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

C$ 210 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 213 and C$ 217, respectively.

How far in advance should I book a flight from Quebec to Illinois?

Find a great deal and save up to 79% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Quebec to Illinois within the next two weeks, with the cheapest ticket starting at C$ 497.

What is the cheapest month to fly from Quebec to Illinois?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, February can be a great choice for travel to Illinois. Flights to Illinois from Quebec in February are about C$ 496 on average during February, but can be found for as low as C$ 354.

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$ 207+ Flights from Quebec to Illinois

Cheap flight deals from Quebec to Illinois

Round-trip from	C$ 368
One-way from	C$ 207
Popular in	November
Cheapest in	February
Average price	C$ 423
Good round-trip deal	C$ 468 or less
Good one-way deal	C$ 266 or less

Air Canada
17/4-20/4
1 total stop
7h 16m total
Quebec to Illinois

Search Deals

18/3
2 total stops
17h 34m total
Quebec to Illinois

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (C$ 31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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

Find flight deals from Quebec to Illinois

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 21 February 2025.

Sat 15/33:30 p.m.YUL - ORD

1 stop9h 26mMultiple Airlines

Wed 19/35:55 a.m.ORD - YUL

3 stops33h 50mMultiple Airlines

Deal found 19/2C$ 368

Sun 6/46:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Sun 13/411:15 a.m.MDW - YUL

1 stop4h 37mPorter Airlines

Deal found 20/2C$ 368

Fri 21/38:50 a.m.YUL - ORD

1 stop5h 06mAir Canada

Mon 24/38:30 p.m.ORD - YUL

1 stop4h 23mAir Canada

Deal found 19/2C$ 369

Thu 24/49:45 a.m.YUL - ORD

Nonstop2h 47mLufthansa

Sun 27/47:20 a.m.ORD - YUL

Nonstop2h 16mLufthansa

Deal found 19/2C$ 371

Thu 24/48:30 a.m.YUL - ORD

1 stop5h 45mUnited Airlines

Sun 27/47:20 a.m.ORD - YUL

Nonstop2h 16mUnited Airlines

Deal found 19/2C$ 372

Fri 25/412:50 p.m.YUL - MDW

1 stop6h 30mDelta

Tue 29/412:48 p.m.MDW - YUL

1 stop10h 11mDelta

Deal found 20/2C$ 392

Sat 5/412:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Mon 7/48:30 p.m.ORD - YUL

1 stop12h 20mAmerican Airlines

Deal found 19/2C$ 415

Sat 5/43:55 p.m.YUL - STL

1 stop26h 57mMultiple Airlines

Tue 15/46:11 p.m.STL - YUL

1 stop19h 44mMultiple Airlines

Deal found 20/2C$ 428

Sat 17/56:00 a.m.YUL - ORD

1 stop4h 24mDelta

Wed 21/55:50 a.m.ORD - YUL

1 stop10h 19mDelta

Deal found 19/2C$ 432

Sat 8/37:14 a.m.YUL - ORD

1 stop6h 01mBritish Airways

Sat 29/35:11 p.m.ORD - YUL

1 stop4h 34mBritish Airways

Deal found 20/2C$ 452

Thu 10/411:50 a.m.YUL - MDW

1 stop5h 50mMultiple Airlines

Sat 12/412:58 p.m.MDW - YUL

1 stop10h 17mMultiple Airlines

Deal found 19/2C$ 460

Wed 19/35:55 a.m.YOW - ORD

2 stops19h 03mMultiple Airlines

Wed 26/39:08 p.m.ORD - YOW

2 stops26h 01mMultiple Airlines

Deal found 19/2C$ 473

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 21 February 2025.

Thu 17/49:15 a.m.YUL - ORD

1 stop5h 00mAir Canada

Sun 20/47:20 a.m.ORD - YUL

Nonstop2h 16mAir Canada

Deal found 20/2C$ 368

Sun 6/46:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Sun 13/411:15 a.m.MDW - YUL

