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

C$ 166 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 Air Canada and American Airlines, with prices starting from C$ 171 and C$ 206, respectively.

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

Find a great deal and save up to 84% 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$ 471.

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, March can be a great choice for travel to Illinois. Flights to Illinois from Quebec in March are about C$ 476 on average during March, but can be found for as low as C$ 314.

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$ 166+ Flights from Quebec to Illinois

Cheap flight deals from Quebec to Illinois

Round-trip from	C$ 315
One-way from	C$ 166
Popular in	November
Cheapest in	March
Average price	C$ 509
Good round-trip deal	C$ 503 or less
Good one-way deal	C$ 308 or less

Porter Airlines
8/5-12/5
2 total stops
11h 59m total
Quebec to Illinois

Search Deals

Porter Airlines
4/6
1 total stop
4h 44m total
Quebec to Illinois

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 39 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 22 April 2025.

Thu 8/510:45 a.m.YUL - MDW

1 stop6h 39mPorter Airlines

Mon 12/59:40 a.m.MDW - YUL

1 stop5h 20mPorter Airlines

Deal found 22/4C$ 315

Sat 21/66:00 a.m.YUL - ORD

1 stop4h 59mAir Canada

Tue 24/66:30 p.m.ORD - YUL

1 stop5h 11mAir Canada

Deal found 21/4C$ 319

Mon 2/67:00 a.m.YUL - ORD

1 stop8h 47mDelta

Tue 10/62:00 p.m.ORD - YUL

1 stop8h 13mDelta

Deal found 21/4C$ 329

Thu 5/66:00 a.m.YUL - MDW

1 stop3h 40mDelta

Fri 6/64:15 p.m.MDW - YUL

1 stop6h 39mDelta

Deal found 22/4C$ 329

Wed 7/512:25 p.m.YOW - MDW

1 stop4h 59mPorter Airlines

Mon 12/59:15 a.m.MDW - YOW

1 stop6h 19mPorter Airlines

Deal found 22/4C$ 359

Thu 22/56:15 a.m.YUL - ORD

Nonstop2h 44mMultiple Airlines

Mon 26/58:25 p.m.ORD - YUL

1 stop4h 26mMultiple Airlines

Deal found 21/4C$ 362

Thu 22/51:15 p.m.YUL - ORD

Nonstop2h 32mUnited Airlines

Thu 29/54:00 p.m.ORD - YUL

1 stop14h 48mUnited Airlines

Deal found 21/4C$ 382

Tue 3/610:44 a.m.YUL - ORD

2 stops14h 27mAmerican Airlines

Tue 10/66:00 a.m.ORD - YUL

1 stop9h 45mAmerican Airlines

Deal found 22/4C$ 390

Thu 22/51:10 p.m.YUL - MDW

1 stop4h 14mMultiple Airlines

Thu 29/512:48 p.m.MDW - YUL

2 stops10h 49mMultiple Airlines

Deal found 22/4C$ 400

Tue 13/56:15 a.m.YUL - MDW

1 stop8h 00mWestJet

Wed 14/512:48 p.m.MDW - YUL

2 stops10h 49mWestJet

Deal found 22/4C$ 473

Thu 15/55:20 a.m.YQB - ORD

1 stop6h 34mAir Canada

Sun 18/53:50 p.m.ORD - YQB

1 stop5h 15mAir Canada

Deal found 21/4C$ 482

Wed 14/56:45 a.m.YUL - ORD

2 stops16h 56mWestJet

Mon 19/57:59 p.m.ORD - YUL

1 stop26h 55mWestJet

Deal found 21/4C$ 500

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 22 April 2025.

