$99+ Cheap flights from Midway (MDW) to Ontario (ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — ONT
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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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
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Cheapest flights from Midway to OntarioExplore 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 October 4, 2026.
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 October 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:20 pm -
1 stop8h 48m
Mon 11/28:03 pm -
1 stop13h 19m
Deal found 10/1![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/221:12 pm -
1 stop7h 53m
Mon 11/28:03 pm -
1 stop13h 19m
Deal found 9/29![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 10/1. 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.
Thu 11/512:20 pm -
1 stop8h 48m
Mon 11/98:03 pm -
1 stop13h 19m
Deal found 10/1![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 9/29. 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.
Fri 10/3012:20 pm -
1 stop8h 48m
Mon 11/28:03 pm -
1 stop13h 19m
Deal found 9/29![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 10/1. 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.
Thu 11/512:20 pm -
1 stop8h 48m
Fri 11/68:03 pm -
1 stop13h 22m
Deal found 10/1![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/221:12 pm -
1 stop7h 53m
Sun 11/18:03 pm -
1 stop13h 22m
Deal found 9/29![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:20 pm -
1 stop8h 48m
Mon 11/168:03 pm -
1 stop13h 19m
Deal found 9/30![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 9/30. 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.
Fri 11/612:20 pm -
1 stop8h 48m
Thu 11/128:03 pm -
1 stop13h 22m
Deal found 9/30![Frontier logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:20 pm -
1 stop8h 48m
Sun 11/18:03 pm -
1 stop13h 22m
Deal found 9/29![Frontier logo]()
$247
Best flights from Midway to OntarioDiscover carefully curated flight deals from Midway to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
Discover carefully curated flight deals from Midway to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
This Delta deal was found by Cheapflights users on 10/1. 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.
Fri 12/412:39 pm -
2 stops12h 20m
Mon 12/712:20 pm -
1 stop8h 34m
Deal found 10/1![Delta logo]()
$284
This Southwest deal was found by Cheapflights users on 10/1. 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.
Fri 12/43:55 pm -
Nonstop4h 20m
Mon 12/710:55 am -
Nonstop3h 45m
Deal found 10/1![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 9/30. 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.
Tue 10/612:27 pm -
2 stops13h 28m
Mon 10/1211:15 pm -
2 stops11h 32m
Deal found 9/30![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 9/29. 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.
Fri 11/205:10 am -
1 stop7h 40m
Mon 11/3011:55 pm -
Nonstop3h 45m
Deal found 9/29![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 9/30. 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.
Thu 10/226:05 am -
1 stop5h 50m
Sun 10/2511:55 pm -
Nonstop3h 45m
Deal found 9/30![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 10/3. 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.
Thu 10/812:49 pm -
1 stop7h 33m
Sat 10/1012:16 pm -
1 stop8h 17m
Deal found 10/3![Delta logo]()
$418
This Southwest deal was found by Cheapflights users on 10/3. 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.
Fri 12/186:00 am -
1 stop5h 50m
Mon 12/2111:55 pm -
Nonstop3h 45m
Deal found 10/3![Southwest logo]()
$398
This Delta deal was found by Cheapflights users on 10/3. 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.
Thu 10/812:49 pm -
1 stop7h 33m
Wed 10/147:07 am -
1 stop7h 07m
Deal found 10/3![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 10/3. 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.
Thu 10/812:49 pm -
1 stop7h 33m
Fri 10/1612:16 pm -
1 stop8h 17m
Deal found 10/3![Delta logo]()
$439
This Southwest deal was found by Cheapflights users on 9/29. 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 11/210:45 am -
Nonstop4h 20m
Wed 11/2511:55 pm -
Nonstop3h 45m
Deal found 9/29![Southwest logo]()
$441
Last-minute flights from Midway to OntarioDiscover last-minute flight deals from Midway to Ontario. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Midway to Ontario. Data last updated October 4, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/221:12 pm -
1 stop7h 53m
Mon 11/28:03 pm -
1 stop13h 19m
Deal found 9/29![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/221:12 pm -
1 stop7h 53m
Sun 11/18:03 pm -
1 stop13h 22m
Deal found 9/29![Frontier logo]()
$229
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:20 pm -
1 stop8h 48m
Mon 11/28:03 pm -
1 stop13h 19m
Deal found 10/1![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 9/29. 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.
