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Cheap flights from Quebec to Illinois from C$ 227

YUL — ORD
10 Oct — 17 Oct1
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

Wed 23/96:30 p.m. -
Nonstop2h 42m
Sat 26/97:25 a.m. -
1 stop5h 20m
Deal found 4/9C$ 387
Tue 22/96:30 a.m. -
1 stop5h 30m
Wed 23/93:20 p.m. -
1 stop4h 52m
Deal found 6/9C$ 387
Tue 22/91:15 p.m. -
Nonstop2h 37m
Sat 26/911:05 a.m. -
Nonstop2h 15m
Deal found 6/9C$ 389
Fri 25/99:00 a.m. -
1 stop6h 35m
Mon 28/93:20 p.m. -
1 stop4h 52m
Deal found 9/9C$ 389
Tue 20/106:30 p.m. -
Nonstop2h 42m
Wed 28/101:55 p.m. -
Nonstop2h 12m
Deal found 8/9C$ 390
Thu 24/99:10 a.m. -
1 stop5h 13m
Mon 28/92:00 p.m. -
1 stop4h 45m
Deal found 7/9C$ 392
Sat 26/96:30 a.m. -
1 stop5h 30m
Sun 27/911:45 a.m. -
1 stop5h 27m
Deal found 5/9C$ 392
Mon 26/104:10 p.m. -
1 stop4h 48m
Tue 27/101:55 p.m. -
Nonstop2h 12m
Deal found 5/9C$ 393
Fri 25/99:00 a.m. -
1 stop6h 35m
Fri 2/103:20 p.m. -
1 stop4h 52m
Deal found 9/9C$ 393
Sun 6/127:10 a.m. -
1 stop7h 03m
Sun 6/123:45 p.m. -
Nonstop2h 12m
Deal found 6/9C$ 394
Thu 22/106:30 a.m. -
1 stop5h 30m
Sat 24/1011:45 a.m. -
1 stop5h 27m
Deal found 7/9C$ 396
Thu 22/108:35 a.m. -
Nonstop2h 37m
Sat 31/101:55 p.m. -
1 stop6h 50m
Deal found 8/9C$ 397

Find flight deals from Quebec to Illinois

Round-trip from

C$ 387

One-way from

C$ 227

Popular in

July

Cheapest in

April

Average price

C$ 423

Good round-trip deal

C$ 551 or less

Good one-way deal

C$ 360 or less
Air Canada
  • Air Canada
  • 23/9-26/9
  • 1 total stop
  • 8h 02m total
  • Quebec to Illinois
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Air Canada
  • Air Canada
  • 20/10-31/12
  • 2 total stops
  • 7h 20m total
  • Quebec to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 76 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

Thu 22/10

8:35 a.m.-1:23 p.m.

2 stops5h 48m

Chicago O'Hare Intl

Wed 31/12

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

Nonstop0h 00m

C$ 230

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

9:00 a.m.-2:35 p.m.

1 stop6h 35m

Chicago Midway

Wed 31/12

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

Nonstop0h 00m

C$ 234

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

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$ 245

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

8:40 a.m.-2:55 p.m.

2 stops7h 15m

Chicago O'Hare Intl

Wed 31/12

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

Nonstop0h 00m

C$ 254

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

9:00 a.m.-2:35 p.m.

1 stop6h 35m

Chicago Midway

Wed 31/12

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

Nonstop0h 00m

C$ 254

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 5/10

12:48 p.m.-8:30 p.m.

1 stop8h 42m

Chicago O'Hare Intl

Wed 31/12

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

Nonstop0h 00m

C$ 256

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

6:00 a.m.-10:29 a.m.

1 stop5h 29m

Chicago O'Hare Intl

Wed 31/12

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

Nonstop0h 00m

C$ 256

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

6:00 a.m.-9:32 a.m.

1 stop4h 32m

Chicago Midway

Wed 31/12

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

Nonstop0h 00m

C$ 256

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

6:00 a.m.-9:32 a.m.

1 stop4h 32m

Chicago Midway

Wed 31/12

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

Nonstop0h 00m

C$ 256

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sun 6/12

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

1 stop8h 01m

Chicago Midway

Wed 31/12

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

Nonstop0h 00m

C$ 256

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

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$ 390). Flying from Quebec to Illinois in August is currently the most expensive (average of C$ 536). 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 Saturday, which is when the least amount of flights are scheduled (22 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$ 405 and C$ 605 in September.
The cheapest round-trip price found within the last 5 days was C$ 387 on Air Canada (26 Sep-27 Sep).

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
460 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Crew

8.6

Overall

8.0

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
460 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Crew

8.6

Overall

8.0

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
8,553 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Crew

8.6

Overall

8.0

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
10,194 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Crew

8.6

Overall

8.0

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
7.1
Good
12,045 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Crew

8.6

Overall

8.0

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
11,608 reviews
Porter Airlines
8.0
Very good
460 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Crew

8.6

Overall

8.0

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 2h 55m. Delta provides one of the quickest options available for as low as C$ 494. 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$ 180 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$ 181 and C$ 190, 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$ 390). Flying from Quebec to Illinois in August is currently the most expensive (average of C$ 536). 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
Air CanadaCheapestC$ 175AverageC$ 582FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 241AverageC$ 434FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 247AverageC$ 507FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 264AverageC$ 481FlexibilityNo 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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