How long is the flight from Quebec to Illinois?

A quick flight from Quebec to Illinois can take about 2h 48m. Delta provides one of the quickest options available for as low as C$ 450. 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$ 181 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$ 182 and C$ 191, 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$ 226+ 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 1 September 2026.

Wed 16/91:15 p.m. -

Nonstop2h 37m

Thu 17/98:45 a.m. -

Nonstop2h 15m

Deal found 27/8C$ 383

Fri 20/111:10 p.m. -

Nonstop2h 42m

Mon 23/112:00 p.m. -

1 stop4h 46m

Deal found 27/8C$ 384

Sun 11/108:40 a.m. -

Nonstop2h 37m

Sun 18/1011:05 a.m. -

Nonstop2h 15m

Deal found 28/8C$ 389

Mon 21/99:00 a.m. -

1 stop6h 35m

Sat 26/911:45 a.m. -

1 stop5h 27m

Deal found 30/8C$ 389

Thu 22/108:40 a.m. -

Nonstop2h 37m

Sat 24/1011:05 a.m. -

Nonstop2h 15m

Deal found 27/8C$ 390

Sat 19/96:30 a.m. -

1 stop5h 30m

Sun 20/911:45 a.m. -

1 stop5h 27m

Deal found 29/8C$ 390

Fri 25/99:00 a.m. -

1 stop6h 35m

Mon 28/911:45 a.m. -

1 stop5h 27m

Deal found 27/8C$ 391

Tue 22/99:00 a.m. -

1 stop6h 35m

Sat 26/911:45 a.m. -

1 stop5h 27m

Deal found 28/8C$ 393

Wed 14/106:30 a.m. -

1 stop5h 30m

Sat 17/1011:45 a.m. -

1 stop5h 27m

Deal found 31/8C$ 396

Sat 19/96:30 a.m. -

1 stop5h 30m

Mon 21/911:45 a.m. -

1 stop5h 27m

Deal found 27/8C$ 397

Mon 21/99:00 a.m. -

1 stop6h 35m

Thu 24/93:20 p.m. -

1 stop4h 52m

Deal found 29/8C$ 398

Fri 2/106:30 a.m. -

1 stop5h 30m

Sun 4/1011:45 a.m. -

1 stop5h 27m

Deal found 27/8C$ 400

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 1 September 2026.

