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Cheap flights from Quebec to Illinois from C$ 238

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Quebec to Illinois

Enter your travel dates to find the best prices.

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 8 June 2026.

Sun 26/79:10 a.m.
YUL
-
ORD
1 stop5h 12m
Air Canada
Sat 1/83:40 p.m.
ORD
-
YUL
Nonstop2h 28m
Air Canada
Deal found 3/6C$ 401
Thu 2/74:30 p.m.
YUL
-
ORD
1 stop4h 46m
Air Canada
Sun 5/78:45 a.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 6/6C$ 403
Fri 13/111:10 p.m.
YUL
-
ORD
Nonstop2h 45m
Air Canada
Mon 16/111:55 p.m.
ORD
-
YUL
Nonstop2h 12m
Air Canada
Deal found 3/6C$ 406
Thu 23/710:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Sun 26/710:25 a.m.
MDW
-
YUL
1 stop6h 45m
Porter Airlines
Deal found 7/6C$ 406
Tue 23/69:10 a.m.
YUL
-
ORD
1 stop5h 12m
Air Canada
Tue 30/62:00 p.m.
ORD
-
YUL
1 stop4h 47m
Air Canada
Deal found 6/6C$ 408
Thu 25/68:40 a.m.
YUL
-
ORD
2 stops5h 30m
Air Canada
Sun 28/62:00 p.m.
ORD
-
YUL
2 stops7h 32m
Air Canada
Deal found 6/6C$ 410
Tue 30/68:40 a.m.
YUL
-
ORD
Nonstop2h 36m
Air Canada
Sat 4/73:40 p.m.
ORD
-
YUL
Nonstop2h 28m
Air Canada
Deal found 6/6C$ 411
Wed 1/71:15 p.m.
YUL
-
ORD
Nonstop2h 35m
Air Canada
Sat 4/711:05 a.m.
ORD
-
YUL
Nonstop2h 23m
Air Canada
Deal found 7/6C$ 413
Wed 1/710:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Sat 11/710:25 a.m.
MDW
-
YUL
1 stop6h 45m
Porter Airlines
Deal found 7/6C$ 413
Sun 2/811:10 a.m.
YUL
-
ORD
1 stop4h 45m
Air Canada
Sat 8/87:25 a.m.
ORD
-
YUL
1 stop5h 22m
Air Canada
Deal found 7/6C$ 414
Thu 3/99:10 a.m.
YUL
-
ORD
1 stop5h 12m
Air Canada
Mon 7/97:25 a.m.
ORD
-
YUL
1 stop5h 22m
Air Canada
Deal found 3/6C$ 417
Thu 25/610:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Sun 28/610:25 a.m.
MDW
-
YUL
1 stop6h 45m
Porter Airlines
Deal found 6/6C$ 417

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 8 June 2026.

Round-trip from

C$ 401

One-way from

C$ 238

Popular in

May

Cheapest in

April

Average price

C$ 439

Good round-trip deal

C$ 572 or less

Good one-way deal

C$ 354 or less
Air Canada
  • Air Canada
  • 26/7-1/8
  • 1 total stop
  • 7h 40m total
  • Quebec to Illinois
Search Deals
Air Canada
  • Air Canada
  • 24/7
  • 1 total stop
  • 4h 46m total
  • Quebec to Illinois
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Quebec to Illinois.
Search Deals
Price to beat on a one-way flight from Quebec to Illinois.
Search Deals

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 629,999 searches. Data last updated 8 June 2026.
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

Cheapest round-trip

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 2/12

9:28 a.m.-5:47 p.m.

1 stop9h 19m

Chicago O'Hare Intl

Sat 5/12

7:05 a.m.-12:15 p.m.

1 stop4h 10m

C$ 432

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

6:00 a.m.-1:00 p.m.

1 stop8h 00m

Chicago O'Hare Intl

Tue 7/7

2:07 p.m.-11:25 p.m.

1 stop8h 18m

C$ 433

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

6:00 a.m.-12:46 p.m.

1 stop7h 46m

Chicago Midway

Tue 7/7

1:18 p.m.-11:25 p.m.

1 stop9h 07m

C$ 433

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

10:35 a.m.-2:35 p.m.

1 stop5h 00m

Chicago Midway

Mon 17/8

10:20 a.m.-6:10 p.m.

1 stop6h 50m

C$ 440

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

9:30 a.m.-4:37 p.m.

1 stop8h 07m

Chicago O'Hare Intl

Sun 23/8

7:00 a.m.-4:20 p.m.

1 stop8h 20m

C$ 440

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

6:00 a.m.-12:46 p.m.

1 stop7h 46m

Chicago Midway

Fri 3/7

1:26 p.m.-11:28 p.m.

1 stop9h 02m

C$ 440

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

6:00 a.m.-12:39 p.m.

1 stop7h 39m

Chicago Midway

Sun 23/8

1:27 p.m.-11:30 p.m.

1 stop9h 03m

C$ 440

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 29/6

6:00 a.m.-12:46 p.m.

1 stop7h 46m

Chicago Midway

Sat 4/7

5:50 p.m.-11:28 p.m.

1 stop4h 38m

C$ 442

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

6:30 a.m.-9:40 a.m.

1 stop4h 10m

Chicago Midway

Tue 23/6

10:25 a.m.-6:10 p.m.

1 stop6h 45m

C$ 447

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 29/6

6:00 a.m.-12:46 p.m.

1 stop7h 46m

Chicago Midway

Mon 6/7

1:26 p.m.-11:28 p.m.

1 stop9h 02m

C$ 449

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 71). Flying from Quebec to Illinois in January is currently the most expensive (average of C$ 187). 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 8 June 2026.

It’s optimal to fly from Quebec to Illinois in the evening. By choosing this option you can save up to 61% on the cost of your flight, compared to a flight at noon.

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 8 June 2026.

The most flights from CAQC to USIL are scheduled on a Monday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

How much does it cost to fly round-trip from Quebec to Illinois?

How far ahead should I book a flight from Quebec to Illinois?

To ensure you get the cheapest price possible for a flight from Quebec to Illinois, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 8 June 2026.
Read through reviews of airlines operating flights from Quebec to Illinois, such as Porter Airlines,United Airlines, andAmerican Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,781 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
American Airlines
7.1
Good
11,645 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,143 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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.

  • How long is the flight from Quebec to Illinois?

    A quick flight from Quebec to Illinois can take about 2h 55m. Delta provides one of the quickest options available for as low as C$ 496. There are 1413 km between Quebec and Illinois. Both multi-stop and direct flights can be found to your destination and back.

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

    C$ 142 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 160 and C$ 192, respectively.

  • 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, February is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 71). Flying from Quebec to Illinois in January is currently the most expensive (average of C$ 187). 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

Browse thousands of different options on Cheapflights for your next trip

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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 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 629,999 searches. Data last updated 8 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 177AverageC$ 607FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 178AverageC$ 502FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 179AverageC$ 467FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 198AverageC$ 453FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Quebec to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Quebec to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Quebec to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Quebec.

Can Cheapflights find flights from Quebec to Illinois with no change fees?

Need flexible booking options for your flight to Illinois from Quebec? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Quebec to Illinois become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Quebec today and book when prices fit your budget.

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