CA $249 Cheap Flights from Ontario (ONT) to Chicago (MDW)

View CA $249 flight on Fri, Aug. 29, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Chicago Midway Airport (MDW)

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Cheap flights from Ontario (ONT) to Chicago (MDW)

Prices were available within the past 7 days and start at CA $249 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Ontario to Chicago (ONT - MDW) route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Midway Intl.
Distance
2723 km

Los Angeles to Chicago Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from Los Angeles to Chicago with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from ONT to MDW and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from Los Angeles to Chicago on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from ONT to MDW. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your Chicago flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Ontario Airport to Midway Airport?
The lowest price advertised for a round-trip journey from Los Angeles - Ontario Intl. Airport (ONT) to Midway Airport is . But you better get moving. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to Midway Airport?
The majority of flights can be canceled online, but whether you are charged a fee differs between airlines. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from ONT to Midway Intl. Airport (MDW) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for ONT to Chicago Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from ONT to Chicago Airport?
Around 2,700 kilometers separates Ontario and Chicago, so pack something to keep you occupied for a couple of hours. That latest bestseller you haven’t finished will be perfect.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Chicago Airport?
A leading airline that operates on the route from ONT to MDW is Frontier Airlines (F9). It offers 30 flights monthly. For more options, check out the fares from Southwest Airlines (WN). This airlines operates 8 flights monthly between these airports.
Are Ontario Airport to Midway Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Ontario Airport to Midway Intl. Airport (MDW) are available up to 12 months prior to departure on Expedia. And although you may occasionally pick up great last-minute deal, it’s not something you should count on. Also, booking your flights ahead of time means you’ll have more choices — and you can avoid getting trapped in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

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