HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$96+ Cheap flights from Midway (MDW) to Ontario (ONT)

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — ONT
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Midway to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Midway to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Midway (MDW) to Ontario (ONT). 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 April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Trip.com)

One-way from

$96
(Trip.com)

Popular in

December

Cheapest in

July

Average price

$281

Good round-trip deal

$439 or less

Good one-way deal

$255 or less
Provider with most accurate pricing for Chicago Midway-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago Midway-Ontario flights.
Search Deals
From Chicago Midway to Ontario
Search Deals
One-way flight from Chicago Midway to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Chicago Midway to Ontario.
Search Deals
Price to beat on a one-way flight from Chicago Midway to Ontario.
Search Deals

Find flight deals from Midway to Ontario

Cheapest flights from Midway to Ontario
Explore the most affordable flight options available from Midway to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:03 pmMDW - ONT
1 stop17h 23mFrontier
Sat 5/1012:59 amONT - MDW
1 stop16h 09mFrontier
Deal found 4/4$210
This Southwest deal was found by Cheapflights users on 4/3. 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.
Sat 5/34:30 pmMDW - ONT
1 stop6h 40mSouthwest
Sat 5/106:10 amONT - MDW
1 stop6h 00mSouthwest
Deal found 4/3$247
This Delta deal was found by Cheapflights users on 4/3. 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 5/33:02 pmMDW - ONT
2 stops9h 34mDelta
Sat 5/1012:18 pmONT - MDW
1 stop6h 56mDelta
Deal found 4/3$262

Cheapflights Fare Finder

Customize your flight search to find flights from Midway 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, Cheapflights users made 2,558,603 searches. Data last updated April 4, 2025.
Use the filters below to find and compare flights from Chicago Midway Airport to Ontario that are best for you.

Fly from

Midway

Fly to

Ontario

Route

Depart

Return

Price

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sun 5/4

8:03 pm-11:26 am

1 stop17h 23m

Ontario

Sat 5/10

12:59 am-7:08 pm

1 stop16h 09m

$210

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 5/3

4:30 pm-9:10 pm

1 stop6h 40m

Ontario

Sat 5/10

6:10 am-2:10 pm

1 stop6h 00m

$247

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 5/3

3:02 pm-10:36 pm

2 stops9h 34m

Ontario

Sat 5/10

12:18 pm-9:14 pm

1 stop6h 56m

$262

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 6/10

2:44 pm-11:50 pm

1 stop11h 06m

$96

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 5/23

5:05 am-9:10 am

1 stop6h 05m

$124

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 5/7

6:00 am-11:08 am

1 stop7h 08m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Compare providers for flights from Midway to Ontario

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 Midway to Ontario in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice 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 Chicago Midway Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago Midway Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago Midway Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago Midway Airport-Ontario 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 Chicago Midway Airport-Ontario 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 Midway to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Midway 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 Chicago Midway Airport to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Chicago Midway Airport to Ontario (average of $246). Flying from Chicago Midway Airport to Ontario in March is currently the most expensive (average of $328). 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 MDW to ONT?

Find hourly flight availability from Midway to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2025.

One of the essential ways to save on airfare from Chicago Midway Airport to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 4, 2025.
Read through reviews of airlines operating flights from Chicago to Ontario, such as Southwest, Delta and Frontier. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

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
4,276 reviews
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

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
7,900 reviews
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

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
3,276 reviews
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

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 Midway to Ontario. 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 into for flights to Ontario from Chicago Midway?

    If you book a flight to Ontario from Chicago Midway, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Chicago Midway to Ontario per day from 2 different airlines.

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

    According to our current data, Frontier ($210), Southwest ($247), and Delta ($262) offers the cheapest pricing from Chicago Midway Airport to Ontario. Frontier is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Chicago Midway Airport to Ontario are Frontier ($96), Southwest ($124), and Delta ($129).

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

    Looking at all options, your cheapest flight can be booked for $183. While the most popular route (Chicago Midway - Ontario) can be booked for $240 on average our data indicates $395 when flying from Chicago Midway Airport to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Midway to Ontario 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 Chicago Midway Airport to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Chicago Midway Airport to Ontario (average of $246). Flying from Chicago Midway Airport to Ontario in March is currently the most expensive (average of $328). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Midway to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
Midway to Las Vegas flights
O'Hare Intl to San Diego flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Santa Ana flights
Midway to Los Angeles flights
O'Hare Intl to Ontario flights
O'Hare Intl to Burbank flights
O'Hare Intl to Palm Springs flights
Midway to San Francisco flights
O'Hare Intl to Sacramento flights
Midway to San Diego flights
O'Hare Intl to Oakland flights
O'Hare Intl to Reno flights
O'Hare Intl to San Jose flights
Midway to Palm Springs flights
Midway to Santa Ana flights
Rockford to Las Vegas flights
Midway to Burbank flights
O'Hare Intl to Fresno flights
Midway to Sacramento flights
Midway to San Jose flights
Midway to Reno flights
O'Hare Intl to Long Beach flights
Midway to Long Beach flights
O'Hare Intl to San Luis Obispo flights
O'Hare Intl to Santa Barbara flights
Midway to Oakland flights
O'Hare Intl to Medford flights
O'Hare Intl to Santa Rosa flights
Midway to Fresno flights
O'Hare Intl to Monterey flights
O'Hare Intl to Arcata flights
Midway to Medford flights
O'Hare Intl to Redding flights
O'Hare Intl to Tijuana flights
Midway to Tijuana flights
O'Hare Intl to Bakersfield flights
O'Hare Intl to Mexicali flights
O'Hare Intl to Yuma flights
Midway to Mexicali flights
O'Hare Intl to Mammoth Lakes flights
O'Hare Intl to Merced flights

Top 2 airlines flying from Midway to Ontario

Discover the top 2 airlines that operate flights from Midway to Ontario. 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$121Average$205FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$298Average$451FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.