Cheap flights from Chicago O'Hare Intl Airport to Ontario from $75
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Ontario departing on 4/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Chicago O'Hare Intl Airport to Region of Ontario
Our best American Airlines deals on Chicago O'Hare Intl Airport to Region of Ontario flight tickets
Air Canada flights from Chicago O'Hare Intl Airport to Region of Ontario
Our best Air Canada deals on Chicago O'Hare Intl Airport to Region of Ontario flight tickets
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Region of Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Region of Ontario?
The month of April is, on average, the cheapest month to fly to Region of Ontario from Chicago O'Hare Intl Airport, with most prices found around $284. If you aren’t able to travel during the month of April, then book flights to Region of Ontario from Chicago O'Hare Intl Airport during July instead. Flights to Region of Ontario in July, while not as cheap as those in April, still average around $301.
What is the cheapest day to depart on your flight to Region of Ontario?
According to our data, Friday is the cheapest day to fly to Region of Ontario from Chicago O'Hare Intl Airport. The lowest ticket price found for a Friday departure recently was $618. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Chicago O'Hare Intl Airport to Region of Ontario on a Sunday will generally be more expensive and average around $768. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Region of Ontario?
According to our data, the cheapest time of day to fly to Region of Ontario is in the morning. momondo users have found flights departing from Chicago O'Hare Intl Airport to Region of Ontario in the morning for as low as $571. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $753.
What is the cheapest Chicago O'Hare Intl to Ontario flight route?
Fly from Chicago O'Hare Intl to Toronto Pearson Intl for the best Chicago O'Hare Intl - Ontario flight prices
How far in advance should I book a flight to Region of Ontario?
You are more likely to see cheaper flights to Region of Ontario from Chicago O'Hare Intl Airport when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $321 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Chicago O'Hare Intl Airport for as low as $246 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Ontario flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago O'Hare Intl to Ontario?
Air Canada, United Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl to Ontario
What airlines fly to Region of Ontario?
Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Region of Ontario from Chicago O'Hare Intl Airport according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 4 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Region of Ontario on average per day?
The number of flights available between Chicago O'Hare Intl Airport and Region of Ontario is 72 per day as of March 2025. The most frequent departure time is 6:00PM, with 38% of daily flights leaving in the afternoon.
How many flights depart from Chicago O'Hare Intl Airport to Region of Ontario on average per week?
The number of flights available between Chicago O'Hare Intl Airport and Region of Ontario is 504 per week as of March 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.
Cheap Chicago O'Hare Intl Airport to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Region of Ontario
Best Price Found | $75 |
|---|---|
Fastest flight time | 1h 30m |
Direct flights | Every day |
Airports in Region of Ontario | 5 airports |
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ontario?
Prices for flights from Chicago O'Hare Intl Airport to Ontario were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ontario?
As of March 2025, there are 5 operators available to choose from for flights from Chicago O'Hare Intl Airport to Ontario.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Region of Ontario?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Region of Ontario, the leading plane model is Boeing 777-300ER, making up 12.64% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 10.64%, Embraer 175 (Enhanced Winglets) with 10.06%, and De Havilland (Bombardier) DHC-8-400 Dash 8Q with 9.36%.
Best airlines flying from Chicago O'Hare Intl Airport to Region of Ontario
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $122 | Free Cancellation | Rating 8.0 278 reviews | |||
| PriceFrom $122 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $122 | Free Cancellation | Rating 7.0 8,878 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 7.4 8,623 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Ontario?
Finding the right flight to Ontario from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.
Can I find flights from Chicago to Ontario with flexible booking policies on momondo?
Flights from Chicago to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Ontario?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Chicago.
I’m not ready to book a flight from Chicago to Ontario right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ontario from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.