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Cheap flights from Chicago Midway Airport to Los Angeles from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago Midway Airport to Los Angeles departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Chicago Midway Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:25 am - 9:15 am
MDW
-
ONT
5h 50m
1 stop
Southwest Logo
11:55 pm - 5:40 am
ONT
-
MDW
3h 45mnonstop
$249Southwest
Wed, Jul 1 - Tue, Jul 7
Southwest Logo
6:00 pm - 8:10 pm
MDW
-
ONT
4h 10mnonstop
Southwest Logo
11:55 pm - 5:45 am
ONT
-
MDW
3h 50mnonstop
$255Southwest
Sat, Aug 15 - Wed, Aug 19
Southwest Logo
6:20 am - 11:30 am
MDW
-
ONT
7h 10m
1 stop
Southwest Logo
8:55 pm - 5:00 am
ONT
-
MDW
6h 05m
1 stop
$259Southwest
Wed, Jul 1 - Tue, Jul 7
Southwest Logo
5:25 am - 9:15 am
MDW
-
ONT
5h 50m
1 stop
Southwest Logo
5:15 am - 2:35 pm
ONT
-
MDW
7h 20m
2 stops
$264Southwest
Wed, Jul 1 - Wed, Jul 8
Southwest Logo
6:00 pm - 8:10 pm
MDW
-
ONT
4h 10mnonstop
Southwest Logo
7:45 am - 3:05 pm
ONT
-
MDW
5h 20m
1 stop
$265Southwest
Sat, Aug 15 - Wed, Aug 19
Southwest Logo
10:05 am - 4:00 pm
MDW
-
ONT
7h 55m
2 stops
Southwest Logo
11:55 pm - 5:45 am
ONT
-
MDW
3h 50mnonstop
$270Southwest
Sat, Aug 15 - Wed, Aug 19
Southwest Logo
3:50 pm - 10:00 pm
MDW
-
ONT
8h 10m
1 stop
Southwest Logo
10:15 am - 5:35 pm
ONT
-
MDW
5h 20m
1 stop
$275Southwest
Wed, Aug 19 - Sat, Aug 22
Delta Logo
1:47 pm - 11:37 pm
MDW
-
ONT
11h 50m
2 stops
Delta Logo
10:00 pm - 9:53 am
ONT
-
MDW
9h 53m
1 stop
$280Delta
Wed, Sep 16 - Thu, Sep 17
Southwest Logo
5:25 pm - 7:35 pm
MDW
-
ONT
4h 10mnonstop
Southwest Logo
10:15 am - 5:35 pm
ONT
-
MDW
5h 20m
1 stop
$281Southwest
Wed, Aug 19 - Sat, Aug 22
Delta Logo
1:47 pm - 11:37 pm
MDW
-
ONT
11h 50m
2 stops
Delta Logo
6:00 pm - 8:50 am
ONT
-
MDW
12h 50m
2 stops
$285Delta
Wed, Sep 16 - Thu, Sep 17

Southwest flights from Chicago Midway Airport to Ontario

Our best Southwest deals on Chicago Midway Airport to Ontario flight tickets
Southwest
Jul 1
MDW5:25 amChicago Midway
5h 50m
1 stop
ONT9:15 amOntario
Jul 7
ONT11:55 pmOntario
3h 45m
MDW5:40 amChicago Midway
$249
Southwest
Aug 15
MDW6:00 pmChicago Midway
4h 10m
ONT8:10 pmOntario
Aug 19
ONT11:55 pmOntario
3h 50m
MDW5:45 amChicago Midway
$255
Southwest
Jul 1
MDW6:20 amChicago Midway
7h 10m
1 stop
ONT11:30 amOntario
Jul 7
ONT8:55 pmOntario
6h 05m
1 stop
MDW5:00 amChicago Midway
$259

Delta flights from Chicago Midway Airport to Ontario

Our best Delta deals on Chicago Midway Airport to Ontario flight tickets
Delta
Sep 16
MDW1:47 pmChicago Midway
11h 50m
2 stops
ONT11:37 pmOntario
Sep 17
ONT10:00 pmOntario
9h 53m
1 stop
MDW9:53 amChicago Midway
$280
Delta
Sep 16
MDW1:47 pmChicago Midway
11h 50m
2 stops
ONT11:37 pmOntario
Sep 17
ONT6:00 pmOntario
12h 50m
2 stops
MDW8:50 amChicago Midway
$285
Delta
Aug 27
MDW1:51 pmChicago Midway
11h 43m
2 stops
ONT11:34 pmOntario
Aug 29
ONT12:00 pmOntario
8h 36m
1 stop
MDW10:36 pmChicago Midway
$296

momondo Fare Finder

 
Customize your flight search to find flights from Chicago Midway Airport to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 3, 2026.
Use the filters below to find and compare flights from Chicago Midway Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 7/1

