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$103+ Cheap flights from Ontario (ONT) to Midway (MDW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDW
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Chicago Midway are usually found in October or September, booked 34 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Ontario to Midway

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Midway (MDW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Southwest)

One-way from

$103
(Trip.com)

Popular in

January

Cheapest in

October

Average price

$287

Good round-trip deal

$436 or less

Good one-way deal

$229 or less
Provider with most accurate pricing for Ontario-Chicago Midway flight deals.
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Provider most trusted by Cheapflights users for Ontario-Chicago Midway flights.
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From Ontario to Chicago Midway
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One-way flight from Ontario to Chicago Midway
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Highest demand for flights based on searches. 25% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Ontario to Chicago Midway.
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Price to beat on a one-way flight from Ontario to Chicago Midway.
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Find flight deals from Ontario to Midway

Cheapest flights from Ontario to Midway
Explore the most affordable flight options available from Ontario to Midway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/282:55 pmONT - MDW
1 stop5h 55mSouthwest
Fri 5/25:25 amMDW - ONT
1 stop5h 55mSouthwest
Deal found 3/23$247
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2610:15 pmONT - MDW
1 stop8h 52mDelta
Mon 4/284:59 pmMDW - ONT
1 stop7h 37mDelta
Deal found 3/24$257
This Frontier deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/153:17 pmONT - MDW
1 stop7h 04mFrontier
Mon 4/216:00 amMDW - ONT
1 stop9h 42mFrontier
Deal found 3/24$278

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Midway 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, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
Use the filters below to find and compare flights from Ontario to Chicago Midway Airport that are best for you.

Fly from

Ontario

Fly to

Midway

Route

Depart

Return

Price

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Mon 4/28

2:55 pm-10:50 pm

1 stop5h 55m

Chicago Midway

Fri 5/2

5:25 am-9:20 am

1 stop5h 55m

$247

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Sat 4/26

10:15 pm-9:07 am

1 stop8h 52m

Chicago Midway

Mon 4/28

4:59 pm-10:36 pm

1 stop7h 37m

$257

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Tue 4/15

3:17 pm-12:21 am

1 stop7h 04m

Chicago Midway

Mon 4/21

6:00 am-1:42 pm

1 stop9h 42m

$278

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Sun 4/13

12:59 am-12:21 am

1 stop21h 22m

$103

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Tue 5/6

8:45 pm-5:20 am

1 stop6h 35m

$124

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Sat 5/3

12:07 pm-10:22 pm

1 stop8h 15m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Ontario to Midway

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Midway in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Chicago Midway Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Chicago Midway Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Chicago Midway Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Chicago Midway Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Chicago Midway Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Midway

Have a flexible travel schedule? Discover the best time to fly to Midway from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Chicago Midway Airport

How far ahead should I book a flight from Ontario to Chicago Midway Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Midway. Price data was last updated on March 21, 2025.

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Chicago Midway Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ontario to Chicago Midway Airport?

Currently, April is the cheapest month in which you can book a flight from Ontario to Chicago Midway Airport (average of $160). Flying from Ontario to Chicago Midway Airport in November is currently the most expensive (average of $249). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MDW?

Find hourly flight availability from Ontario to Midway. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

It’s typically best to fly out from Ontario to Chicago Midway Airport in the evening. Doing so could potentially save you 54% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Ontario to Chicago Midway Airport?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Midway. Price data was last updated on March 16, 2025.

Travelers seeking maximum savings on their Ontario to Chicago Midway Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Midway by month

Plan your trip to Midway by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago Midway Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago Midway Airport when rainfall is around 1.7 in.

Temperature in Midway by month

Plan your trip to Midway by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago Midway Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Midway

Get insights into the airlines that provide service to Midway. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Midway. Reviews last updated March 25, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and Frontier from Ontario to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
6.0
Okay
3,273 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Midway. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Chicago Midway?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Chicago Midway. 3 airlines have flights from Ontario to Chicago Midway on a regular basis. Booking flights from Ontario to Chicago Midway should not be difficult; the airport handles an average of 0 outbound flights to Chicago Midway per day.

  • What are the cheapest airlines flying from Ontario to Chicago Midway Airport round-trip?

    According to our current data, Southwest ($247), Delta ($257), and Frontier ($278) offers the cheapest pricing from Ontario to Chicago Midway Airport. Southwest is currently priced 23% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to Chicago Midway Airport one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $103. Southwest flights start at $124 while deals on Delta start at $129 one-way.

  • What are the cheapest flights from Ontario to Chicago Midway Airport?

    Looking at all options, your cheapest flight can be booked for $158. While the most popular route (Ontario - Chicago Midway) can be booked for $247 on average our data indicates $375 when flying from Ontario to Chicago Midway Airport.

  • Can I find deals for flights from Ontario to Midway that include hotel bookings?

    Yes. In addition to deals on Ontario to Midway flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Midway?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Midway.

  • Can I find deals for business class flights from Ontario to Midway?

    Yes. Cheapflights offers flight deals from Ontario to Midway by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Chicago Midway Airport?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Chicago Midway Airport (average of $160). Flying from Ontario to Chicago Midway Airport in November is currently the most expensive (average of $249). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Top 3 airlines flying from Ontario to Midway

Discover the top 3 airlines that operate flights from Ontario to Midway. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$208FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$262Average$464FlexibilityNo cancel feeOn-time63%
DeltaCheapest$272Average$468FlexibilityNo cancel feeOn-timeN/A
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