Fri 10/3012:20 pm -
1 stop8h 48m
Mon 11/28:03 pm -
1 stop13h 19m
Deal found 9/29![Frontier logo]()
$220
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:20 pm -
1 stop8h 48m
Sun 11/18:03 pm -
1 stop13h 22m
Deal found 9/29![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 10/1. 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.
Thu 11/512:20 pm -
1 stop8h 48m
Mon 11/98:03 pm -
1 stop13h 19m
Deal found 10/1![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 10/1. 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.
Thu 11/512:20 pm -
1 stop8h 48m
Fri 11/138:03 pm -
1 stop13h 22m
Deal found 10/1![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 9/30. 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.
Fri 11/612:20 pm -
1 stop8h 48m
Thu 11/128:03 pm -
1 stop13h 22m
Deal found 9/30![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 10/1. 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.
Fri 11/612:20 pm -
1 stop8h 48m
Mon 11/98:03 pm -
1 stop13h 19m
Deal found 10/1![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:20 pm -
1 stop8h 48m
Mon 11/168:03 pm -
1 stop13h 19m
Deal found 9/30![Frontier logo]()
$230
One-way flights from Midway to OntarioSearch for one-way flight options from Midway to Ontario. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
Search for one-way flight options from Midway to Ontario. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/221:12 pm -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 9/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:20 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$118
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:20 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$120
This Southwest deal was found by Cheapflights users on 9/29. 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.
Wed 10/284:45 pm -
1 stop6h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Southwest logo]()
$125
This Frontier deal was found by Cheapflights users on 10/2. 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.
Thu 10/81:12 pm -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$129
This Southwest deal was found by Cheapflights users on 9/30. 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.
Tue 10/275:45 am -
1 stop6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Southwest logo]()
$130
This CheapOair deal was found by Cheapflights users on 10/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:20 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 9/30. 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.
Wed 10/213:30 pm -
2 stops10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$133
This Delta deal was found by Cheapflights users on 9/30. 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 10/311:27 pm -
2 stops10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$135
This Super.com deal was found by Cheapflights users on 9/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:20 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$137
Find 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 October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Cheapflightsfares) |
One-way from | $99 (Frontier) |
Popular in | July |
Cheapest in | September |
Average price | $427 |
Good round-trip deal | $239 or less |
Good one-way deal | $119 or less |
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 7,457,451 searches. Data last updated October 4, 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
Cheapest round-trip
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Fri 11/13
10:45 am-1:05 pm
Nonstop4h 20m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$149
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Fri 10/23
7:15 pm-11:50 pm
1 stop6h 35m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$150
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Sat 12/5
6:00 am-4:28 pm
2 stops12h 28m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$164
Quickest round-trip
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Thu 10/29
11:55 am-2:10 pm
Nonstop4h 15m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$183
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Sat 10/10
9:29 am-7:30 pm
2 stops12h 01m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$185
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Wed 12/2
3:55 pm-6:15 pm
Nonstop4h 20m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Wed 12/30
6:00 am-9:50 am
1 stop5h 50m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$230
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Wed 10/28
3:30 pm-5:45 pm
Nonstop4h 15m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$249
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Fri 10/16
1:12 pm-7:08 pm
1 stop7h 56m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$251
ChicagoOntario
MDW Chicago Midway - ONT Ontario
MDWONT
Chicago Midway
Fri 11/20
10:45 am-1:05 pm
Nonstop4h 20m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$259
Showing 1-10 of 21 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
MDW-ONT
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 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 October 4, 2026.
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 in the evening tend to be the most expensive. A flight at noon could potentially save you up to 79% on airfare.
How much does it cost to fly round-trip from Chicago Midway Airport to Ontario?
Airfare is below average for this route at the moment.
Chicago Midway Airport to Ontario flights typically cost between $278 and $457 in October.The cheapest round-trip price found within the last 5 days was $198 on Frontier (Oct 29-Nov 2).
The best insider tips for Chicago Midway Airport to Ontario flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago Midway Airport to Ontario trip
Our travel experts
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 October 4, 2026.
Read through reviews of airlines operating flights from Chicago Midway Airport to Ontario, such as Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
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.
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Alternative routes for Midway to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Midway to Ontario by cabin class
Find flights from Midway to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.
Midway and Ontario flights
Browse other Midway and Ontario flight options. Last updated on October 4, 2026.
Other flights from Midway
Browse through other flights departing from Midway. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Midway to Ontario
Discover the top airline 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 7,457,451 searches. Data last updated October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$453 | FlexibilityNo cancel fee | On-time63% |