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Cheap flights from Quebec to Illinois from C$ 188

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
11 May — 18 May1
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 11 April 2026.

Fri 29/510:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Tue 2/610:25 a.m.
MDW
-
YUL
1 stop6h 50m
Porter Airlines
Deal found 6/4C$ 236
Wed 3/610:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Sun 7/610:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 9/4C$ 248
Thu 28/56:30 a.m.
YUL
-
MDW
1 stop4h 15m
Porter Airlines
Fri 29/510:30 a.m.
MDW
-
YUL
1 stop5h 45m
Porter Airlines
Deal found 9/4C$ 249
Wed 20/56:30 a.m.
YUL
-
MDW
1 stop9h 05m
Porter Airlines
Wed 27/510:30 a.m.
MDW
-
YUL
1 stop5h 45m
Porter Airlines
Deal found 8/4C$ 277
Tue 26/510:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Fri 29/510:30 a.m.
MDW
-
YUL
1 stop5h 45m
Porter Airlines
Deal found 8/4C$ 278
Fri 29/56:30 a.m.
YUL
-
MDW
1 stop4h 15m
Porter Airlines
Mon 1/63:20 p.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 10/4C$ 322
Fri 5/62:30 p.m.
YUL
-
ORD
1 stop6h 46m
Air Canada
Mon 8/67:25 a.m.
ORD
-
YUL
1 stop5h 20m
Air Canada
Deal found 6/4C$ 328
Thu 11/68:45 a.m.
YUL
-
ORD
1 stop5h 25m
Air Canada
Mon 15/67:25 a.m.
ORD
-
YUL
1 stop5h 20m
Air Canada
Deal found 5/4C$ 329
Mon 8/66:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Thu 11/610:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 6/4C$ 329
Thu 4/66:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Thu 11/63:20 p.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 9/4C$ 340
Thu 23/49:15 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Mon 27/46:40 p.m.
ORD
-
YUL
1 stop4h 51m
Air Canada
Deal found 6/4C$ 342
Fri 24/49:15 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Sun 26/47:55 a.m.
ORD
-
YUL
1 stop5h 26m
Air Canada
Deal found 5/4C$ 343

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 11 April 2026.

Round-trip from

C$ 236

One-way from

C$ 188

Popular in

December

Cheapest in

March

Average price

C$ 422

Good round-trip deal

C$ 534 or less

Good one-way deal

C$ 397 or less
Porter Airlines
  • Porter Airlines
  • 29/5-2/6
  • 2 total stops
  • 11h 50m total
  • Quebec to Illinois
Search Deals
Porter Airlines
  • Porter Airlines
  • 8/5
  • 1 total stop
  • 4h 15m total
  • Quebec to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 11 April 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 - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

12:49 p.m.-6:33 p.m.

1 stop6h 44m

Chicago Midway

Sun 10/5

6:36 p.m.-11:13 p.m.

1 stop3h 37m

C$ 383

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

12:40 p.m.-9:09 p.m.

1 stop9h 29m

Chicago Midway

Wed 13/5

12:53 p.m.-11:57 p.m.

1 stop10h 04m

C$ 383

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

6:45 p.m.-11:59 p.m.

1 stop6h 14m

Chicago O'Hare Intl

Mon 27/4

5:04 p.m.-11:08 p.m.

1 stop5h 04m

C$ 384

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

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

1 stop4h 10m

Chicago Midway

Mon 1/6

3:20 p.m.-10:10 p.m.

1 stop5h 50m

C$ 387

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

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

1 stop5h 00m

Chicago Midway

Wed 3/6

3:20 p.m.-10:10 p.m.

1 stop5h 50m

C$ 387

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:10 a.m.-8:00 a.m.

Nonstop2h 50m

Chicago O'Hare Intl

Mon 11/5

4:25 p.m.-12:13 a.m.

1 stop6h 48m

C$ 397

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 2/7

6:00 a.m.-9:26 p.m.

2 stops16h 26m

Lambert-St Louis

Sun 5/7

1:13 p.m.-9:35 p.m.

1 stop7h 22m

C$ 398

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Tue 2/6

6:25 a.m.-9:16 p.m.

1 stop15h 51m

Lambert-St Louis

Fri 5/6

6:00 a.m.-9:35 p.m.

1 stop14h 35m

C$ 398

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

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

1 stop4h 10m

Chicago Midway

Tue 21/7

3:20 p.m.-8:10 p.m.

1 stop3h 50m

C$ 401

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

6:00 a.m.-1:01 p.m.

1 stop8h 01m

Chicago O'Hare Intl

Fri 19/6

1:46 p.m.-11:59 p.m.

1 stop9h 13m

C$ 404

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

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, December is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 176). Flying from Quebec to Illinois in March is currently the most expensive (average of C$ 279). 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 11 April 2026.

It’s optimal to fly from Quebec to Illinois in the evening. By choosing this option you can save up to 59% 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 11 April 2026.

The most flights from CAQC to USIL are scheduled on a Wednesday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 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 11 April 2026.
Read through reviews of airlines operating flights from Quebec to Illinois, such as Porter Airlines,United Airlines, andWestJet. 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
432 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
432 reviews
Porter Airlines
8.0
Very good
432 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,567 reviews
Porter Airlines
8.0
Very good
432 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,320 reviews
Porter Airlines
8.0
Very good
432 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,568 reviews
Porter Airlines
8.0
Very good
432 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,915 reviews
Porter Airlines
8.0
Very good
432 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 50m. Delta provides one of the quickest options available for as low as C$ 397. There are 1199 km between Quebec and Illinois. Both multi-stop and direct flights can be found to your destination and back.

  • 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, December is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 176). Flying from Quebec to Illinois in March is currently the most expensive (average of C$ 279). 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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 175AverageC$ 582FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 178AverageC$ 459FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 189AverageC$ 445FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 257AverageC$ 525FlexibilityNo cancel feeOn-time69%
Search United 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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