How long is the flight from Quebec to Illinois?

A quick flight from Quebec to Illinois can take about 2h 36m. Porter Airlines provides one of the quickest options available for as low as C$ 452. 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$ 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.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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.

C$ 225+ Cheap Flights from Quebec to Illinois

Cheap flight deals from Quebec to Illinois

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 25 August 2026.

Thu 17/96:30 p.m. -

Nonstop2h 42m

Sun 20/911:05 a.m. -

Nonstop2h 15m

Deal found 24/8C$ 376

Sun 27/910:35 a.m. -

1 stop5h 00m

Wed 30/911:45 a.m. -

1 stop5h 27m

Deal found 20/8C$ 376

Fri 25/96:30 p.m. -

Nonstop2h 42m

Mon 28/911:15 a.m. -

Nonstop2h 15m

Deal found 25/8C$ 379

Fri 25/96:30 a.m. -

1 stop5h 30m

Wed 30/93:20 p.m. -

1 stop4h 52m

Deal found 20/8C$ 383

Sat 12/98:40 a.m. -

Nonstop2h 35m

Thu 17/911:05 a.m. -

Nonstop2h 15m

Deal found 25/8C$ 384

Fri 18/96:30 p.m. -

Nonstop2h 42m

Tue 22/97:25 a.m. -

1 stop5h 20m

Deal found 25/8C$ 386

Sat 12/96:30 a.m. -

1 stop5h 30m

Sun 13/93:20 p.m. -

1 stop4h 52m

Deal found 20/8C$ 386

Sat 12/96:30 a.m. -

1 stop5h 30m

Sat 19/911:45 a.m. -

1 stop5h 27m

Deal found 21/8C$ 387

Fri 2/106:30 a.m. -

1 stop5h 30m

Mon 5/1011:45 a.m. -

1 stop5h 27m

Deal found 23/8C$ 389

Fri 25/99:00 a.m. -

1 stop6h 35m

Mon 28/911:45 a.m. -

1 stop5h 27m

Deal found 21/8C$ 390

Sat 5/910:20 a.m. -

1 stop5h 15m

Tue 8/93:20 p.m. -

1 stop4h 52m

Deal found 21/8C$ 391

Sat 10/102:30 p.m. -

1 stop7h 11m

Wed 14/102:00 p.m. -

1 stop6h 45m

Deal found 25/8C$ 394

Best flights from Quebec to Illinois
Discover carefully curated flight deals from Quebec to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Wed 9/99:00 a.m. -