Thu 8/510:45 a.m.YUL - MDW

1 stop6h 39mPorter Airlines

Mon 12/59:40 a.m.MDW - YUL

1 stop5h 20mPorter Airlines

Deal found 22/4C$ 315

Sat 21/66:00 a.m.YUL - ORD

1 stop4h 59mAir Canada

Tue 24/66:30 p.m.ORD - YUL

1 stop5h 11mAir Canada

Deal found 21/4C$ 319

Mon 2/67:00 a.m.YUL - ORD

1 stop8h 47mDelta

Sat 7/61:30 p.m.ORD - YUL

1 stop9h 24mDelta

Deal found 22/4C$ 329

Thu 22/56:15 a.m.YUL - ORD

Nonstop2h 44mMultiple Airlines

Mon 26/58:25 p.m.ORD - YUL

1 stop4h 26mMultiple Airlines

Deal found 21/4C$ 362

Thu 22/51:15 p.m.YUL - ORD

Nonstop2h 32mUnited Airlines

Thu 29/54:00 p.m.ORD - YUL

1 stop14h 48mUnited Airlines

Deal found 21/4C$ 382

Tue 3/610:44 a.m.YUL - ORD

2 stops14h 27mAmerican Airlines

Sun 8/65:29 a.m.ORD - YUL

1 stop16h 15mAmerican Airlines

Deal found 22/4C$ 390

Tue 13/56:15 a.m.YUL - MDW

1 stop8h 00mWestJet

Wed 14/512:48 p.m.MDW - YUL

2 stops10h 49mWestJet

Deal found 22/4C$ 473

Thu 5/66:00 a.m.YUL - MDW

1 stop3h 40mDelta

Fri 6/64:15 p.m.MDW - YUL

1 stop6h 39mDelta

Deal found 22/4C$ 329

Wed 7/512:25 p.m.YOW - MDW

1 stop4h 59mPorter Airlines

Mon 12/59:15 a.m.MDW - YOW

1 stop6h 19mPorter Airlines

Deal found 22/4C$ 359

Sat 10/56:05 a.m.YUL - STL

1 stop27h 02mKLM

Thu 15/57:05 a.m.STL - YUL

1 stop9h 35mKLM

Deal found 22/4C$ 740

Thu 22/51:10 p.m.YUL - MDW

1 stop4h 14mMultiple Airlines

Thu 29/512:48 p.m.MDW - YUL

2 stops10h 49mMultiple Airlines

Deal found 22/4C$ 400

Thu 15/55:20 a.m.YQB - ORD

1 stop6h 34mAir Canada

Sun 18/53:50 p.m.ORD - YQB

1 stop5h 15mAir Canada

Deal found 22/4C$ 484

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 22 April 2025.

Thu 26/68:20 a.m.YUL - ORD

Nonstop2h 26mAir Canada

Sun 6/710:40 a.m.ORD - YUL

Nonstop2h 18mAir Canada

Deal found 21/4C$ 321

Wed 4/612:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Sat 7/68:10 a.m.ORD - YUL

Nonstop2h 20mAmerican Airlines

Deal found 21/4C$ 382

Thu 22/56:15 a.m.YUL - ORD

Nonstop2h 44mUnited Airlines

Mon 26/57:19 a.m.ORD - YUL

Nonstop2h 21mUnited Airlines

Deal found 21/4C$ 383

Wed 21/58:20 a.m.YUL - ORD

Nonstop2h 32mMultiple Airlines

Thu 22/57:19 a.m.ORD - YUL

Nonstop2h 21mMultiple Airlines

Deal found 22/4C$ 524

Wed 4/62:15 p.m.YQB - ORD

Nonstop2h 50mAmerican Airlines

Wed 11/610:05 a.m.ORD - YQB

Nonstop2h 35mAmerican Airlines

Deal found 21/4C$ 553

Thu 22/55:25 p.m.YOW - ORD

Nonstop2h 28mMultiple Airlines

Thu 29/52:16 p.m.ORD - YOW

Nonstop2h 13mMultiple Airlines

Deal found 22/4C$ 615

Wed 2/75:25 p.m.YOW - ORD

Nonstop2h 28mUnited Airlines

Mon 7/71:56 p.m.ORD - YOW

Nonstop2h 10mUnited Airlines

Deal found 22/4C$ 632

Wed 14/55:25 p.m.YOW - ORD

Nonstop2h 29mAir Canada

Mon 26/56:15 p.m.ORD - YOW

Nonstop2h 20mAir Canada

Deal found 22/4C$ 675

Tue 3/66:10 p.m.YUL - STL

Nonstop2h 48mUnited Airlines

Fri 6/61:30 p.m.STL - YUL

Nonstop2h 30mUnited Airlines

Deal found 21/4C$ 793

Fri 25/76:10 p.m.YUL - STL

Nonstop2h 50mAir Canada

Sat 2/81:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Deal found 21/4C$ 842

Sat 30/83:18 p.m.YQB - ORD

Nonstop2h 55mAir Canada

Mon 1/910:40 a.m.ORD - YQB

Nonstop2h 36mAir Canada

Deal found 20/4C$ 1,254

Last-minute flights from Quebec to Illinois
Discover last-minute flight deals from Quebec to Illinois. Data last updated 22 April 2025 and is based on user searches.

