How long is the flight from Quebec to Illinois?

A quick flight from Quebec to Illinois can take about 3h 01m. Delta provides one of the quickest options available for as low as C$ 446. 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$ 186 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$ 187 and C$ 196, 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$ 251+ 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 10 October 2026.

Fri 20/114:50 p.m. -

1 stop4h 27m

Fri 27/117:05 a.m. -

1 stop3h 47m

Deal found 6/10C$ 403

Wed 25/113:10 p.m. -

1 stop5h 48m

Sun 29/111:55 p.m. -

1 stop6h 50m

Deal found 9/10C$ 406

Sat 31/106:10 p.m. -

Nonstop2h 42m

Sun 1/111:55 p.m. -

1 stop4h 51m

Deal found 9/10C$ 413

Sat 31/106:00 a.m. -

1 stop5h 11m

Sun 1/115:29 p.m. -

1 stop4h 56m

Deal found 7/10C$ 414

Wed 4/116:00 a.m. -

1 stop4h 32m

Sat 14/114:13 p.m. -

1 stop6h 35m

Deal found 6/10C$ 417

Thu 5/116:10 p.m. -

Nonstop2h 42m

Mon 16/117:05 a.m. -

Nonstop2h 12m

Deal found 6/10C$ 419

Tue 8/126:39 p.m. -

1 stop6h 17m

Sun 13/127:05 a.m. -

1 stop7h 54m

Deal found 6/10C$ 422

Tue 8/126:00 a.m. -

1 stop4h 37m

Tue 15/125:30 p.m. -

1 stop5h 11m

Deal found 6/10C$ 422

Sat 31/106:00 a.m. -

1 stop5h 11m

Sun 1/115:30 p.m. -

1 stop4h 52m

Deal found 8/10C$ 423

Sat 31/107:00 a.m. -

1 stop9h 17m

Mon 2/1112:27 p.m. -

1 stop9h 55m

Deal found 8/10C$ 423

Tue 20/106:30 p.m. -

Nonstop2h 42m

Tue 27/101:55 p.m. -

Nonstop2h 12m

Deal found 6/10C$ 424

Fri 30/1011:10 a.m. -

1 stop5h 28m

Mon 2/117:05 a.m. -

Nonstop2h 12m

Deal found 8/10C$ 426

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 10 October 2026.

