$102+ Cheap flights from Quebec 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
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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
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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 Quebec to Illinois
Cheapest flights from Quebec to IllinoisExplore the most affordable flight options available from Quebec to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
Explore the most affordable flight options available from Quebec to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
This Air Canada deal was found by Cheapflights users on 1/26. 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 oojo deal was found by Cheapflights users on 1/28. 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 Air Canada deal was found by Cheapflights users on 1/28. 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 United Airlines deal was found by Cheapflights users on 1/27. 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 Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com deal was found by Cheapflights users on 1/27. 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 Booking.com deal was found by Cheapflights users on 1/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/26. 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 Porter Airlines deal was found by Cheapflights users on 1/26. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Find flight deals from Quebec to Illinois
Keep the following information in mind while searching for Quebec to Illinois flight deals. Data was last updated January 28, 2026.
Round-trip from | $182 (Air Canada) |
|---|---|
One-way from | $102 (Trip.com) |
Popular in | January |
Cheapest in | September |
Average price | $431 |
Good round-trip deal | $318 or less |
Good one-way deal | $222 or less |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Quebec to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Thu 2/19
7:00 am-11:38 am
1 stop5h 38m
Chicago O'Hare Intl
Sat 2/21
1:02 pm-7:48 pm
1 stop5h 46m
MontrealChicago
YUL - MDW
YULMDW
Montreal Pierre Elliott Trudeau Intl
Tue 6/2
10:35 am-4:50 pm
1 stop7h 15m
Chicago Midway
Fri 6/5
10:25 am-5:15 pm
1 stop5h 50m
MontrealChicago
YUL - MDW
YULMDW
Montreal Pierre Elliott Trudeau Intl
Wed 6/3
12:25 pm-4:50 pm
1 stop5h 25m
Chicago Midway
Thu 6/4
10:25 am-5:15 pm
1 stop5h 50m
MontrealChicago
YUL - MDW
YULMDW
Montreal Pierre Elliott Trudeau Intl
Mon 6/1
6:30 am-9:40 am
1 stop4h 10m
Chicago Midway
Mon 6/8
10:25 am-5:15 pm
1 stop5h 50m
MontrealChicago
YUL - MDW
YULMDW
Montreal Pierre Elliott Trudeau Intl
Wed 6/3
10:35 am-4:50 pm
1 stop7h 15m
Chicago Midway
Mon 6/8
10:25 am-5:15 pm
1 stop5h 50m
MontrealChicago
YUL - MDW
YULMDW
Montreal Pierre Elliott Trudeau Intl
Thu 5/28
6:30 am-9:40 am
1 stop4h 10m
Chicago Midway
Mon 6/1
10:25 am-5:15 pm
1 stop5h 50m
MontrealChicago
YUL - MDW
YULMDW
Montreal Pierre Elliott Trudeau Intl
Fri 5/29
10:35 am-4:50 pm
1 stop7h 15m
Chicago Midway
Tue 6/2
10:25 am-5:15 pm
1 stop5h 50m
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Thu 2/19
9:15 am-2:20 pm
1 stop6h 05m
Chicago O'Hare Intl
Sun 2/22
8:50 am-3:16 pm
1 stop5h 26m
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Sat 2/21
2:13 pm-11:43 pm
1 stop10h 30m
Chicago O'Hare Intl
Sun 2/22
8:50 am-3:16 pm
1 stop5h 26m
MontrealChicago
YUL - MDW
YULMDW
Montreal Pierre Elliott Trudeau Intl
Tue 6/2
6:30 am-9:40 am
1 stop4h 10m
Chicago Midway
Sun 6/7
10:25 am-5:15 pm
1 stop5h 50m
Best time to book a flight from Quebec to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Quebec with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Quebec to Illinois
What is the cheapest month to book a flight from Quebec to Illinois?
Currently, December is the cheapest month in which you can book a flight from Quebec to Illinois (average of $127). Flying from Quebec to Illinois in March is currently the most expensive (average of $248). 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 QC to IL?
Find hourly flight availability from Quebec 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 January 28, 2026.
It’s typically best to fly out from Quebec to Illinois in the afternoon. Doing so could potentially save you 48% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from Quebec to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Quebec to Illinois. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their Quebec to Illinois flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Quebec to Illinois
Explore weekly flight availability from Quebec 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 January 28, 2026.
The most flights from CAQC to USIL are scheduled on a Monday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 on average).
How much does it cost to fly round-trip from Quebec to Illinois?
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 January 28, 2026.
Read reviews from past customers who have flown Porter Airlines, United Airlines, and American Airlines from Quebec to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Overall
Crew
Boarding
Comfort
Reviews
Mohameed,Nov 2025
LAS - YYZ
Food
Entertainment
Overall
Crew
Boarding
Comfort
Reviews
Mohameed,Nov 2025
LAS - YYZ
Food
Entertainment
Overall
Crew
Boarding
Comfort
Reviews
Mohameed,Nov 2025
LAS - YYZ
Food
Entertainment
Overall
Crew
Boarding
Comfort
Reviews
Mohameed,Nov 2025
LAS - YYZ
Food
Entertainment
Overall
Crew
Boarding
Comfort
Reviews
Mohameed,Nov 2025
LAS - YYZ
Related info for your journey
Find useful and relevant information for your journey from Quebec 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 Quebec to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Quebec to Illinois
Discover the top 4 airlines that operate flights from Quebec 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 January 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$326 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$189 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$300 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$267 | Average$380 | FlexibilityNo cancel fee | On-time69% |