5:25 am-9:15 am

1 stop5h 50m

Ontario

Tue 7/7

11:55 pm-5:40 am

Nonstop3h 45m

$249
Quickest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 8/15

6:00 pm-8:10 pm

Nonstop4h 10m

Ontario

Wed 8/19

11:55 pm-5:45 am

Nonstop3h 50m

$255

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 7/1

6:20 am-11:30 am

1 stop7h 10m

Ontario

Tue 7/7

8:55 pm-5:00 am

1 stop6h 05m

$259

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 7/1

5:25 am-9:15 am

1 stop5h 50m

Ontario

Wed 7/8

5:15 am-2:35 pm

2 stops7h 20m

$264

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 8/15

6:00 pm-8:10 pm

Nonstop4h 10m

Ontario

Wed 8/19

7:45 am-3:05 pm

1 stop5h 20m

$265

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 8/15

10:05 am-4:00 pm

2 stops7h 55m

Ontario

Wed 8/19

11:55 pm-5:45 am

Nonstop3h 50m

$270

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 8/19

3:50 pm-10:00 pm

1 stop8h 10m

Ontario

Sat 8/22

10:15 am-5:35 pm

1 stop5h 20m

$275

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 9/16

1:47 pm-11:37 pm

2 stops11h 50m

Ontario

Thu 9/17

10:00 pm-9:53 am

1 stop9h 53m

$280

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 8/19

5:25 pm-7:35 pm

Nonstop4h 10m

Ontario

Sat 8/22

10:15 am-5:35 pm

1 stop5h 20m

$281

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 9/16

1:47 pm-11:37 pm

2 stops11h 50m

Ontario

Thu 9/17

6:00 pm-8:50 am

2 stops12h 50m

$285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago Midway Airport to Ontario

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 Chicago Midway Airport and Ontario?

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Chicago Midway Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of February, then book flights to Ontario from Chicago Midway Airport during October instead. Flights to Ontario in October, while not as cheap as those in February, still average around $279.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $434. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Chicago Midway Airport to Ontario for around $648.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Chicago Midway Airport to Ontario when you can find flight prices for as low as $418. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $534 on average. Flights to Ontario from Chicago Midway Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago Midway to Ontario flight route?

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

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

There is only 1 cabin class available to choose from on Chicago Midway Airport to Ontario 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 Chicago Midway Airport to Ontario flights?

You could potentially save up to 9% on your flight if you consider stops on a Chicago Midway Airport to Ontario flight.

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

When to book flights from Chicago Midway Airport to Ontario

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

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

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

Best Price Found

$284

Fastest flight time

4h 05m

Direct flights

Every day

Airports in Ontario

1 airport
The best flight deal from Chicago Midway Airport to Ontario found on momondo in the last 72 hours is $284
The fastest flight from Chicago Midway Airport to Ontario takes 4h 05m
Direct flights go from Chicago Midway Airport to Ontario every day.
There is 1 airport in Ontario. From Chicago Midway Airport there are direct flights to Ontario (ONT).
Search flight deals

Frequently asked questions about flying from Chicago Midway Airport to Ontario

  • How far is Chicago Midway to Ontario by plane?

    Chicago Midway and Ontario are 1703.8 mi apart from one another. 4h 05m is a normal flight duration for this route.

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

    Prices for flights from Chicago Midway Airport to Ontario Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago Midway Airport to Ontario Airport.

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

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Chicago Midway Airport to Ontario

Compare and see reviews for airlines that fly from Chicago Midway Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $314Free CancellationRating
8.0
4,255 reviews
Search Southwest flights

  • Southwest Flights From Chicago Midway Airport to Ontario

    The lowest priced Southwest flight from Chicago Midway Airport to Ontario from the last 72 hours was $314. Generally, Southwest has 2 flights on this route every week with an average price of $511. Southwest is rated 8.0/10 by our users.

Why use momondo?

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

Finding the right flight to Ontario from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Flights from Chicago to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Chicago to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Chicago and alert you when they change.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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