Tue 17/116:00 a.m. -

1 stop4h 46m

Wed 18/115:13 p.m. -

1 stop5h 35m

Deal found 6/10C$ 417

Tue 17/114:45 p.m. -

Nonstop3h 01m

Tue 24/115:54 p.m. -

Nonstop2h 23m

Deal found 6/10C$ 446

Thu 19/1110:55 a.m. -

1 stop5h 07m

Thu 26/117:05 a.m. -

1 stop5h 55m

Deal found 5/10C$ 595

Sun 22/116:35 p.m. -

1 stop6h 19m

Fri 27/117:05 a.m. -

1 stop3h 47m

Deal found 7/10C$ 423

Sat 31/106:00 a.m. -

1 stop7h 59m

Sun 1/115:30 p.m. -

1 stop4h 52m

Deal found 9/10C$ 423

Sat 21/1112:10 p.m. -

1 stop7h 20m

Sat 28/115:53 a.m. -

1 stop4h 33m

Deal found 7/10C$ 963

Thu 29/107:00 a.m. -

1 stop7h 09m

Sun 1/115:55 a.m. -

1 stop6h 33m

Deal found 5/10C$ 483

Sun 22/116:00 a.m. -

1 stop7h 51m

Sun 29/111:31 p.m. -

1 stop8h 56m

Deal found 8/10C$ 423

Tue 8/127:00 a.m. -

1 stop10h 16m

Thu 10/121:02 p.m. -

1 stop9h 46m

Deal found 9/10C$ 423

Sat 19/124:00 p.m. -

1 stop6h 01m

Mon 4/18:31 a.m. -

1 stop5h 43m

Deal found 7/10C$ 1,135

Sat 31/106:25 p.m. -

1 stop6h 36m

Sun 1/115:00 a.m. -

1 stop5h 57m

Deal found 5/10C$ 535

Wed 18/116:05 a.m. -

1 stop6h 02m

Wed 25/117:05 a.m. -

1 stop5h 55m

Deal found 6/10C$ 595

Wed 25/116:45 a.m. -

3 stops26h 29m

Sun 29/118:42 p.m. -

2 stops27h 03m

Deal found 7/10C$ 1,211

Sat 31/102:46 p.m. -

1 stop8h 47m

Sun 1/116:44 p.m. -

1 stop3h 41m

Deal found 6/10C$ 423

Tue 24/116:00 a.m. -

1 stop4h 46m

Sun 29/116:44 p.m. -

1 stop3h 43m

Deal found 7/10C$ 423

Thu 10/1210:55 a.m. -

1 stop5h 07m

Wed 16/127:05 a.m. -

1 stop5h 56m

Deal found 6/10C$ 628

Tue 20/103:05 p.m. -

1 stop24h 30m

Fri 23/103:20 p.m. -

2 stops27h 40m

Deal found 8/10C$ 1,470

Fri 20/116:00 a.m. -

1 stop4h 46m

Sun 29/116:00 a.m. -

1 stop10h 27m

Deal found 9/10C$ 423

Thu 12/1110:55 a.m. -

1 stop5h 07m

Sun 15/1111:02 a.m. -

Nonstop2h 33m

Deal found 9/10C$ 639

Wed 27/18:29 a.m. -

Nonstop3h 00m

Fri 29/15:55 p.m. -

Nonstop2h 35m

Deal found 9/10C$ 676

Mon 23/116:00 a.m. -

1 stop7h 51m

Mon 30/116:44 p.m. -

1 stop3h 43m

Deal found 9/10C$ 423

Sat 24/106:00 a.m. -

1 stop7h 59m

Sat 31/107:00 a.m. -

1 stop8h 15m

Deal found 8/10C$ 457

Mon 16/117:00 a.m. -

1 stop11h 05m

Fri 20/112:44 p.m. -

1 stop7h 43m

Deal found 5/10C$ 481

Thu 5/113:35 p.m. -

1 stop5h 17m

Mon 9/117:05 a.m. -

1 stop6h 47m

Deal found 6/10C$ 884

Mon 26/106:00 a.m. -

1 stop7h 59m

Fri 30/108:29 a.m. -

1 stop6h 46m

Deal found 5/10C$ 483

Wed 11/115:10 p.m. -

3 stops25h 37m

Sun 15/116:08 a.m. -

2 stops19h 37m

Deal found 8/10C$ 1,275

Sun 8/116:00 a.m. -

1 stop7h 47m

Tue 10/111:31 p.m. -

1 stop8h 56m

Deal found 5/10C$ 483

Fri 20/116:45 a.m. -

2 stops12h 19m

Fri 27/118:42 p.m. -

2 stops23h 23m

Deal found 6/10C$ 1,296

Sat 21/116:00 a.m. -

1 stop4h 46m

Sat 28/116:44 p.m. -

1 stop3h 43m

Deal found 5/10C$ 483

Mon 26/106:00 a.m. -

1 stop7h 47m

Fri 30/101:27 p.m. -

1 stop8h 58m

Deal found 5/10C$ 483

Find flight deals from Quebec to Illinois

Round-trip from	C$ 403
One-way from	C$ 251
Popular in	July
Cheapest in	April
Average price	C$ 516
Good round-trip deal	C$ 540 or less
Good one-way deal	C$ 413 or less

KLM
20/11-27/11
2 total stops
8h 14m total
Quebec to Illinois

Search Deals

KLM
31/10-31/12
1 total stop
9h 00m total
Quebec to Illinois

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 78 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 October 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 - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 30/10

6:50 p.m.-11:57 p.m.

1 stop6h 07m

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 - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

9:40 a.m.-6:23 p.m.

1 stop9h 43m

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 - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 11/12

7:10 a.m.-4:43 p.m.

1 stop10h 33m

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 - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 12/12

7:00 a.m.-5:06 p.m.

1 stop11h 06m

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 - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 7/12

12:41 p.m.-7:09 p.m.

1 stop7h 28m

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 - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 3/12

12:50 p.m.-8:15 p.m.

1 stop8h 25m

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 - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

6:35 p.m.-11:54 p.m.

1 stop6h 19m

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 - ORD Chicago O'Hare Intl

YULORD

Montreal Pierre Elliott Trudeau Intl

Sun 6/12

7:10 a.m.-11:44 a.m.

1 stop5h 34m

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

Sat 12/12

7:10 a.m.-4:50 p.m.

1 stop10h 40m

Chicago Midway

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 23/11

12:50 p.m.-6:04 p.m.

1 stop6h 14m

Chicago Midway

Wed 31/12

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

Nonstop0h 00m

C$ 254

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

YHU-MDW

YUL-CMI

YQB-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-ORD

YUL-MDW

YHU-MDW

YUL-CMI

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$ 403). Flying from Quebec to Illinois in October is currently the most expensive (average of C$ 557). 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 Monday (33 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (27 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$ 463 and C$ 775 in November.
The cheapest round-trip price found within the last 5 days was C$ 403 on KLM (20 Nov-27 Nov).

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

468 reviews

Check prices

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

468 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Delta

7.8

Good

8,654 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

United Airlines

7.4

Good

10,332 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,751 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

American Airlines

7.0

Good

12,153 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

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 01m. Delta provides one of the quickest options available for as low as C$ 446. 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$ 186 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$ 187 and C$ 196, 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$ 403). Flying from Quebec to Illinois in October is currently the most expensive (average of C$ 557). 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
Porter Airlines	CheapestC$ 249	AverageC$ 473	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 255	AverageC$ 603	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 263	AverageC$ 609	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 272	AverageC$ 479	FlexibilityNo cancel fee	On-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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Cheap flights from Quebec to Illinois from C$ 251

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. 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 10 October 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 10 October 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 10 October 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 10 October 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 10 October 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 10 October 2026.

Last-minute flights from Quebec to IllinoisDiscover last-minute flight deals from Quebec to Illinois. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Quebec to Illinois. Data last updated 10 October 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 10 October 2026.

Search for one-way flight options from Quebec to Illinois. Find affordable one-way fares based on user searches. Data last updated 10 October 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 10 October 2026.

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

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 10 October 2026.

The most flights from CAQC to USIL are scheduled on a Monday (33 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (27 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$ 463 and C$ 775 in November.The cheapest round-trip price found within the last 5 days was C$ 403 on KLM (20 Nov-27 Nov).

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 10 October 2026.

Popular flight searches

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Find a return flight route from Illinois

Find the right flight back to Quebec after your stay in Illinois

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 10 October 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 10 October 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 10 October 2026.

Last-minute flights from Quebec to Illinois
Discover last-minute flight deals from Quebec to Illinois. Data last updated 10 October 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 10 October 2026.

Quebec to Illinois flights typically cost between C$ 463 and C$ 775 in November.
The cheapest round-trip price found within the last 5 days was C$ 403 on KLM (20 Nov-27 Nov).