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Illinois

$138+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Quebec to Illinois

Keep the following information in mind while searching for Quebec to Illinois flight deals. Data was last updated July 30, 2025.

Round-trip from

$173
(Booking.com)

One-way from

$138
(Delta)

Popular in

November

Cheapest in

March

Average price

$371

Good round-trip deal

$318 or less

Good one-way deal

$229 or less
From Quebec to Illinois
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One-way flight from Quebec to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Quebec to Illinois.
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Price to beat on a one-way flight from Quebec to Illinois.
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Find flight deals from Quebec to Illinois

Cheapest flights from Quebec to Illinois
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 July 30, 2025.

This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:20 amYUL - ORD
Nonstop2h 31mAir Canada
Thu 9/188:25 pmORD - YUL
1 stop4h 25mAir Canada
Deal found 7/28$173
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:29 pmYUL - ORD
Nonstop2h 36mAmerican Airlines
Tue 9/28:34 pmORD - YUL
1 stop16h 06mAmerican Airlines
Deal found 7/27$174
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:45 amYUL - MDW
1 stop6h 39mPorter Airlines
Fri 9/55:20 pmMDW - YUL
1 stop3h 55mPorter Airlines
Deal found 7/28$183
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amYUL - ORD
1 stop8h 09mDelta
Sat 9/1310:30 amORD - YUL
1 stop7h 55mDelta
Deal found 7/30$215
This United deal was found by Cheapflights users on 7/30. 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.
Thu 9/44:55 pmYUL - ORD
Nonstop2h 46mMultiple Airlines
Sun 9/78:40 amORD - YUL
Nonstop2h 17mMultiple Airlines
Deal found 7/30$243
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:00 amYUL - MDW
1 stop7h 28mDelta
Wed 9/31:43 pmMDW - YUL
1 stop8h 33mDelta
Deal found 7/29$245
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/286:15 amYUL - ORD
Nonstop2h 46mUnited Airlines
Tue 9/22:08 pmORD - YUL
Nonstop2h 18mUnited Airlines
Deal found 7/29$262
This Booking.com deal was found by Cheapflights users on 7/29. 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.
Thu 10/1611:00 amYQB - MDW
1 stop6h 24mPorter Airlines
Fri 10/249:35 amMDW - YQB
1 stop5h 20mPorter Airlines
Deal found 7/29$314
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Thu 9/116:10 amYQB - ORD
1 stop4h 41mAir Canada
Sun 9/1410:40 amORD - YQB
1 stop5h 45mAir Canada
Deal found 7/29$317
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:35 pmYOW - MDW
1 stop4h 49mPorter Airlines
Tue 8/269:40 amMDW - YOW
1 stop6h 23mPorter Airlines
Deal found 7/28$324
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/36:33 amYOW - ORD
Nonstop2h 27mUnited Airlines
Sun 9/710:50 amORD - YOW
Nonstop2h 14mUnited Airlines
Deal found 7/29$325
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/1312:31 pmYUL - STL
1 stop10h 22mAmerican Airlines
Sat 9/202:01 pmSTL - YUL
1 stop20h 45mAmerican Airlines
Deal found 7/30$326

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quebec 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 July 30, 2025.
Use the filters below to find and compare flights from Quebec to Illinois that are best for you.

Fly from

Quebec

Fly to

Illinois

Route

Depart

Return

Price

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 9/11

8:20 am-9:51 am

Nonstop2h 31m

Chicago O'Hare Intl

Thu 9/18

8:25 pm-1:50 am

1 stop4h 25m

$173

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 8/30

5:29 pm-7:05 pm

Nonstop2h 36m

Chicago O'Hare Intl

Tue 9/2

8:34 pm-1:40 pm

1 stop16h 06m

$174

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Tue 8/19

10:45 am-4:24 pm

1 stop6h 39m

Chicago Midway

Fri 9/5

5:20 pm-10:15 pm

1 stop3h 55m

$183

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

6:00 am-1:09 pm

1 stop8h 09m

Chicago O'Hare Intl

Sat 9/13

10:30 am-7:25 pm

1 stop7h 55m

$215

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

4:55 pm-6:41 pm

Nonstop2h 46m

Chicago O'Hare Intl

Sun 9/7

8:40 am-11:57 am

Nonstop2h 17m

$243

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 8/30

6:00 am-12:28 pm

1 stop7h 28m

Chicago Midway

Wed 9/3

1:43 pm-11:16 pm

1 stop8h 33m

$245

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 8/28

6:15 am-8:01 am

Nonstop2h 46m

Chicago O'Hare Intl

Tue 9/2

2:08 pm-5:26 pm

Nonstop2h 18m

$262

Québec CityChicago

YQB - MDW

YQBMDW

Québec City

Thu 10/16

11:00 am-4:24 pm

1 stop6h 24m

Chicago Midway

Fri 10/24

9:35 am-3:55 pm

1 stop5h 20m

$314

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 9/11

6:10 am-9:51 am

1 stop4h 41m

Chicago O'Hare Intl

Sun 9/14

10:40 am-5:25 pm

1 stop5h 45m

$317

OttawaChicago

YOW - MDW

YOWMDW

Ottawa

Thu 8/21

12:35 pm-4:24 pm

1 stop4h 49m

Chicago Midway

Tue 8/26

9:40 am-5:03 pm

1 stop6h 23m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, August is the cheapest month in which you can book a flight from Quebec to Illinois (average of $245). Flying from Quebec to Illinois in March is currently the most expensive (average of $321). 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 July 30, 2025.

When flying from Quebec to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 30, 2025.

The most flights from CAQC to USIL are scheduled on a Tuesday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (29 on average).

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 July 30, 2025.
Read reviews from past customers who have flown Porter Airlines, Delta, and United 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.
Porter Airlines
8.0
Very good
318 reviews

Boarding

8.2

Crew

8.7

Food

7.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews

Boarding

8.2

Crew

8.7

Food

7.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,980 reviews
Porter Airlines
8.0
Very good
318 reviews

Boarding

8.2

Crew

8.7

Food

7.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,896 reviews
Porter Airlines
8.0
Very good
318 reviews

Boarding

8.2

Crew

8.7

Food

7.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
318 reviews

Boarding

8.2

Crew

8.7

Food

7.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,975 reviews
Porter Airlines
8.0
Very good
318 reviews

Boarding

8.2

Crew

8.7

Food

7.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • What are the cheapest airlines to fly from Quebec to Illinois one-way?

    The cheapest airlines for a one-way flight from Quebec to Illinois are Delta ($138), American Airlines ($139), and Air Canada ($145).

  • Can I find deals for flights from Quebec to Illinois that include hotel bookings?

    Yes. In addition to deals on Quebec to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Quebec to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Quebec to Illinois.

  • Can I find deals for business class flights from Quebec to Illinois?

    Yes. Cheapflights offers flight deals from Quebec to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Quebec to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Quebec to Illinois (average of $245). Flying from Quebec to Illinois in March is currently the most expensive (average of $321). 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.

See more FAQs

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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.
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Top 5 airlines flying from Quebec to Illinois

Discover the top 5 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$112Average$464FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$217Average$436FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$217Average$325FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$275Average$408FlexibilityNo cancel feeOn-time71%
WestJetCheapest$334Average$340FlexibilityNo cancel feeOn-time60%

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