1 stop4h 37mPorter Airlines

Deal found 20/2C$ 368

Tue 1/43:55 p.m.YUL - ORD

2 stops17h 49mMultiple Airlines

Fri 4/45:10 a.m.ORD - YUL

1 stop8h 45mMultiple Airlines

Deal found 20/2C$ 375

Fri 21/312:55 p.m.YUL - ORD

1 stop5h 33mAmerican Airlines

Tue 22/48:30 p.m.ORD - YUL

1 stop12h 20mAmerican Airlines

Deal found 19/2C$ 385

Thu 24/48:30 p.m.YUL - ORD

1 stop12h 34mUnited Airlines

Sun 27/47:00 a.m.ORD - YUL

1 stop4h 48mUnited Airlines

Deal found 20/2C$ 392

Fri 25/412:50 p.m.YUL - MDW

1 stop6h 30mDelta

Tue 29/412:48 p.m.MDW - YUL

1 stop10h 11mDelta

Deal found 20/2C$ 392

Thu 27/36:00 a.m.YUL - ORD

Nonstop2h 57mLufthansa

Sun 30/311:35 a.m.ORD - YUL

Nonstop2h 16mLufthansa

Deal found 19/2C$ 399

Sat 8/37:14 a.m.YUL - ORD

1 stop6h 01mBritish Airways

Sat 29/35:11 p.m.ORD - YUL

1 stop4h 34mBritish Airways

Deal found 20/2C$ 452

Fri 21/31:30 p.m.YUL - ORD

2 stops9h 17mWestJet

Fri 28/36:45 a.m.ORD - YUL

1 stop8h 15mWestJet

Deal found 19/2C$ 497

Sat 5/43:55 p.m.YUL - STL

1 stop26h 57mMultiple Airlines

Tue 15/46:11 p.m.STL - YUL

1 stop19h 44mMultiple Airlines

Deal found 20/2C$ 428

Thu 22/512:25 p.m.YOW - MDW

1 stop4h 59mPorter Airlines

Sat 24/59:15 a.m.MDW - YOW

1 stop7h 59mPorter Airlines

Deal found 20/2C$ 484

Thu 6/312:49 p.m.YUL - ORD

1 stop9h 04mDelta

Fri 14/31:26 p.m.ORD - YUL

1 stop9h 00mDelta

Deal found 20/2C$ 494

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 21 February 2025.

Thu 24/41:10 p.m.YUL - ORD

Nonstop2h 40mLufthansa

Sun 27/47:20 a.m.ORD - YUL

Nonstop2h 16mLufthansa

Deal found 20/2C$ 369

Fri 21/36:00 a.m.YUL - ORD

Nonstop2h 57mAir Canada

Tue 22/47:20 a.m.ORD - YUL

Nonstop2h 16mAir Canada

Deal found 19/2C$ 374

Thu 12/66:15 a.m.YUL - ORD

Nonstop2h 44mUnited Airlines

Tue 24/67:07 a.m.ORD - YUL

Nonstop2h 21mUnited Airlines

Deal found 19/2C$ 385

Sat 17/56:40 p.m.YUL - ORD

Nonstop2h 32mMultiple Airlines

Sat 24/55:58 p.m.ORD - YUL

Nonstop2h 31mMultiple Airlines

Deal found 19/2C$ 423

Sat 5/412:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Mon 7/48:25 a.m.ORD - YUL

Nonstop2h 19mAmerican Airlines

Deal found 19/2C$ 435

Sun 4/56:33 a.m.YOW - ORD

Nonstop2h 29mAir Canada

Thu 8/510:53 a.m.ORD - YOW

Nonstop2h 11mAir Canada

Deal found 19/2C$ 531

Sat 10/55:25 p.m.YOW - ORD

Nonstop2h 29mUnited Airlines

Fri 16/51:55 p.m.ORD - YOW

Nonstop2h 11mUnited Airlines

Deal found 19/2C$ 607

Thu 15/56:10 p.m.YUL - STL

Nonstop2h 51mAir Canada

Sat 17/51:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Deal found 20/2C$ 629

Wed 11/63:18 p.m.YQB - ORD

Nonstop2h 56mAir Canada

Sun 22/610:39 a.m.ORD - YQB

Nonstop2h 37mAir Canada

Deal found 19/2C$ 707

Tue 13/52:15 p.m.YQB - ORD

Nonstop2h 50mAmerican Airlines

Thu 15/59:55 a.m.ORD - YQB

Nonstop2h 35mAmerican Airlines

Deal found 18/2C$ 737

Last-minute flights from Quebec to Illinois
Discover last-minute flight deals from Quebec to Illinois. Data last updated 21 February 2025 and is based on user searches.