Tue 8/126:00 a.m. -

1 stop4h 37m

Thu 10/121:41 p.m. -

1 stop8h 52m

Deal found 27/8C$ 439

Thu 24/99:45 a.m. -

Nonstop2h 36m

Sun 27/93:40 p.m. -

Nonstop2h 15m

Deal found 31/8C$ 448

Thu 24/94:55 p.m. -

Nonstop2h 48m

Sun 27/97:11 a.m. -

Nonstop2h 29m

Deal found 30/8C$ 450

Wed 7/106:30 a.m. -

1 stop5h 30m

Wed 14/103:20 p.m. -

1 stop4h 52m

Deal found 28/8C$ 451

Thu 1/1012:25 p.m. -

2 stops29h 15m

Fri 16/105:30 p.m. -

2 stops17h 05m

Deal found 27/8C$ 831

Sat 26/99:45 a.m. -

Nonstop2h 36m

Sat 3/1011:15 a.m. -

1 stop7h 30m

Deal found 28/8C$ 451

Sat 19/93:25 p.m. -

1 stop7h 50m

Sun 20/98:45 a.m. -

Nonstop2h 15m

Deal found 29/8C$ 451

Sat 26/96:30 a.m. -

1 stop5h 30m

Mon 28/911:45 a.m. -

1 stop5h 27m

Deal found 29/8C$ 451

Sat 17/1012:00 p.m. -

1 stop5h 53m

Wed 21/102:15 p.m. -

1 stop6h 05m

Deal found 26/8C$ 903

Thu 24/96:00 a.m. -

1 stop7h 59m

Sun 27/97:05 a.m. -

1 stop8h 14m

Deal found 30/8C$ 458

Sat 26/99:45 a.m. -

Nonstop2h 36m

Tue 29/98:50 a.m. -

1 stop4h 50m

Deal found 29/8C$ 451

Sat 21/116:00 a.m. -

Nonstop3h 00m

Mon 30/111:55 p.m. -

Nonstop2h 12m

Deal found 31/8C$ 451

Fri 25/96:30 a.m. -

1 stop5h 30m

Tue 29/93:20 p.m. -

1 stop4h 52m

Deal found 29/8C$ 451

Sun 22/116:00 a.m. -

1 stop4h 42m

Tue 1/121:41 p.m. -

1 stop8h 52m

Deal found 31/8C$ 458

Fri 25/99:45 a.m. -

Nonstop2h 36m

Sun 27/96:00 a.m. -

1 stop6h 09m

Deal found 29/8C$ 451

Thu 24/99:00 a.m. -

1 stop6h 35m

Tue 29/911:45 a.m. -

1 stop5h 27m

Deal found 29/8C$ 451

Wed 7/106:00 a.m. -

1 stop4h 32m

Tue 13/101:27 p.m. -

1 stop8h 58m

Deal found 31/8C$ 458

Thu 24/96:10 a.m. -

Nonstop2h 41m

Mon 28/97:11 a.m. -

Nonstop2h 29m

Deal found 29/8C$ 451

Fri 25/99:00 a.m. -

1 stop6h 35m

Sun 27/911:45 a.m. -

1 stop5h 27m

Deal found 28/8C$ 452

Sat 21/116:00 a.m. -

1 stop7h 51m

Mon 30/111:31 p.m. -

1 stop8h 56m

Deal found 31/8C$ 458

Tue 15/99:45 a.m. -

Nonstop2h 36m

Sat 3/106:00 a.m. -

1 stop6h 09m

Deal found 29/8C$ 459

Thu 22/106:00 a.m. -

1 stop7h 47m

Sun 25/101:27 p.m. -

1 stop8h 58m

Deal found 27/8C$ 459

Wed 30/92:20 p.m. -

1 stop5h 21m

Sun 4/105:00 a.m. -

1 stop7h 09m

Deal found 28/8C$ 459

Fri 23/106:00 a.m. -

1 stop7h 47m

Mon 26/101:27 p.m. -

1 stop8h 58m

Deal found 27/8C$ 459

Thu 24/98:00 a.m. -

1 stop7h 35m

Fri 25/911:45 a.m. -

1 stop7h 17m

Deal found 28/8C$ 563

Thu 10/912:48 p.m. -

1 stop8h 42m

Sun 13/97:05 a.m. -

1 stop3h 53m

Deal found 26/8C$ 470

Wed 27/112:45 p.m. -

1 stop8h 23m

Fri 29/13:29 p.m. -

1 stop6h 18m

Deal found 31/8C$ 500

Tue 13/104:55 p.m. -

2 stops19h 05m

Mon 19/103:20 p.m. -

1 stop22h 02m

Deal found 27/8C$ 776

Thu 1/1010:37 a.m. -

Nonstop2h 23m

Fri 16/101:55 p.m. -

Nonstop2h 21m

Deal found 27/8C$ 948

Sat 10/106:55 a.m. -

2 stops12h 05m

Tue 13/106:44 p.m. -

2 stops28h 36m

Deal found 30/8C$ 976

Find flight deals from Quebec to Illinois

Round-trip from	C$ 383
One-way from	C$ 226
Popular in	July
Cheapest in	April
Average price	C$ 407
Good round-trip deal	C$ 549 or less
Good one-way deal	C$ 327 or less

Air Canada
16/9-17/9
Nonstop
4h 52m total
Quebec to Illinois

Search Deals

Air Canada
21/9
Nonstop
2h 37m total
Quebec to Illinois

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 86 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 September 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

Tue 8/12

6:00 a.m.-9:37 a.m.

1 stop4h 37m

Chicago Midway

Thu 10/12

1:41 p.m.-11:33 p.m.

