S$184 Cheap Flights from Ontario Intl. Airport to Chicago
Popular airlines from Ontario Intl. Airport (ONT) to Chicago O'Hare Intl. Airport (ORD)
Alaska AirlinesAlaska Airlines
Frontier AirlinesFrontier Airlines
UnitedUnited
American AirlinesAmerican Airlines
DeltaDelta
JetBlue AirwaysJetBlue Airways
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 40% on select hotels after you book a flight*
Cheap Flights from Ontario to Chicago (ONT-ORD)
Find the cheapest month to fly from Ontario (ONT) to Chicago (ORD)
September is typically the cheapest month to flySeptember is typically the cheapest month to fly
Book with confidence
Flights from Ontario to Chicago
When looking for plane tickets from Ontario to Chicago, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Chicago. Look for ONT to ORD airfare with the assurance that you have the largest online travel agency working for you.
Expedia lets you search across the largest number of airlines and Chicago flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Ontario Chicago flight!
Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Ontario to Chicago trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.
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 Ontario to Chicago with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!
Frequently Asked Questions
How much is a flight from ONT to O'Hare Airport?
If you're planning on travelling from Los Angeles - Ontario Intl. Airport (ONT) to O'Hare Intl. Airport (ORD), round-trip flights start from . This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Los Angeles - Ontario Intl. Airport (ONT) to O'Hare Airport?
This can differ between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find easy instructions on how to cancel your flight online.
How do I find cheap flights from ONT to O'Hare Airport 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 O'Hare Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to O'Hare Intl. Airport (ORD)?
Expect to be cruising at altitude for a while, as the flight distance from Ontario Airport to ORD is 2,700 kilometres. Create a playlist of your favourite songs before you leave home to keep yourself entertained during your trip.
Which airlines fly direct from Ontario Airport to ORD?
If you want to travel straight from ONT to O'Hare Airport, you'll have to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports.
Are ONT to ORD flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally nab a bargain, with some super cheap fares from Ontario Airport to ORD showing up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines release prices so far in advance.
Travel information
Origin airport | Ontario Intl. Airport |
|---|---|
Destination airport | Chicago O'Hare Intl. Airport |
Distance | 2,729 km away |
Airlines serving | Alaska Airlines, Frontier Airlines, United, American Airlines, Delta, JetBlue Airways |
Popular airline | Alaska Airlines |
Return price | S$184 |
Average flight time | 4 hours 10 mins |