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Cheap flights from Chicago Midway Airport to Los Angeles from $110

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 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
5:30 am - 9:35 am
MDW
-
ONT
6h 05m
1 stop
Southwest Logo
11:55 pm - 5:40 am
ONT
-
MDW
3h 45mnonstop
$229Southwest
Tue, Jul 21 - Tue, Jul 28
Southwest Logo
5:30 am - 9:35 am
MDW
-
ONT
6h 05m
1 stop
Southwest Logo
8:25 pm - 5:25 am
ONT
-
MDW
7h 00m
1 stop
$239Southwest
Tue, Jul 21 - Tue, Jul 28
Southwest Logo
3:50 pm - 10:00 pm
MDW
-
ONT
8h 10m
1 stop
Southwest Logo
6:50 am - 5:10 pm
ONT
-
MDW
8h 20m
2 stops
$244Southwest
Tue, Aug 4 - Tue, Aug 11
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
$278Delta
Wed, Sep 16 - Thu, Sep 17
Delta Logo
1:47 pm - 11:37 pm
MDW
-
ONT
11h 50m
2 stops
Delta Logo
10:00 pm - 1:07 pm
ONT
-
MDW
13h 07m
2 stops
$283Delta
Wed, Sep 16 - Thu, Sep 17
Southwest Logo
7:10 am - 1:25 pm
MDW
-
ONT
8h 15m
1 stop
Southwest Logo
11:55 pm - 5:45 am
ONT
-
MDW
3h 50mnonstop
$297Southwest
Thu, Sep 24 - Mon, Sep 28
Delta Logo
10:56 am - 6:29 pm
MDW
-
ONT
9h 33m
1 stop
Delta Logo
12:00 pm - 10:36 pm
ONT
-
MDW
8h 36m
1 stop
$299Delta
Sat, Aug 22 - Wed, Aug 26
Delta Logo
1:00 pm - 10:14 pm
MDW
-
ONT
11h 14m
2 stops
Delta Logo
10:59 pm - 9:52 am
ONT
-
MDW
8h 53m
1 stop
$304Delta
Thu, Nov 5 - Tue, Nov 10
Southwest Logo
7:10 am - 1:25 pm
MDW
-
ONT
8h 15m
1 stop
Southwest Logo
11:00 am - 8:10 pm
ONT
-
MDW
7h 10m
1 stop
$307Southwest
Thu, Sep 24 - Mon, Sep 28
Southwest Logo
3:50 pm - 5:55 pm
MDW
-
ONT
4h 05mnonstop
Southwest Logo
11:55 pm - 5:40 am
ONT
-
MDW
3h 45mnonstop
$308Southwest
Wed, Jul 22 - Tue, Jul 28

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
$278
Delta
Sep 16
MDW1:47 pmChicago Midway
11h 50m
2 stops
ONT11:37 pmOntario
Sep 17
ONT10:00 pmOntario
13h 07m
2 stops
MDW1:07 pmChicago Midway
$283
Delta
Aug 22
MDW10:56 amChicago Midway
9h 33m
1 stop
ONT6:29 pmOntario
Aug 26
ONT12:00 pmOntario
8h 36m
1 stop
MDW10:36 pmChicago Midway
$299

Southwest flights from Chicago Midway Airport to Ontario

Our best Southwest deals on Chicago Midway Airport to Ontario flight tickets
Southwest
Jul 21
MDW5:30 amChicago Midway
6h 05m
1 stop
ONT9:35 amOntario
Jul 28
ONT11:55 pmOntario
3h 45m
MDW5:40 amChicago Midway
$229
Southwest
Jul 21
MDW5:30 amChicago Midway
6h 05m
1 stop
ONT9:35 amOntario
Jul 28
ONT8:25 pmOntario
7h 00m
1 stop
MDW5:25 amChicago Midway
$239
Southwest
Aug 4
MDW3:50 pmChicago Midway
8h 10m
1 stop
ONT10:00 pmOntario
Aug 11
ONT6:50 amOntario
8h 20m
2 stops
MDW5:10 pmChicago Midway
$244

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 May 27, 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

Tue 7/21

5:30 am-9:35 am

1 stop6h 05m

Ontario

Tue 7/28

11:55 pm-5:40 am

Nonstop3h 45m

$229

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 7/21

5:30 am-9:35 am

1 stop6h 05m

Ontario

Tue 7/28

8:25 pm-5:25 am

1 stop7h 00m

$239

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 8/4

3:50 pm-10:00 pm

1 stop8h 10m

Ontario

Tue 8/11

6:50 am-5:10 pm

2 stops8h 20m

$244

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

$278

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-1:07 pm

2 stops13h 07m

$283

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 9/24

7:10 am-1:25 pm

1 stop8h 15m

Ontario

Mon 9/28

11:55 pm-5:45 am

Nonstop3h 50m

$297

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 8/22

10:56 am-6:29 pm

1 stop9h 33m

Ontario

Wed 8/26

12:00 pm-10:36 pm

1 stop8h 36m

$299

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 11/5

1:00 pm-10:14 pm

2 stops11h 14m

Ontario

Tue 11/10

10:59 pm-9:52 am

1 stop8h 53m

$304

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 9/24

7:10 am-1:25 pm

1 stop8h 15m

Ontario

Mon 9/28

11:00 am-8:10 pm

1 stop7h 10m

$307
Quickest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 7/22

3:50 pm-5:55 pm

Nonstop4h 05m

Ontario

Tue 7/28

11:55 pm-5:40 am

Nonstop3h 45m

$308

Flights are sorted by cheapest round-trip flights 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 $537 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

Fastest flight time

4h 05m

Direct flights

Every day

Airports in Ontario

1 airport
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
7.9
4,265 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 5 flights on this route every week with an average price of $511. Southwest is rated 7.9/10 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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