1 stop6h 35m

Thu 17/93:20 p.m. -

1 stop4h 52m

Deal found 20/8C$ 413

Tue 17/116:00 a.m. -

1 stop8h 59m

Tue 24/117:05 a.m. -

1 stop7h 53m

Deal found 25/8C$ 418

Fri 2/109:45 a.m. -

Nonstop2h 36m

Sun 4/105:56 p.m. -

Nonstop2h 30m

Deal found 24/8C$ 452

Thu 22/109:45 a.m. -

Nonstop2h 36m

Mon 26/102:00 p.m. -

1 stop6h 45m

Deal found 23/8C$ 452

Fri 2/107:20 a.m. -

1 stop10h 20m

Sun 4/105:30 p.m. -

1 stop20h 50m

Deal found 20/8C$ 477

Tue 20/107:00 a.m. -

1 stop5h 21m

Fri 23/102:00 p.m. -

1 stop4h 52m

Deal found 25/8C$ 730

Tue 17/112:30 p.m. -

1 stop5h 55m

Mon 23/115:05 p.m. -

1 stop5h 22m

Deal found 25/8C$ 438

Thu 15/106:10 a.m. -

Nonstop2h 41m

Mon 19/108:45 a.m. -

Nonstop2h 15m

Deal found 20/8C$ 452

Wed 9/96:10 a.m. -

Nonstop2h 41m

Wed 16/912:55 p.m. -

1 stop5h 50m

Deal found 24/8C$ 455

Tue 6/109:00 a.m. -

1 stop6h 35m

Sun 11/103:20 p.m. -

1 stop4h 52m

Deal found 23/8C$ 495

Sat 12/99:45 a.m. -

Nonstop2h 36m

Sun 13/911:05 a.m. -

Nonstop2h 15m

Deal found 22/8C$ 454

Mon 16/116:00 a.m. -

1 stop7h 51m

Sun 22/116:44 p.m. -

1 stop3h 43m

Deal found 25/8C$ 458

Mon 14/93:25 p.m. -

1 stop10h 03m

Wed 16/92:00 p.m. -

1 stop6h 45m

Deal found 24/8C$ 459

Wed 28/107:00 a.m. -

1 stop5h 47m

Tue 3/116:04 a.m. -

1 stop6h 35m

Deal found 22/8C$ 460

Thu 26/116:00 a.m. -

1 stop6h 25m

Mon 30/1112:30 p.m. -

1 stop10h 00m

Deal found 24/8C$ 460

Wed 21/103:00 p.m. -

Nonstop2h 55m

Sun 25/105:00 a.m. -

1 stop6h 00m

Deal found 25/8C$ 563

Sun 4/1010:40 a.m. -

1 stop4h 55m

Sun 11/103:20 p.m. -

1 stop5h 22m

Deal found 20/8C$ 592

Sat 19/96:25 p.m. -

1 stop17h 35m

Mon 21/93:20 p.m. -

1 stop8h 00m

Deal found 23/8C$ 499

Tue 6/106:00 a.m. -

1 stop4h 17m

Tue 13/101:27 p.m. -

1 stop8h 58m

Deal found 23/8C$ 460

Wed 18/113:45 p.m. -

Nonstop3h 09m

Sun 22/115:00 a.m. -

1 stop10h 41m

Deal found 25/8C$ 568

Fri 2/1010:40 a.m. -

1 stop4h 55m

Sun 4/103:20 p.m. -

1 stop3h 42m

Deal found 20/8C$ 603

Fri 13/117:00 a.m. -

1 stop10h 18m

Sat 14/115:29 p.m. -

1 stop5h 01m

Deal found 23/8C$ 460

Sat 19/95:10 a.m. -

1 stop4h 45m

Tue 22/95:53 p.m. -

1 stop6h 42m

Deal found 24/8C$ 756

Wed 18/113:45 p.m. -

Nonstop3h 09m

Mon 23/114:40 p.m. -

1 stop5h 07m

Deal found 22/8C$ 571

Thu 17/98:00 p.m. -

2 stops14h 00m

Mon 21/97:00 a.m. -

2 stops16h 25m

Deal found 22/8C$ 820

Thu 10/99:30 a.m. -

1 stop9h 34m

Thu 17/97:05 a.m. -

1 stop8h 14m

Deal found 25/8C$ 463

Wed 14/103:00 p.m. -

Nonstop2h 55m

Thu 22/1011:05 a.m. -

1 stop5h 21m

Deal found 23/8C$ 575

Wed 27/16:00 a.m. -

1 stop9h 35m

Fri 29/111:45 a.m. -

1 stop10h 02m

Deal found 20/8C$ 578

Sat 19/910:40 a.m. -

1 stop4h 55m

Tue 22/93:20 p.m. -

1 stop5h 22m

Deal found 24/8C$ 650

Tue 6/1012:35 p.m. -

2 stops8h 45m

Wed 7/108:55 a.m. -

1 stop6h 02m

Deal found 23/8C$ 802

Find flight deals from Quebec to Illinois

Round-trip from	C$ 376
One-way from	C$ 225
Popular in	July
Cheapest in	April
Average price	C$ 499
Good round-trip deal	C$ 546 or less
Good one-way deal	C$ 326 or less

Air Canada
17/9-20/9
Nonstop
4h 57m total
Quebec to Illinois

Search Deals

Air Canada
24/9
Nonstop
2h 42m total
Quebec to Illinois

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 88 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

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

1 stop6h 35m

Chicago Midway

Thu 17/9

3:20 p.m.-9:12 p.m.

1 stop4h 52m

C$ 413

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

6:00 a.m.-1:59 p.m.

1 stop8h 59m

Chicago O'Hare Intl

Tue 24/11

7:05 a.m.-3:58 p.m.

1 stop7h 53m

C$ 418

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

2:30 p.m.-7:25 p.m.

1 stop5h 55m

Chicago O'Hare Intl

Mon 23/11

5:05 p.m.-11:27 p.m.

1 stop5h 22m

C$ 438

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 2/10

9:45 a.m.-11:21 a.m.

Nonstop2h 36m

Chicago O'Hare Intl

Sun 4/10

5:56 p.m.-9:26 p.m.

Nonstop2h 30m

C$ 452

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

9:45 a.m.-11:21 a.m.

Nonstop2h 36m

Chicago O'Hare Intl

Mon 26/10

2:00 p.m.-9:45 p.m.

