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Cheap flights from Chicago Midway Airport to Los Angeles from $89

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 4/11. 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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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.
Frontier Logo
3:00 pm - 11:56 pm
MDW
-
ONT
10h 56m1 stop
Frontier Logo
8:02 am - 5:20 pm
ONT
-
MDW
7h 18m1 stop
$203Frontier
Mon, Jan 12 - Thu, Jan 15
Frontier Logo
11:05 am - 7:01 pm
MDW
-
ONT
9h 56m1 stop
Frontier Logo
8:32 am - 5:20 pm
ONT
-
MDW
6h 48m1 stop
$212Frontier
Thu, Jan 15 - Sun, Jan 18
Frontier Logo
11:05 am - 7:01 pm
MDW
-
ONT
9h 56m1 stop
Frontier Logo
8:32 am - 5:20 pm
ONT
-
MDW
6h 48m1 stop
$217Frontier
Thu, Jan 15 - Sun, Jan 18
Frontier Logo
3:05 pm - 11:56 pm
MDW
-
ONT
10h 51m1 stop
Frontier Logo
6:00 am - 2:05 pm
ONT
-
MDW
6h 05m1 stop
$218Frontier
Fri, Jan 9 - Mon, Jan 12
Frontier Logo
3:05 pm - 11:56 pm
MDW
-
ONT
10h 51m1 stop
Frontier Logo
8:32 am - 5:20 pm
ONT
-
MDW
6h 48m1 stop
$231Frontier
Fri, Jan 9 - Sun, Jan 18
Frontier Logo
9:15 am - 11:59 pm
MDW
-
ONT
16h 44m2 stops
Frontier Logo
2:06 pm - 3:49 pm
ONT
-
MDW
23h 43m1 stop
$238Frontier
Mon, Jan 19 - Thu, Jan 22
Frontier Logo
3:00 pm - 11:56 pm
MDW
-
ONT
10h 56m1 stop
Frontier Logo
3:07 pm - 12:05 pm
ONT
-
MDW
18h 58m2 stops
$252Frontier
Mon, Jan 12 - Tue, Jan 20
Frontier Logo
11:05 am - 7:01 pm
MDW
-
ONT
9h 56m1 stop
Frontier Logo
3:07 pm - 12:05 pm
ONT
-
MDW
18h 58m2 stops
$256Frontier
Sun, Jan 18 - Tue, Jan 27
Frontier Logo
3:05 pm - 11:56 pm
MDW
-
ONT
10h 51m1 stop
Frontier Logo
6:10 am - 7:54 pm
ONT
-
MDW
11h 44m1 stop
$286Frontier
Fri, Jan 9 - Fri, Jan 16
Frontier Logo
9:09 pm - 10:59 pm
MDW
-
ONT
27h 50m1 stop
Frontier Logo
8:32 am - 5:20 pm
ONT
-
MDW
6h 48m1 stop
$287Frontier
Fri, Jan 16 - Sun, Jan 18

Delta flights from Chicago Midway Airport to Ontario

Our best Delta deals on Chicago Midway Airport to Ontario flight tickets
Delta
Jan 20
MDW6:00 amChicago Midway
7h 31m
1 stop
ONT11:31 amOntario
Jan 27
ONT10:30 pmOntario
9h 23m
1 stop
MDW9:53 amChicago Midway
$355
Find similar
Delta
Jan 20
MDW1:31 pmChicago Midway
9h 34m
2 stops
ONT9:05 pmOntario
Jan 27
ONT10:30 pmOntario
9h 23m
1 stop
MDW9:53 amChicago Midway
$360
Find similar
Delta
Feb 24
MDW6:00 amChicago Midway
8h 02m
1 stop
ONT12:02 pmOntario
Mar 9
ONT5:53 pmOntario
12h 57m
2 stops
MDW8:50 amChicago Midway
$364
Find similar

Southwest flights from Chicago Midway Airport to Ontario

Our best Southwest deals on Chicago Midway Airport to Ontario flight tickets
Southwest
Jan 12
MDW8:10 amChicago Midway
4h 30m
ONT10:40 amOntario
Jan 20
ONT6:50 amOntario
3h 50m
MDW12:40 pmChicago Midway
$396
Find similar
Southwest
Jan 12
MDW11:10 amChicago Midway
6h 55m
1 stop
ONT4:05 pmOntario
Jan 20
ONT6:50 amOntario
3h 50m
MDW12:40 pmChicago Midway
$402
Find similar
Southwest
Jan 12
MDW11:10 amChicago Midway
6h 55m
1 stop
ONT4:05 pmOntario
Jan 20
ONT9:00 pmOntario
6h 05m
1 stop
MDW5:05 amChicago Midway
$411
Find similar

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 December 23, 2025.
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

Mon 1/12

3:00 pm-11:56 pm

1 stop10h 56m

Ontario

Thu 1/15

8:02 am-5:20 pm

1 stop7h 18m

$203

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 1/15

11:05 am-7:01 pm

1 stop9h 56m

Ontario

Sun 1/18

8:32 am-5:20 pm

1 stop6h 48m

$212

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 1/15

11:05 am-7:01 pm

1 stop9h 56m

Ontario

Sun 1/18

8:32 am-5:20 pm

1 stop6h 48m

$217

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 1/9

3:05 pm-11:56 pm

1 stop10h 51m

Ontario

Mon 1/12

6:00 am-2:05 pm

1 stop6h 05m

$218

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 1/9

3:05 pm-11:56 pm

1 stop10h 51m

Ontario

Sun 1/18

8:32 am-5:20 pm

1 stop6h 48m

$231

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Mon 1/19

9:15 am-11:59 pm

2 stops16h 44m

Ontario

Thu 1/22

2:06 pm-3:49 pm

1 stop23h 43m

$238

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Mon 1/12

3:00 pm-11:56 pm

1 stop10h 56m

Ontario

Tue 1/20

3:07 pm-12:05 pm

2 stops18h 58m

$252

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sun 1/18

11:05 am-7:01 pm

1 stop9h 56m

Ontario

Tue 1/27

3:07 pm-12:05 pm

2 stops18h 58m

$256

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 1/9

3:05 pm-11:56 pm

1 stop10h 51m

Ontario

Fri 1/16

6:10 am-7:54 pm

1 stop11h 44m

$286

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 1/16

9:09 pm-10:59 pm

1 stop27h 50m

Ontario

Sun 1/18

8:32 am-5:20 pm

1 stop6h 48m

$287

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 month to fly to Ontario?

In general, January 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 $214. If you aren’t able to travel during the month of January, then book flights to Ontario from Chicago Midway Airport during August instead. Flights to Ontario in August, while not as cheap as those in January, still average around $291.

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 $330. 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 $499.

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 $499 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 59% 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

$338

Fastest flight time

4h 15m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Ontario

1 airport
The best one-way flight to Ontario from Chicago Midway Airport in the past 72 hours is $338. 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 15m
Direct flights go from Chicago Midway Airport to Ontario on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Southwest.
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 15m 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
FrontierPriceFrom $153Free CancellationRating
5.8
3,073 reviews
Search Frontier flights
SouthwestPriceFrom $282Free CancellationRating
8.0
4,256 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 4 flights on this route every week with an average price of $439. 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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