Sat 22/26:00 a.m.YUL - MDW

1 stop12h 43mWestJet

Mon 24/21:26 p.m.MDW - YUL

1 stop9h 14mWestJet

Deal found 18/2C$ 514

Tue 25/29:30 a.m.YOW - MDW

1 stop3h 55mPorter Airlines

Mon 3/311:15 a.m.MDW - YOW

1 stop4h 54mPorter Airlines

Deal found 20/2C$ 605

Wed 26/29:35 p.m.YOW - ORD

2 stops19h 21mMultiple Airlines

Sat 1/38:44 p.m.ORD - YOW

1 stop22h 28mMultiple Airlines

Deal found 19/2C$ 561

Thu 27/28:15 a.m.YUL - ORD

1 stop5h 56mAir Canada

Mon 3/35:58 p.m.ORD - YUL

Nonstop2h 19mAir Canada

Deal found 20/2C$ 572

Thu 27/212:49 p.m.YUL - ORD

1 stop9h 04mDelta

Thu 6/35:45 a.m.ORD - YUL

1 stop10h 13mDelta

Deal found 20/2C$ 628

Thu 27/29:50 a.m.YQB - ORD

1 stop5h 55mAir Canada

Fri 28/27:20 a.m.ORD - YQB

1 stop4h 51mAir Canada

Deal found 19/2C$ 716

Fri 28/26:50 a.m.YUL - ORD

2 stops29h 15mMultiple Airlines

Mon 3/33:14 p.m.ORD - YUL

2 stops24h 31mMultiple Airlines

Deal found 20/2C$ 541

Fri 28/21:35 p.m.YUL - ORD

1 stop8h 57mUnited Airlines

Sat 1/312:00 p.m.ORD - YUL

1 stop6h 57mUnited Airlines

Deal found 20/2C$ 790

Sat 1/35:35 p.m.YUL - ORD

1 stop15h 14mAmerican Airlines

Thu 6/37:00 a.m.ORD - YUL

1 stop5h 35mAmerican Airlines

Deal found 20/2C$ 651

Sun 2/311:45 a.m.YUL - MDW

1 stop5h 55mPorter Airlines

Wed 5/311:15 a.m.MDW - YUL

1 stop4h 30mPorter Airlines

Deal found 19/2C$ 482

Sun 2/37:05 a.m.YUL - ORD

1 stop6h 50mWestJet

Thu 6/311:15 a.m.ORD - YUL

1 stop11h 37mWestJet

Deal found 20/2C$ 609

Sun 2/37:05 a.m.YUL - MDW

1 stop7h 00mDelta

Wed 5/39:33 a.m.MDW - YUL

1 stop5h 24mDelta

Deal found 19/2C$ 626

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 21 February 2025.

Tue 18/36:35 p.m.YUL - ORD

2 stops17h 34mMultiple Airlines

Deal found 19/2C$ 207

Wed 26/36:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Deal found 19/2C$ 210

Tue 22/46:15 a.m.YUL - ORD

Nonstop2h 47mUnited Airlines

Deal found 18/2C$ 213

Tue 1/49:15 a.m.YUL - ORD

Nonstop2h 32mAir Canada

Deal found 20/2C$ 217

Tue 11/36:45 a.m.YUL - STL

2 stops10h 57mMultiple Airlines

Deal found 18/2C$ 227

Wed 19/35:55 a.m.YOW - ORD

2 stops27h 25mMultiple Airlines

Deal found 19/2C$ 230

Tue 22/411:20 a.m.YUL - ORD

1 stop8h 03mDelta

Deal found 20/2C$ 237

Tue 22/46:10 a.m.YUL - MDW

1 stop9h 12mDelta

Deal found 20/2C$ 237

Fri 21/310:54 a.m.YUL - ORD

2 stops10h 12mAmerican Airlines

Deal found 19/2C$ 249

Tue 1/49:40 a.m.YOW - MDW

1 stop8h 00mPorter Airlines

Deal found 19/2C$ 251

Fri 21/35:55 a.m.YOW - MDW

1 stop11h 45mMultiple Airlines

Deal found 20/2C$ 283

Wed 9/45:25 p.m.YOW - ORD

Nonstop2h 29mAir Canada

Deal found 19/2C$ 300

Find flights from Quebec to Illinois within your budget

Fly from

Fly to

Route

Depart

Return

Price

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 15/3

3:30 p.m.-11:56 p.m.

1 stop9h 26m

Chicago O'Hare Intl

Wed 19/3

5:55 a.m.-4:45 p.m.