Tue 29/47:00 a.m.YUL - MDW

1 stop6h 03mDelta

Wed 7/51:55 p.m.MDW - YUL

1 stop8h 24mDelta

Deal found 22/4C$ 419

Tue 29/411:50 a.m.YUL - MDW

1 stop5h 50mMultiple Airlines

Wed 7/512:48 p.m.MDW - YUL

2 stops10h 49mMultiple Airlines

Deal found 22/4C$ 534

Wed 30/46:15 a.m.YUL - STL

1 stop18h 49mMultiple Airlines

Mon 5/59:55 p.m.STL - YUL

2 stops21h 02mMultiple Airlines

Deal found 22/4C$ 518

Wed 30/411:20 a.m.YUL - STL

1 stop10h 31mDelta

Mon 5/53:12 p.m.STL - YUL

1 stop7h 16mDelta

Deal found 22/4C$ 900

Wed 30/46:10 p.m.YUL - STL

Nonstop2h 51mAir Canada

Mon 5/51:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Deal found 22/4C$ 919

Fri 2/51:10 p.m.YUL - MDW

1 stop4h 44mPorter Airlines

Tue 6/59:40 a.m.MDW - YUL

1 stop5h 20mPorter Airlines

Deal found 22/4C$ 344

Fri 2/59:15 a.m.YUL - ORD

1 stop4h 40mAir Canada

Mon 5/56:30 p.m.ORD - YUL

1 stop5h 11mAir Canada

Deal found 21/4C$ 366

Fri 2/512:38 p.m.YUL - ORD

1 stop7h 22mDelta

Tue 6/51:15 p.m.ORD - YUL

1 stop9h 44mDelta

Deal found 21/4C$ 417

Fri 2/512:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Sun 4/56:45 a.m.ORD - YUL

1 stop7h 40mAmerican Airlines

Deal found 21/4C$ 520

Fri 2/54:31 p.m.YUL - ORD

Nonstop2h 51mMultiple Airlines

Wed 7/56:46 p.m.ORD - YUL

3 stops26h 29mMultiple Airlines

Deal found 21/4C$ 538

Fri 2/512:38 p.m.YUL - ORD

1 stop9h 12mWestJet

Tue 6/52:45 p.m.ORD - YUL

2 stops8h 52mWestJet

Deal found 22/4C$ 629

Fri 2/56:45 a.m.YUL - MDW

2 stops16h 37mWestJet

Wed 7/51:55 p.m.MDW - YUL

1 stop8h 24mWestJet

Deal found 22/4C$ 629

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 22 April 2025.

Wed 4/61:10 p.m.YUL - MDW

1 stop4h 44mPorter Airlines

Deal found 22/4C$ 166

Tue 13/56:40 p.m.YUL - ORD

Nonstop2h 32mAir Canada

Deal found 22/4C$ 171

Fri 13/612:35 p.m.YOW - MDW

1 stop5h 19mPorter Airlines

Deal found 22/4C$ 202

Tue 20/512:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 20/4C$ 206

Tue 13/56:15 a.m.YUL - MDW

1 stop8h 00mDelta

Deal found 22/4C$ 206

Mon 19/56:45 a.m.YUL - ORD

2 stops27h 05mMultiple Airlines

Deal found 20/4C$ 212

Wed 21/510:00 a.m.YUL - STL

2 stops24h 15mMultiple Airlines

Deal found 21/4C$ 214

Fri 16/58:05 a.m.YUL - ORD

1 stop17h 24mUnited Airlines

Deal found 20/4C$ 236

Tue 3/63:25 p.m.YOW - ORD

2 stops16h 07mMultiple Airlines

Deal found 22/4C$ 246

Sun 4/56:10 a.m.YUL - ORD

1 stop10h 19mDelta

Deal found 21/4C$ 268

Wed 4/65:50 a.m.YQB - ORD

1 stop5h 02mAir Canada

Deal found 22/4C$ 272

Tue 20/54:35 p.m.YQB - ORD

2 stops15h 52mMultiple Airlines

Deal found 21/4C$ 281

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

10:45 a.m.-4:24 p.m.

