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Cheap flights from Chicago Midway Airport to Los Angeles from $72

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 9/10. 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

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
2:00 pm - 4:10 pmMDW  Chicago Midway-ONT Ontario
4h 10mnonstop
Southwest Logo
11:55 pm - 5:45 amONT  Ontario-MDW Chicago Midway
3h 50mnonstop
$167Southwest
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
6:00 am - 12:30 pmMDW  Chicago Midway-ONT Ontario
8h 30m1 stop Dallas Love Field
Southwest Logo
11:55 pm - 5:45 amONT  Ontario-MDW Chicago Midway
3h 50mnonstop
$175Southwest
Tue, Sep 15 - Tue, Sep 22
Southwest Logo
2:00 pm - 4:10 pmMDW  Chicago Midway-ONT Ontario
4h 10mnonstop
Southwest Logo
8:10 pm - 5:45 amONT  Ontario-MDW Chicago Midway
7h 35m1 stop Sacramento Intl
$177Southwest
Thu, Sep 10 - Mon, Sep 14
Frontier Logo
9:26 pm - 8:38 amMDW  Chicago Midway-ONT Ontario
13h 12m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$178Frontier
Thu, Sep 3 - Sun, Sep 6
Frontier Logo
9:26 pm - 8:36 amMDW  Chicago Midway-ONT Ontario
13h 10m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$178Frontier
Mon, Aug 31 - Sun, Sep 6
Frontier Logo
9:26 pm - 8:38 amMDW  Chicago Midway-ONT Ontario
13h 12m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$178Frontier
Thu, Sep 3 - Sun, Sep 6
Frontier Logo
9:26 pm - 8:38 amMDW  Chicago Midway-ONT Ontario
13h 12m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$178Frontier
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
9:26 pm - 8:36 amMDW  Chicago Midway-ONT Ontario
13h 10m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$178Frontier
Mon, Aug 24 - Sun, Aug 30
Frontier Logo
9:26 pm - 8:36 amMDW  Chicago Midway-ONT Ontario
13h 10m1 stop Dallas/Fort Worth
Frontier Logo
8:17 am - 8:31 pmONT  Ontario-MDW Chicago Midway
10h 14m1 stop Dallas/Fort Worth
$178Frontier
Fri, Aug 28 - Sun, Sep 6
Southwest Logo
8:00 am - 3:05 pmMDW  Chicago Midway-ONT Ontario
9h 05m2 stops Louisville Intl Phoenix Sky Harbor Intl
Southwest Logo
11:55 pm - 5:45 amONT  Ontario-MDW Chicago Midway
3h 50mnonstop
$182Southwest
Thu, Sep 10 - Mon, Sep 14

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Frontier flights from Chicago Midway Airport to Ontario

Our best Frontier deals on Chicago Midway Airport to Ontario flight tickets
Frontier
Aug 27
MDW9:26 pmChicago Midway
13h 12m
1 stop
ONT8:38 amOntario
Aug 30
ONT8:17 amOntario
10h 14m
1 stop
MDW8:31 pmChicago Midway
$178
Frontier
Aug 13
MDW9:27 pmChicago Midway
13h 14m
1 stop
ONT8:41 amOntario
Aug 15
ONT8:17 amOntario
7h 09m
1 stop
MDW5:26 pmChicago Midway
$184
Frontier
Aug 28
MDW9:26 pmChicago Midway
13h 10m
1 stop
ONT8:36 amOntario
Sep 6
ONT8:17 amOntario
10h 14m
1 stop
MDW8:31 pmChicago Midway
$213

Delta flights from Chicago Midway Airport to Ontario

Our best Delta deals on Chicago Midway Airport to Ontario flight tickets
Delta
Sep 4
MDW10:54 amChicago Midway
9h 36m
1 stop
ONT6:30 pmOntario
Sep 5
ONT12:00 pmOntario
8h 36m
1 stop
MDW10:36 pmChicago Midway
$237
Delta
Sep 1
MDW10:54 amChicago Midway
13h 29m
2 stops
ONT10:23 pmOntario
Sep 5
ONT12:00 pmOntario
8h 36m
1 stop
MDW10:36 pmChicago Midway
$242
Delta
Sep 1
MDW10:54 amChicago Midway
13h 29m
2 stops
ONT10:23 pmOntario
Sep 9
ONT6:00 amOntario
10h 19m
2 stops
MDW6:19 pmChicago Midway
$247

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 August 11, 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
Quickest round-trip

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Thu 9/10

2:00 pm-4:10 pm

Nonstop4h 10m

Ontario

Mon 9/14

11:55 pm-5:45 am

Nonstop3h 50m

$167

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Tue 9/15

6:00 am-12:30 pm

1 stop8h 30m

Ontario

Tue 9/22

11:55 pm-5:45 am

Nonstop3h 50m

$175

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Thu 9/10

2:00 pm-4:10 pm

Nonstop4h 10m

Ontario

Mon 9/14

8:10 pm-5:45 am

1 stop7h 35m

$177

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Thu 9/3

9:26 pm-8:38 am

1 stop13h 12m

Ontario

Sun 9/6

8:17 am-8:31 pm

1 stop10h 14m

$178

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Mon 8/31

9:26 pm-8:36 am

1 stop13h 10m

Ontario

Sun 9/6

8:17 am-8:31 pm

1 stop10h 14m

$178

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Thu 9/3

9:26 pm-8:38 am

1 stop13h 12m

Ontario

Sun 9/6

8:17 am-8:31 pm

1 stop10h 14m

$178

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Thu 8/27

9:26 pm-8:38 am

1 stop13h 12m

Ontario

Mon 8/31

8:17 am-8:31 pm

1 stop10h 14m

$178

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Mon 8/24

9:26 pm-8:36 am

1 stop13h 10m

Ontario

Sun 8/30

8:17 am-8:31 pm

1 stop10h 14m

$178

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Fri 8/28

9:26 pm-8:36 am

1 stop13h 10m

Ontario

Sun 9/6

8:17 am-8:31 pm

1 stop10h 14m

$178

ChicagoOntario

MDW Chicago Midway - ONT Ontario

MDWONT

Chicago Midway

Thu 9/10

8:00 am-3:05 pm

2 stops9h 05m

Ontario

Mon 9/14

11:55 pm-5:45 am

Nonstop3h 50m

$182

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, 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 August instead. Flights to Ontario in August, while not as cheap as those in February, still average around $311.

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 $740.

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 $301. 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 $515 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.

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

$206

Fastest flight time

4h 10m

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 $206. The best round-trip flight deal from Chicago Midway Airport to Ontario found on momondo in the last 72 hours is $301.
The fastest flight from Chicago Midway Airport to Ontario takes 4h 10m
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 10m 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 $268Free CancellationRating
8.0
4,221 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 $268. Generally, Southwest has 3 flights on this route every week with an average price of $457. 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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