3 stops33h 50m

C$ 368

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sun 6/4

6:50 a.m.-10:20 a.m.

1 stop4h 30m

Chicago Midway

Sun 13/4

11:15 a.m.-4:52 p.m.

1 stop4h 37m

C$ 368

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 21/3

8:50 a.m.-12:56 p.m.

1 stop5h 06m

Chicago O'Hare Intl

Mon 24/3

8:30 p.m.-1:53 a.m.

1 stop4h 23m

C$ 369

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 24/4

9:45 a.m.-11:32 a.m.

Nonstop2h 47m

Chicago O'Hare Intl

Sun 27/4

7:20 a.m.-10:36 a.m.

Nonstop2h 16m

C$ 371

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 24/4

8:30 a.m.-1:15 p.m.

1 stop5h 45m

Chicago O'Hare Intl

Sun 27/4

7:20 a.m.-10:36 a.m.

Nonstop2h 16m

C$ 372

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Fri 25/4

12:50 p.m.-6:20 p.m.

1 stop6h 30m

Chicago Midway

Tue 29/4

12:48 p.m.-11:59 p.m.

1 stop10h 11m

C$ 392

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

12:30 p.m.-2:05 p.m.

Nonstop2h 35m

Chicago O'Hare Intl

Mon 7/4

8:30 p.m.-9:50 a.m.

1 stop12h 20m

C$ 415

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

3:55 p.m.-5:52 p.m.

1 stop26h 57m

Lambert-St Louis

Tue 15/4

6:11 p.m.-2:55 p.m.

1 stop19h 44m

C$ 428

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

6:00 a.m.-9:24 a.m.

1 stop4h 24m

Chicago O'Hare Intl

Wed 21/5

5:50 a.m.-5:09 p.m.

1 stop10h 19m

C$ 432

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 8/3

7:14 a.m.-12:15 p.m.

1 stop6h 01m

Chicago O'Hare Intl

Sat 29/3

5:11 p.m.-10:45 p.m.

1 stop4h 34m

C$ 452

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 60 results

...

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

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.

Travel insights for flights from Quebec to Illinois

Get recent, data-driven insights about flights from Quebec to Illinois including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 261). Flying from Quebec to Illinois in March is currently the most expensive (average of C$ 355). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Quebec to Illinois as you normally would.

Weekly flight availability from Quebec to Illinois

The most flights from CAQC to USIL are scheduled on a Wednesday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Illinois by month

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.

Temperature in Illinois by month

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).

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from Quebec to Illinois, such as Delta, Porter Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,219 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines

7.9

Good

276 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,765 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet

7.2

Good

2,801 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Quebec to Illinois one-way?
C$ 210 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 213 and C$ 217, 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, January is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 261). Flying from Quebec to Illinois in March is currently the most expensive (average of C$ 355). 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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Complete your trip

Illinois car rentals

Chicago O'Hare Intl Airport car rentals

Chicago Midway Airport car rentals

Moline Quad-City Airport car rentals

Greater Peoria Airport car rentals

Bloomington-Normal Airport car rentals

Chicago Greater Rockford Airport car rentals

Champaign University-Willard Airport car rentals

Belleville Airport car rentals

Marion Williamson County Airport car rentals

Quincy Regional Airport car rentals

Direct flights to United States

Find a return flight route from Illinois

O'Hare Intl to Pierre Elliott Trudeau Intl flights

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Québec City to St. Louis flights

Ottawa to Champaign flights

Top 6 airlines flying from Quebec to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 338	AverageC$ 535	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 366	AverageC$ 693	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 368	AverageC$ 513	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 372	AverageC$ 636	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 390	AverageC$ 586	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 453	AverageC$ 613	FlexibilityNo cancel fee	On-time60%	Search WestJet 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$ 207

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Quebec to Illinois

Keep the following information in mind while searching for Quebec to Illinois flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 21 February 2025.

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 21 February 2025.

Find flights from Quebec to Illinois within your budget

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.

Travel insights for flights from Quebec to Illinois

Get recent, data-driven insights about flights from Quebec to Illinois including ideal travel times, pricing trends, and more.

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 21 February 2025.

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 21 February 2025.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from Quebec to Illinois, such as Delta, Porter Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Quebec to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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Alternative routes for Quebec to Illinois

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

Top 6 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 21 February 2025.