest
Tue, Dec 8 - Wed, Dec 16
Southwest Logo
11:55 pm - 5:40 amONT  Ontario-MDW Chicago Midway
3h 45mnonstop
Southwest Logo
7:00 pm - 9:25 pmMDW  Chicago Midway-ONT Ontario
4h 25mnonstop
$239Southwest
Sat, Oct 17 - Sat, Oct 24
Delta Logo
12:16 pm - 10:33 pmONT  Ontario-MDW Chicago Midway
8h 17m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:49 pm - 8:25 pmMDW  Chicago Midway-ONT Ontario
9h 36m1 stop Atlanta Hartsfield-Jackson
$259Delta
Tue, Oct 20 - Wed, Oct 28
Delta Logo
12:16 pm - 10:33 pmONT  Ontario-MDW Chicago Midway
8h 17m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:33 am - 7:30 pmMDW  Chicago Midway-ONT Ontario
9h 57m1 stop Atlanta Hartsfield-Jackson
$259Delta
Sat, Oct 31 - Sat, Nov 7
Delta Logo
12:16 pm - 10:33 pmONT  Ontario-MDW Chicago Midway
8h 17m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:12 am - 4:23 pmMDW  Chicago Midway-ONT Ontario
8h 11m2 stops Minneapolis St Paul Salt Lake City
$264Delta
Sat, Oct 31 - Tue, Nov 3

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Frontier flights from Ontario to Chicago Midway Airport

Our best Frontier deals on Ontario to Chicago Midway Airport flight tickets
Frontier
Oct 30
ONT8:03 pmOntario
13h 22m
1 stop
MDW11:25 amChicago Midway
Nov 5
MDW12:20 pmChicago Midway
8h 48m
1 stop
ONT7:08 pmOntario
$219
Frontier
Oct 30
ONT8:03 pmOntario
13h 22m
1 stop
MDW11:25 amChicago Midway
Nov 2
MDW12:20 pmChicago Midway
8h 48m
1 stop
ONT7:08 pmOntario
$235
Frontier
Oct 30
ONT8:03 pmOntario
13h 22m
1 stop
MDW11:25 amChicago Midway
Nov 2
MDW12:20 pmChicago Midway
8h 48m
1 stop
ONT7:08 pmOntario
$238

Southwest flights from Ontario to Chicago Midway Airport

Our best Southwest deals on Ontario to Chicago Midway Airport flight tickets
Southwest
Oct 17
ONT11:55 pmOntario
3h 45m
MDW5:40 amChicago Midway
Oct 24
MDW7:00 pmChicago Midway
4h 25m
ONT9:25 pmOntario
$239
Southwest
Oct 19
ONT11:55 pmOntario
3h 45m
MDW5:40 amChicago Midway
Oct 27
MDW4:45 pmChicago Midway
6h 05m
1 stop
ONT8:50 pmOntario
$245
Southwest
Oct 17
ONT11:55 pmOntario
3h 45m
MDW5:40 amChicago Midway
Oct 24
MDW12:50 pmChicago Midway
7h 10m
1 stop
ONT6:00 pmOntario
$249

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Fri 10/30

8:03 pm-11:25 am

1 stop13h 22m

Chicago Midway

Thu 11/5

12:20 pm-7:08 pm

1 stop8h 48m

$219

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Fri 10/30

8:03 pm-11:25 am

1 stop13h 22m

Chicago Midway

Mon 11/2

12:20 pm-7:08 pm

1 stop8h 48m

$235

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Sun 11/1

8:03 pm-11:25 am

1 stop13h 22m

Chicago Midway

Thu 11/5

12:20 pm-7:08 pm

1 stop8h 48m

$238

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Fri 10/30

8:03 pm-11:25 am

1 stop13h 22m

Chicago Midway

Thu 11/5

12:20 pm-7:08 pm

1 stop8h 48m

$238
Quickest round-trip

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Mon 10/26

11:55 pm-5:40 am

Nonstop3h 45m

Chicago Midway

Wed 10/28

3:30 pm-5:45 pm

Nonstop4h 15m

$239

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Tue 12/8

10:55 am-4:40 pm

Nonstop3h 45m

Chicago Midway

Wed 12/16

3:55 pm-6:15 pm

Nonstop4h 20m

$239

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Sat 10/17

11:55 pm-5:40 am

Nonstop3h 45m

Chicago Midway

Sat 10/24

7:00 pm-9:25 pm

Nonstop4h 25m

$239

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Tue 10/20

12:16 pm-10:33 pm

1 stop8h 17m

Chicago Midway

Wed 10/28

12:49 pm-8:25 pm

1 stop9h 36m

$259

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Sat 10/31

12:16 pm-10:33 pm

1 stop8h 17m

Chicago Midway

Sat 11/7

11:33 am-7:30 pm

1 stop9h 57m

$259

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Sat 10/31

12:16 pm-10:33 pm

1 stop8h 17m

Chicago Midway

Tue 11/3

10:12 am-4:23 pm

2 stops8h 11m

$264

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 low for flights on this route.

Typical prices usually range from $476 to $565.
The lowest price recently found on this route was $219.

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

The month of December is, on average, the cheapest month to fly to Chicago Midway Airport from Ontario, with most prices found around $232. If you are unable to visit Chicago Midway Airport during the month of December, 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 $419. 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, Sunday 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 $495.

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

Flying to Chicago Midway Airport from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $394 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $463. 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 17% 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

$120

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 $120. The best round-trip flight deal from Ontario to Chicago Midway Airport found on momondo in the last 72 hours is $219.
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 $160Free CancellationRating
5.6
2,606 reviews
Search Frontier flights
SouthwestPriceFrom $254Free CancellationRating
8.0
4,191 reviews
Search Southwest flights

  • Southwest Flights From Ontario to Chicago Midway Airport

    Across 7 Southwest flights from Ontario to Chicago Midway Airport this week, the average price was $510, with the best Southwest deals starting from $254 round-trip. 4,191 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
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Porter
Crown Point
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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