1 stop6h 39m

Chicago Midway

Mon 12/5

9:40 a.m.-4:00 p.m.

1 stop5h 20m

C$ 315

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 21/6

6:00 a.m.-9:59 a.m.

1 stop4h 59m

Chicago O'Hare Intl

Tue 24/6

6:30 p.m.-12:41 a.m.

1 stop5h 11m

C$ 319

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

12:56 p.m.-6:37 p.m.

1 stop6h 41m

Chicago O'Hare Intl

Fri 6/6

3:57 p.m.-11:54 p.m.

1 stop6h 57m

C$ 329

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 5/6

6:00 a.m.-8:40 a.m.

1 stop3h 40m

Chicago Midway

Fri 6/6

4:15 p.m.-11:54 p.m.

1 stop6h 39m

C$ 329

OttawaChicago

YOW - MDW

YOWMDW

Ottawa

Wed 7/5

12:25 p.m.-4:24 p.m.

1 stop4h 59m

Chicago Midway

Mon 12/5

9:15 a.m.-4:34 p.m.

1 stop6h 19m

C$ 359

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

6:15 a.m.-7:59 a.m.

Nonstop2h 44m

Chicago O'Hare Intl

Mon 26/5

8:25 p.m.-1:51 a.m.

1 stop4h 26m

C$ 362

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

1:15 p.m.-2:47 p.m.

Nonstop2h 32m

Chicago O'Hare Intl

Thu 29/5

4:00 p.m.-7:48 a.m.

1 stop14h 48m

C$ 382

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 3/6

10:44 a.m.-12:11 a.m.

2 stops14h 27m

Chicago O'Hare Intl

Sun 8/6

5:29 a.m.-10:44 p.m.

1 stop16h 15m

C$ 390

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

1:10 p.m.-4:24 p.m.

1 stop4h 14m

Chicago Midway

Thu 29/5

12:48 p.m.-12:37 a.m.

2 stops10h 49m

C$ 400

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Tue 13/5

6:15 a.m.-1:15 p.m.

1 stop8h 00m

Chicago Midway

Wed 14/5

12:48 p.m.-12:37 a.m.

2 stops10h 49m

C$ 473

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

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.

Cheapflights Insights

Everything you need to know about your flight from Quebec to Illinois

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

Currently, 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 Tuesday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 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 Porter Airlines, Delta and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Porter Airlines

8.0

Very good

284 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Delta

8.0

Very good

7,920 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

KLM

7.8

Good

1,331 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

United Airlines

7.4

Good

8,683 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

American Airlines

7.2

Good

10,000 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Related info for your journey

What are the cheapest airlines to fly from Quebec to Illinois one-way?
C$ 166 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 Air Canada and American Airlines, with prices starting from C$ 171 and C$ 206, 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

Champaign University-Willard Airport car rentals

Chicago Greater Rockford 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

Midway to Pierre Elliott Trudeau Intl flights

O'Hare Intl to Québec City flights

O'Hare Intl to Ottawa flights

St. Louis to Pierre Elliott Trudeau Intl flights

Midway to Québec City flights

Midway to Ottawa flights

St. Louis to Québec City flights

Bloomington to Ottawa flights

Top 5 airlines flying from Quebec to Illinois

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 309	AverageC$ 582	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Porter Airlines	CheapestC$ 331	AverageC$ 522	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 348	AverageC$ 740	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 355	AverageC$ 604	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 441	AverageC$ 662	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$ 166

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 4/6. 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 22 April 2025.

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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 22 April 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 22 April 2025.

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Best time to book a flight from Quebec to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Quebec with our price prediction graph.

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Everything you need to know about your flight from Quebec to Illinois

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

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 22 April 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 22 April 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 Porter Airlines, Delta and KLM. 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?

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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 5 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 22 April 2025.