Cheap flights from Illinois to Ontario from $93
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 6/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
How far in advance should I book a flight from Illinois to Region of Ontario?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 40 days in advance, which can save you up to 90% on flights from Illinois to Region of Ontario compared to booking the week you need them. Waiting 40 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $362. For sooner than that we have options available in the next 3 days from $558.
What is the cheapest month to fly from Illinois to Region of Ontario?
January can be a great time to fly to Region of Ontario from Illinois with a flight ticket averaging about $324. Cheapflights users have found deals in the month of January for as cheap as $170. The most expensive prices can be found in the month of September.
When is the cheapest time to fly from Illinois to Region of Ontario (IL - ON)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Region of Ontario as you normally would.
Cheap WestJet flights from Illinois to Ontario
Explore cheap flight options specifically provided by WestJet for the route between Illinois and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 17, 2024.
Consider these cheap WestJet flights we've found departing from Illinois to Ontario. Deals update often to give you more flight options matching your criteria
Cheap American Airlines flights from Illinois to Ontario
Explore cheap flight options specifically provided by American Airlines for the route between Illinois and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 17, 2024.
Some of the lowest-priced American Airlines flights we've found at this time heading from Illinois to Ontario. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Cheap Illinois to Ontario flights in May & June 2024
Find cheap flight options from Illinois to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,650,061 searches. Prices were last updated on May 17, 2024.
Listed are some of the best fares we've found on flights departing from Illinois to Ontario in 2024. Check back in a little while for more flight options.
Illinois to Ontario 2024 flight deals
Discover exclusive flight deals for travel between Illinois and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 17, 2024.
Listed are some of the best fares we've found on flights departing from Illinois to Ontario in 2024. Check back in a little while for more flight options.
Non-stop flights to Ontario from Illinois
Discover non-stop flight options from Illinois to Ontario. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 17, 2024.
For a quicker trip, book one of these direct flights from Illinois to Ontario. Search for alternative flights from Illinois to Ontario by utilizing the search form above.
Illinois to Ontario flights leaving soon
Find last-minute flight options from Illinois to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 17, 2024.
Users seeking a last-minute flight from Illinois to Ontario should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
One-way flights to Ontario from Illinois
Search for one-way flight options from Illinois to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 17, 2024.
Take a look at some of the one-way flights we've detected from Illinois to Ontario. For those needing a return trip from Illinois, there is a search form available above.
Find flights from Illinois to Ontario within your budget
Customize your flight search to find flights from Illinois 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 2,650,061 searches. Data last updated May 17, 2024.
Fly from
Fly to
Budget
$222 - $331
Route
Depart
Return
Price
Chicago O'Hare IntlToronto Pearson Intl
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
Tue 6/4
1 stop6h 45m
Toronto Pearson Intl
Tue 6/11
1 stop12h 10m
Chicago MidwayToronto Island
MDW - YTZ
MDWYTZ
Chicago Midway
Sat 6/1
Nonstop1h 42m
Toronto Island
Sun 6/30
Nonstop1h 47m
Chicago O'Hare IntlToronto Pearson Intl
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
Tue 6/11
Nonstop1h 50m
Toronto Pearson Intl
Tue 6/11
1 stop6h 41m
Chicago O'Hare IntlToronto Pearson Intl
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
Tue 6/25
1 stop9h 13m
Toronto Pearson Intl
Wed 6/26
Nonstop2h 02m
Chicago O'Hare IntlToronto Pearson Intl
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
Sat 6/15
Nonstop1h 45m
Toronto Pearson Intl
Mon 6/17
Nonstop2h 02m
Chicago O'Hare IntlToronto Pearson Intl
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
Tue 7/16
Nonstop1h 43m
Toronto Pearson Intl
Tue 7/23
Nonstop2h 02m
Chicago MidwayToronto Pearson Intl
MDW - YYZ
MDWYYZ
Chicago Midway
Tue 7/16
1 stop4h 08m
Toronto Pearson Intl
Tue 7/23
1 stop5h 34m
Chicago O'Hare IntlToronto Pearson Intl
ORD - YYZ
ORDYYZ
Chicago O'Hare Intl
Wed 6/5
1 stop8h 14m
Toronto Pearson Intl
Wed 6/12
1 stop7h 04m
Chicago O'Hare IntlMontreal Pierre Elliott Trudeau Intl
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Sun 6/30
1 stop11h 26m
Montreal Pierre Elliott Trudeau Intl
Mon 7/8
1 stop8h 25m
No data available for this route at this time. Please check back soon.
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 May 17, 2024.
Read through reviews of airlines operating flights from Illinois to Ontario, such as WestJet, American Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Crew
Food
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Boarding
Comfort
Crew
Food
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Boarding
Comfort
Crew
Food
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Boarding
Comfort
Crew
Food
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Boarding
Comfort
Crew
Food
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Boarding
Comfort
Crew
Food
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to OntarioSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Illinois to Ontario
Discover the top 4 airlines that operate flights from Illinois 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 2,650,061 searches. Data last updated May 17, 2024.
Search flights from Illinois to Ontario by cabin class
Find flights from Illinois to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Illinois to Ontario
Find hourly flight availability from Illinois 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 May 17, 2024.
| 3%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 42%of flight departures | Morning6 am to noon |
| 40%of flight departures | AfternoonNoon to 6 pm |
| 15%of flight departures | Evening6 pm to midnight |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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How does Cheapflights help users find flights from Illinois to Ontario?
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Why should you use Cheapflights to find cheap flight tickets from Illinois to Ontario?
Cheapflights simply makes it quick and affordable to book flights from Illinois to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Illinois to Ontario with no change fees?
Yes, we can. To see specific flights from Illinois to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Illinois to Ontario become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!