1 stop8h 52m

C$ 439

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

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

Nonstop2h 36m

Chicago O'Hare Intl

Sun 27/9

3:40 p.m.-6:55 p.m.

Nonstop2h 15m

C$ 448

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

4:55 p.m.-6:43 p.m.

Nonstop2h 48m

Chicago O'Hare Intl

Sun 27/9

7:11 a.m.-10:40 a.m.

Nonstop2h 29m

C$ 450

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

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

1 stop5h 30m

Chicago Midway

Wed 14/10

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

1 stop4h 52m

C$ 451

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

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

Nonstop2h 36m

Chicago O'Hare Intl

Sat 3/10

11:15 a.m.-7:45 p.m.

1 stop7h 30m

C$ 451

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

3:25 p.m.-10:15 p.m.

1 stop7h 50m

Chicago O'Hare Intl

Sun 20/9

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

Nonstop2h 15m

C$ 451

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

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

1 stop5h 30m

Chicago Midway

Mon 28/9

11:45 a.m.-6:12 p.m.

1 stop5h 27m

C$ 451

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

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

Nonstop2h 36m

Chicago O'Hare Intl

Tue 29/9

8:50 a.m.-2:40 p.m.

1 stop4h 50m

C$ 451

MontrealChicago

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

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

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

Nonstop3h 00m

Chicago O'Hare Intl

Mon 30/11

1:55 p.m.-5:07 p.m.

Nonstop2h 12m

C$ 451

MontrealChicago

YUL Montreal Pierre Elliott Trudeau Intl - MDW Chicago Midway

YULMDW

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

1 stop5h 30m

Chicago Midway

Tue 29/9

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

1 stop4h 52m

C$ 451

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/8

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-MDW

YUL-ORD

YOW-MDW

YQB-ORD

YOW-ORD

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-MDW

YUL-ORD

YOW-MDW

YQB-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$ 393). Flying from Quebec to Illinois in July is currently the most expensive (average of C$ 537). 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 56% 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 Friday (35 on average). You will have fewer flight options on Tuesday, 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$ 416 and C$ 594 in September.
The cheapest round-trip price found within the last 5 days was C$ 383 on Air Canada (16 Sep-17 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

8,536 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

10,152 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

12,026 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

11,566 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 48m. Delta provides one of the quickest options available for as low as C$ 450. 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$ 181 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$ 182 and C$ 191, 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$ 393). Flying from Quebec to Illinois in July is currently the most expensive (average of C$ 537). 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$ 176	AverageC$ 583	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 243	AverageC$ 437	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
American Airlines	CheapestC$ 247	AverageC$ 467	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 248	AverageC$ 510	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$ 226

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 21/9. 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 1 September 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 1 September 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 1 September 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 1 September 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 1 September 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 1 September 2026.

Last-minute flights from Quebec to IllinoisDiscover last-minute flight deals from Quebec to Illinois. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Quebec to Illinois. Data last updated 1 September 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 1 September 2026.

Search for one-way flight options from Quebec to Illinois. Find affordable one-way fares based on user searches. Data last updated 1 September 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 1 September 2026.

It’s optimal to fly from Quebec to Illinois in the evening. By choosing this option you can save up to 56% 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 1 September 2026.

The most flights from CAQC to USIL are scheduled on a Friday (35 on average). You will have fewer flight options on Tuesday, 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$ 416 and C$ 594 in September.The cheapest round-trip price found within the last 5 days was C$ 383 on Air Canada (16 Sep-17 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 1 September 2026.

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Quebec to Illinois flights

Consider these flights travelling from Quebec to Illinois.

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 1 September 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 1 September 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 1 September 2026.

Last-minute flights from Quebec to Illinois
Discover last-minute flight deals from Quebec to Illinois. Data last updated 1 September 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 1 September 2026.

Quebec to Illinois flights typically cost between C$ 416 and C$ 594 in September.
The cheapest round-trip price found within the last 5 days was C$ 383 on Air Canada (16 Sep-17 Sep).