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Cheap flights from Chicago Midway Airport to Los Angeles from $94

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 4/16. 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.
Frontier Logo
4:15 pm - 11:55 pm
MDW
-
ONT
9h 40m
1 stop
Frontier Logo
6:15 am - 9:37 pm
ONT
-
MDW
13h 22m
1 stop
$190Frontier
Thu, Apr 16 - Fri, Apr 17
Frontier Logo
5:11 pm - 11:08 pm
MDW
-
ONT
7h 57m
1 stop
Frontier Logo
6:15 am - 9:37 pm
ONT
-
MDW
13h 22m
1 stop
$211Frontier
Mon, Apr 13 - Fri, Apr 17
Frontier Logo
5:11 pm - 6:45 pm
MDW
-
ONT
27h 34m
1 stop
Frontier Logo
6:15 am - 10:21 pm
ONT
-
MDW
14h 06m
1 stop
$269Frontier
Thu, Apr 9 - Thu, Apr 16
Frontier Logo
5:11 pm - 6:45 pm
MDW
-
ONT
27h 34m
1 stop
Frontier Logo
12:59 am - 10:21 pm
ONT
-
MDW
19h 22m
2 stops
$277Frontier
Thu, Apr 9 - Wed, Apr 15
Frontier Logo
7:15 am - 6:22 pm
MDW
-
ONT
13h 07m
2 stops
Frontier Logo
4:00 pm - 10:25 am
ONT
-
MDW
16h 25m
1 stop
$281Frontier
Wed, Mar 4 - Tue, Mar 17
Frontier Logo
6:00 am - 11:55 pm
MDW
-
ONT
19h 55m
2 stops
Frontier Logo
6:15 am - 10:21 pm
ONT
-
MDW
14h 06m
1 stop
$283Frontier
Sat, May 9 - Mon, May 18
Frontier Logo
5:11 pm - 6:45 pm
MDW
-
ONT
27h 34m
1 stop
Frontier Logo
5:33 pm - 10:14 pm
ONT
-
MDW
26h 41m
2 stops
$289Frontier
Fri, Apr 10 - Fri, Apr 17
Frontier Logo
5:11 pm - 6:45 pm
MDW
-
ONT
27h 34m
1 stop
Frontier Logo
8:21 am - 10:19 pm
ONT
-
MDW
11h 58m
2 stops
$292Frontier
Fri, Apr 10 - Sun, Apr 19
Frontier Logo
11:25 am - 11:59 pm
MDW
-
ONT
14h 34m
2 stops
Frontier Logo
7:09 pm - 8:21 pm
ONT
-
MDW
23h 12m
1 stop
$293Frontier
Wed, Mar 11 - Fri, Mar 13
Frontier Logo
5:11 pm - 6:45 pm
MDW
-
ONT
27h 34m
1 stop
Frontier Logo
6:15 am - 9:37 pm
ONT
-
MDW
13h 22m
1 stop
$294Frontier
Fri, Apr 10 - Fri, Apr 17

Frontier flights from Chicago Midway Airport to Ontario

Our best Frontier deals on Chicago Midway Airport to Ontario flight tickets
Frontier
Apr 16
MDW4:15 pmChicago Midway
9h 40m
1 stop
ONT11:55 pmOntario
Apr 17
ONT6:15 amOntario
13h 22m
1 stop
MDW9:37 pmChicago Midway
$190
Frontier
Apr 13
MDW5:11 pmChicago Midway
7h 57m
1 stop
ONT11:08 pmOntario
Apr 17
ONT6:15 amOntario
13h 22m
1 stop
MDW9:37 pmChicago Midway
$211
Frontier
Apr 9
MDW5:11 pmChicago Midway
27h 34m
1 stop
ONT6:45 pmOntario
Apr 16
ONT6:15 amOntario
14h 06m
1 stop
MDW10:21 pmChicago Midway
$269

Southwest flights from Chicago Midway Airport to Ontario

Our best Southwest deals on Chicago Midway Airport to Ontario flight tickets
Southwest
Apr 30
MDW11:00 amChicago Midway
4h 15m
ONT1:15 pmOntario
May 5
ONT11:55 pmOntario
3h 45m
MDW5:40 amChicago Midway
$335
Southwest
Mar 18
MDW10:20 amChicago Midway
4h 20m
ONT12:40 pmOntario
Mar 25
ONT11:55 pmOntario
3h 45m
MDW5:40 amChicago Midway
$337
Southwest
Mar 18
MDW5:55 amChicago Midway
6h 00m
1 stop
ONT9:55 amOntario
Mar 25
ONT11:55 pmOntario
3h 45m
MDW5:40 amChicago Midway
$340

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 February 20, 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

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 4/16

4:15 pm-11:55 pm

1 stop9h 40m

Ontario

Fri 4/17

6:15 am-9:37 pm

1 stop13h 22m

$190

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Mon 4/13

5:11 pm-11:08 pm

1 stop7h 57m

Ontario

Fri 4/17

6:15 am-9:37 pm

1 stop13h 22m

$211

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 4/9

5:11 pm-6:45 pm

1 stop27h 34m

Ontario

Thu 4/16

6:15 am-10:21 pm

1 stop14h 06m

$269

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 4/9

5:11 pm-6:45 pm

1 stop27h 34m

Ontario

Wed 4/15

12:59 am-10:21 pm

2 stops19h 22m

$277

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 3/4

7:15 am-6:22 pm

2 stops13h 07m

Ontario

Tue 3/17

4:00 pm-10:25 am

1 stop16h 25m

$281

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 5/9

6:00 am-11:55 pm

2 stops19h 55m

Ontario

Mon 5/18

6:15 am-10:21 pm

1 stop14h 06m

$283

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 4/10

5:11 pm-6:45 pm

1 stop27h 34m

Ontario

Fri 4/17

5:33 pm-10:14 pm

2 stops26h 41m

$289

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 4/10

5:11 pm-6:45 pm

1 stop27h 34m

Ontario

Sun 4/19

8:21 am-10:19 pm

2 stops11h 58m

$292

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 3/11

11:25 am-11:59 pm

2 stops14h 34m

Ontario

Fri 3/13

7:09 pm-8:21 pm

1 stop23h 12m

$293

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 4/10

5:11 pm-6:45 pm

1 stop27h 34m

Ontario

Fri 4/17

6:15 am-9:37 pm

1 stop13h 22m

$294

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 cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $436. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago Midway Airport to Ontario for around $539.

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 morning when prices are $511 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 to Ontario flights?

There is only 1 cabin class available to choose from on Chicago Midway 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 50% 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

$154

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 $154. The best round-trip flight deal from Chicago Midway Airport to Ontario found on momondo in the last 72 hours is $387.
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

  • 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 $282Free CancellationRating
8.0
4,298 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 $282. Generally, Southwest has 14 flights on this route every week with an average price of $447. 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

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