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Cheap flights from Chicago Midway Airport to Los Angeles from $121

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 5/27. 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.
Delta Logo
1:59 pm - 10:45 pm
MDW
-
ONT
10h 46m
2 stops
Delta Logo
5:24 pm - 9:14 am
ONT
-
MDW
13h 50m
2 stops
$259Delta
Sat, May 30 - Tue, Jun 9
Frontier Logo
3:07 pm - 7:11 pm
MDW
-
ONT
30h 04m
1 stop
Frontier Logo
6:00 am - 2:12 pm
ONT
-
MDW
30h 12m
2 stops
$299Frontier
Tue, May 12 - Tue, May 19
Southwest Logo
5:10 am - 11:05 am
MDW
-
ONT
7h 55m
1 stop
Southwest Logo
4:35 pm - 12:05 am
ONT
-
MDW
5h 30m
1 stop
$304Southwest
Sat, May 30 - Tue, Jun 9
Southwest Logo
6:10 am - 11:55 am
MDW
-
ONT
7h 45m
1 stop
Southwest Logo
7:55 pm - 5:45 am
ONT
-
MDW
7h 50m
1 stop
$309Southwest
Tue, May 12 - Tue, May 19
Southwest Logo
6:10 am - 11:55 am
MDW
-
ONT
7h 45m
1 stop
Southwest Logo
11:55 pm - 5:40 am
ONT
-
MDW
3h 45mnonstop
$318Southwest
Tue, May 12 - Tue, May 19
Frontier Logo
3:07 pm - 10:05 am
MDW
-
ONT
20h 58m
2 stops
Frontier Logo
9:15 am - 2:12 pm
ONT
-
MDW
26h 57m
1 stop
$321Frontier
Tue, May 5 - Sat, May 9
Southwest Logo
11:00 am - 1:15 pm
MDW
-
ONT
4h 15mnonstop
Southwest Logo
11:55 pm - 5:40 am
ONT
-
MDW
3h 45mnonstop
$327Southwest
Tue, May 12 - Tue, May 19
Delta Logo
1:22 pm - 11:34 pm
MDW
-
ONT
12h 12m
2 stops
Delta Logo
9:50 am - 9:09 pm
ONT
-
MDW
9h 19m
2 stops
$328Delta
Tue, May 12 - Tue, May 19
Southwest Logo
11:00 am - 1:15 pm
MDW
-
ONT
4h 15mnonstop
Southwest Logo
11:55 pm - 5:40 am
ONT
-
MDW
3h 45mnonstop
$329Southwest
Thu, May 28 - Fri, Jun 5
Frontier Logo
3:07 pm - 5:04 pm
MDW
-
ONT
27h 57m
1 stop
Frontier Logo
5:43 pm - 10:11 pm
ONT
-
MDW
26h 28m
2 stops
$338Frontier
Fri, May 29 - Tue, Jun 16

Delta flights from Chicago Midway Airport to Ontario

Our best Delta deals on Chicago Midway Airport to Ontario flight tickets
Delta
May 30
MDW1:59 pmChicago Midway
10h 46m
2 stops
ONT10:45 pmOntario
Jun 9
ONT5:24 pmOntario
13h 50m
2 stops
MDW9:14 amChicago Midway
$259
Delta
May 12
MDW1:22 pmChicago Midway
12h 12m
2 stops
ONT11:34 pmOntario
May 19
ONT9:50 amOntario
9h 19m
2 stops
MDW9:09 pmChicago Midway
$328
Delta
May 28
MDW9:22 amChicago Midway
8h 55m
2 stops
ONT4:17 pmOntario
Jun 5
ONT10:00 pmOntario
12h 42m
2 stops
MDW12:42 pmChicago Midway
$359

Frontier flights from Chicago Midway Airport to Ontario

Our best Frontier deals on Chicago Midway Airport to Ontario flight tickets
Frontier
May 12
MDW3:07 pmChicago Midway
30h 04m
1 stop
ONT7:11 pmOntario
May 19
ONT6:00 amOntario
30h 12m
2 stops
MDW2:12 pmChicago Midway
$299
Frontier
May 5
MDW3:07 pmChicago Midway
20h 58m
2 stops
ONT10:05 amOntario
May 9
ONT9:15 amOntario
26h 57m
1 stop
MDW2:12 pmChicago Midway
$321
Frontier
May 29
MDW3:07 pmChicago Midway
27h 57m
1 stop
ONT5:04 pmOntario
Jun 16
ONT5:43 pmOntario
26h 28m
2 stops
MDW10:11 pmChicago Midway
$338

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 April 22, 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

Sat 5/30

1:59 pm-10:45 pm

2 stops10h 46m

Ontario

Tue 6/9

5:24 pm-9:14 am

2 stops13h 50m

$259

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 5/12

3:07 pm-7:11 pm

1 stop30h 04m

Ontario

Tue 5/19

6:00 am-2:12 pm

2 stops30h 12m

$299

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 5/30

5:10 am-11:05 am

1 stop7h 55m

Ontario

Tue 6/9

4:35 pm-12:05 am

1 stop5h 30m

$304

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 5/12

6:10 am-11:55 am

1 stop7h 45m

Ontario

Tue 5/19

7:55 pm-5:45 am

1 stop7h 50m

$309

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 5/12

6:10 am-11:55 am

1 stop7h 45m

Ontario

Tue 5/19

11:55 pm-5:40 am

Nonstop3h 45m

$318

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 5/5

3:07 pm-10:05 am

2 stops20h 58m

Ontario

Sat 5/9

9:15 am-2:12 pm

1 stop26h 57m

$321
Quickest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 5/12

11:00 am-1:15 pm

Nonstop4h 15m

Ontario

Tue 5/19

11:55 pm-5:40 am

Nonstop3h 45m

$327

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 5/12

1:22 pm-11:34 pm

2 stops12h 12m

Ontario

Tue 5/19

9:50 am-9:09 pm

2 stops9h 19m

$328

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 5/28

11:00 am-1:15 pm

Nonstop4h 15m

Ontario

Fri 6/5

11:55 pm-5:40 am

Nonstop3h 45m

$329

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 5/29

3:07 pm-5:04 pm

1 stop27h 57m

Ontario

Tue 6/16

5:43 pm-10:11 pm

2 stops26h 28m

$338

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 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 $601.

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

At noon is the cheapest time of day to fly from Chicago Midway Airport to Ontario when you can find flight prices for as low as $379. Flying to Ontario at noon 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 afternoon when prices are $542 on average. Flights to Ontario from Chicago Midway Airport in the afternoon 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?

No. A direct flight is the cheapest option for a flight between Chicago Midway Airport to Ontario.

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

$255

Fastest flight time

4h 05m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Chicago Midway Airport in the past 72 hours is $255. The best round-trip flight deal from Chicago Midway Airport to Ontario found on momondo in the last 72 hours is $372.
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 $300Free CancellationRating
8.0
4,330 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 $300. Generally, Southwest has 5 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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