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Cheap flights from Quebec to Illinois from C$ 233

YUL — ORD
28 Oct — 4 Nov1
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

Thu 15/108:35 a.m. -
Nonstop2h 37m
Sun 18/108:45 a.m. -
Nonstop2h 15m
Deal found 23/9C$ 406
Sat 31/106:10 p.m. -
Nonstop2h 42m
Wed 4/111:55 p.m. -
Nonstop2h 12m
Deal found 27/9C$ 410
Thu 22/106:30 a.m. -
1 stop5h 30m
Sat 24/1011:45 a.m. -
1 stop5h 27m
Deal found 23/9C$ 419
Mon 26/109:45 a.m. -
1 stop8h 55m
Tue 27/1012:20 p.m. -
1 stop5h 45m
Deal found 23/9C$ 426
Sun 8/1111:10 a.m. -
1 stop5h 28m
Sun 15/117:05 a.m. -
Nonstop2h 12m
Deal found 24/9C$ 431
Sun 22/116:10 p.m. -
Nonstop2h 42m
Fri 27/111:55 p.m. -
1 stop6h 50m
Deal found 27/9C$ 434
Fri 16/106:30 a.m. -
1 stop5h 30m
Sun 18/103:20 p.m. -
1 stop4h 52m
Deal found 25/9C$ 434
Fri 16/108:45 a.m. -
Nonstop2h 37m
Sun 18/102:00 p.m. -
1 stop4h 45m
Deal found 25/9C$ 437
Fri 16/106:30 a.m. -
1 stop5h 30m
Tue 20/103:20 p.m. -
1 stop4h 52m
Deal found 25/9C$ 438
Thu 15/106:30 a.m. -
1 stop5h 30m
Mon 19/103:20 p.m. -
1 stop4h 52m
Deal found 24/9C$ 440
Wed 21/109:00 a.m. -
1 stop6h 35m
Fri 23/103:20 p.m. -
1 stop4h 52m
Deal found 23/9C$ 441
Tue 13/106:30 a.m. -
1 stop5h 30m
Mon 19/103:20 p.m. -
1 stop4h 52m
Deal found 27/9C$ 443

Find flight deals from Quebec to Illinois

Round-trip from

C$ 406

One-way from

C$ 233

Popular in

July

Cheapest in

April

Average price

C$ 454

Good round-trip deal

C$ 536 or less

Good one-way deal

C$ 341 or less
Air Canada
  • Air Canada
  • 15/10-18/10
  • Nonstop
  • 4h 52m total
  • Quebec to Illinois
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Air Canada
  • Air Canada
  • 20/10-31/12
  • Nonstop
  • 2h 42m total
  • Quebec to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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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.
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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

Cheapest round-trip

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

6:10 a.m.-7:51 a.m.

Nonstop2h 41m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 250

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 26/1

4:45 p.m.-6:45 p.m.

Nonstop3h 00m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 259

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

6:10 a.m.-7:51 a.m.

Nonstop2h 41m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 260

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 25/11

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

Nonstop3h 00m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 260

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 24/11

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

Nonstop3h 00m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 262
Quickest round-trip

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 24/3

6:10 a.m.-7:50 a.m.

Nonstop2h 40m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 269

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 20/3

6:10 a.m.-7:50 a.m.

Nonstop2h 40m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 269

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 2/11

6:00 a.m.-12:47 p.m.

1 stop7h 47m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 273

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

6:00 a.m.-9:46 a.m.

1 stop4h 46m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 273

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

6:30 a.m.-11:00 a.m.

1 stop5h 30m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 277

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/9

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

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, April is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 397). Flying from Quebec to Illinois in October is currently the most expensive (average of C$ 554). 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?

It’s optimal to fly from Quebec to Illinois in the evening. By choosing this option you can save up to 55% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Quebec to Illinois

The most flights from CAQC to USIL are scheduled on a Tuesday (33 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (29 on average).

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

Airfare is below average for this route at the moment.
Quebec to Illinois flights typically cost between C$ 434 and C$ 686 in October.
The cheapest round-trip price found within the last 5 days was C$ 406 on Air Canada (15 Oct-18 Oct).

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 87 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

Read through reviews of airlines operating flights from Quebec to Illinois, such as Porter Airlines,Delta, andUnited 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
464 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
464 reviews
Porter Airlines
8.0
Very good
464 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Delta
7.8
Good
8,604 reviews
Porter Airlines
8.0
Very good
464 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.4
Good
10,246 reviews
Porter Airlines
8.0
Very good
464 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,699 reviews
Porter Airlines
8.0
Very good
464 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
American Airlines
7.0
Good
12,097 reviews
Porter Airlines
8.0
Very good
464 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Related info for your journey

  • How long is the flight from Quebec to Illinois?

    A quick flight from Quebec to Illinois can take about 3h. United Airlines provides one of the quickest options available for as low as C$ 455. There are 1199 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$ 184 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Porter Airlines and United Airlines, with prices starting from C$ 185 and C$ 195, 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, April is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 397). Flying from Quebec to Illinois in October is currently the most expensive (average of C$ 554). 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

Alternative routes for Quebec to Illinois

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Top 4 airlines flying from Quebec to Illinois

AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 247AverageC$ 468FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 253AverageC$ 598FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 261AverageC$ 600FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 270AverageC$ 476FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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