$140+ Cheap flights from Ontario to Illinois
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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ontario to Illinois 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 Ontario to Illinois
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Illinois (USIL). 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 diciembre 18, 2024.
Round-trip from | $230 (Air Canada) |
|---|---|
One-way from | $140 (SmartFares) |
Find flight deals from Ontario to Illinois
Cheapest flights from Ontario to IllinoisExplore the most affordable flight options available from Ontario to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 18, 2024.
Explore the most affordable flight options available from Ontario to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 18, 2024.
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This deal was found by Cheapflights users on 12/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United deal was found by Cheapflights users on 12/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This WestJet deal was found by Cheapflights users on 12/17. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This deal was found by Cheapflights users on 12/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 12/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Ontario to Illinois within your budget
Customize your flight search to find flights from Ontario to Illinois 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 2,558,603 searches. Data last updated diciembre 18, 2024.
Fly from
Fly to
Route
Depart
Return
Price
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
jue. 1/9
6:25 am-10:54 am
1 stop5h 29m
Chicago O'Hare Intl
dom. 1/12
7:20 am-1:41 pm
1 stop5h 21m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
vie. 1/31
6:20 pm-7:20 pm
Nonstop2h 00m
Chicago O'Hare Intl
vie. 2/7
3:00 pm-5:35 pm
Nonstop1h 35m
TorontoChicago
YTZ - MDW
YTZMDW
Toronto Island
jue. 1/9
11:20 am-12:10 pm
Nonstop1h 50m
Chicago Midway
dom. 1/12
1:05 pm-3:47 pm
Nonstop1h 42m
TorontoChicago
YTZ - ORD
YTZORD
Toronto Island
mar. 1/14
3:25 pm-7:55 pm
1 stop5h 30m
Chicago O'Hare Intl
mié. 1/15
9:10 am-6:43 pm
2 stops8h 33m
TorontoChicago
YTZ - MDW
YTZMDW
Toronto Island
vie. 2/14
11:20 am-12:10 pm
Nonstop1h 50m
Chicago Midway
lun. 2/17
1:05 pm-3:47 pm
Nonstop1h 42m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
jue. 1/9
11:00 am-12:13 pm
Nonstop2h 13m
Chicago O'Hare Intl
dom. 1/12
8:30 pm-11:11 pm
Nonstop1h 41m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
jue. 1/9
2:05 pm-6:38 pm
1 stop5h 33m
Chicago O'Hare Intl
vie. 1/10
8:30 am-10:35 pm
1 stop13h 05m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
lun. 2/17
6:20 pm-7:20 pm
Nonstop2h 00m
Chicago O'Hare Intl
vie. 2/21
9:50 am-12:30 pm
Nonstop1h 40m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
mié. 1/15
12:20 pm-6:38 pm
1 stop7h 18m
Chicago O'Hare Intl
dom. 1/19
6:00 am-12:37 pm
1 stop5h 37m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
mar. 1/7
2:30 pm-7:59 pm
1 stop6h 29m
Chicago O'Hare Intl
sáb. 2/8
6:45 am-11:56 am
1 stop4h 11m
Best time to book a flight from Ontario to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Ontario with our price prediction graph.
Travel insights for flights from Ontario to Illinois
Get recent, data-driven insights about flights from Ontario to Illinois including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Region of Ontario to Illinois?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Illinois (average of $232). Flying from Region of Ontario to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ON to IL?
Find hourly flight availability from Ontario to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 18, 2024.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Illinois as you normally would.
Weekly flight availability from Region of Ontario to Illinois
Explore weekly flight availability from Ontario to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated diciembre 18, 2024.
The most flights from CAON to USIL are scheduled on a Monday (51 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (9 on average).
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated diciembre 18, 2024.
See what other customers who have flown with Air Canada, United Airlines and WestJet from Ontario to Illinois have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Entertainment
Boarding
Crew
Food
Reviews
Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.
Comfort
Overall
Entertainment
Boarding
Crew
Food
Reviews
Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.
Comfort
Overall
Entertainment
Boarding
Crew
Food
Reviews
Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.
Comfort
Overall
Entertainment
Boarding
Crew
Food
Reviews
Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.
Comfort
Overall
Entertainment
Boarding
Crew
Food
Reviews
Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.
Comfort
Overall
Entertainment
Boarding
Crew
Food
Reviews
Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Illinois. 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 Ontario to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ontario to Illinois
Discover the top 4 airlines that operate flights from Ontario to Illinois. 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 2,558,603 searches. Data last updated diciembre 18, 2024.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$375 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$206 | Average$315 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$219 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$402 | FlexibilityNo cancel fee | On-time71% |