1 stop6h 45m

C$ 452

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

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

Nonstop2h 41m

Chicago O'Hare Intl

Mon 19/10

8:45 a.m.-12:00 p.m.

Nonstop2h 15m

C$ 452

Quickest round-trip

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

9:45 a.m.-11:21 a.m.

Nonstop2h 36m

Chicago O'Hare Intl

Sun 13/9

11:05 a.m.-2:20 p.m.

Nonstop2h 15m

C$ 454

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

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

Nonstop2h 41m

Chicago O'Hare Intl

Wed 16/9

12:55 p.m.-7:45 p.m.

1 stop5h 50m

C$ 455

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

6:00 a.m.-12:51 p.m.

1 stop7h 51m

Chicago Midway

Sun 22/11

6:44 p.m.-11:27 p.m.

1 stop3h 43m

C$ 458

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

3:25 p.m.-12:28 a.m.

1 stop10h 03m

Chicago O'Hare Intl

Wed 16/9

2:00 p.m.-9:45 p.m.

1 stop6h 45m

C$ 459

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

YUL-ORD

YUL-MDW

YQB-ORD

YOW-ORD

YUL-STL

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

CAQC-USIL

YUL-ORD

YUL-MDW

YQB-ORD

YOW-ORD

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$ 391). 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 57% 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 Monday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 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$ 402 and C$ 633 in September.
The cheapest round-trip price found within the last 5 days was C$ 376 on Air Canada (17 Sep-20 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

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Porter Airlines

8.0

Very good

458 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Delta

7.8

Good

8,529 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

United Airlines

7.4

Good

10,122 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

American Airlines

7.1

Good

11,993 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Air Canada

7.1

Good

11,532 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

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 36m. Porter Airlines provides one of the quickest options available for as low as C$ 452. 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$ 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$ 391). 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

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Alternative routes for Quebec to Illinois

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Top 4 airlines flying from Quebec to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 175	AverageC$ 575	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 242	AverageC$ 435	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
American Airlines	CheapestC$ 246	AverageC$ 452	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 247	AverageC$ 498	FlexibilityNo cancel fee	On-time69%	Search United 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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Cheap flights from Quebec to Illinois from C$ 225

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Quebec to Illinois

Cheapest flights from Quebec to IllinoisExplore 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 25 August 2026.

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 25 August 2026.

Best flights from Quebec to IllinoisDiscover carefully curated flight deals from Quebec to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Discover carefully curated flight deals from Quebec to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Direct flights from Quebec to IllinoisExplore direct flight options from Quebec to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

Explore direct flight options from Quebec to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

Last-minute flights from Quebec to IllinoisDiscover last-minute flight deals from Quebec to Illinois. Data last updated 25 August 2026 and is based on user searches.

Discover last-minute flight deals from Quebec to Illinois. Data last updated 25 August 2026 and is based on user searches.

One-way flights from Quebec to IllinoisSearch for one-way flight options from Quebec to Illinois. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Search for one-way flight options from Quebec to Illinois. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Find flight deals from Quebec to Illinois

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Quebec to Illinois that are best for you.

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.

Cheapflights Insights

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

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 25 August 2026.

It’s optimal to fly from Quebec to Illinois in the evening. By choosing this option you can save up to 57% 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 25 August 2026.

The most flights from CAQC to USIL are scheduled on a Monday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 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$ 402 and C$ 633 in September.The cheapest round-trip price found within the last 5 days was C$ 376 on Air Canada (17 Sep-20 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.

Related info for your journey

How long is the flight from Quebec to Illinois?

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

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

How can I find direct flights from Quebec to Illinois?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Quebec to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Quebec to Illinois by cabin class

Find flights from Quebec to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Quebec and Illinois flights

Browse other Quebec and Illinois flight options. Last updated on 25 August 2026.

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Quebec to Illinois flights

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Top 4 airlines flying from Quebec to Illinois

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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 25 August 2026.

Best flights from Quebec to Illinois
Discover carefully curated flight deals from Quebec to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Direct flights from Quebec to Illinois
Explore direct flight options from Quebec to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

Last-minute flights from Quebec to Illinois
Discover last-minute flight deals from Quebec to Illinois. Data last updated 25 August 2026 and is based on user searches.

One-way flights from Quebec to Illinois
Search for one-way flight options from Quebec to Illinois. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Quebec to Illinois flights typically cost between C$ 402 and C$ 633 in September.
The cheapest round-trip price found within the last 5 days was C$ 376 on Air Canada (17 Sep-20 Sep).