Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Quebec to Illinois from C$ 149

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

C$ 224

One-way from

C$ 149

Popular in

November

Cheapest in

March

Average price

C$ 486

Good round-trip deal

C$ 403 or less

Good one-way deal

C$ 450 or less
Air Canada
  • Air Canada
  • 30/10-6/11
  • 2 total stops
  • 12h 06m total
  • Quebec to Illinois
Search Deals
United Airlines
  • United Airlines
  • 11/11
  • Nonstop
  • 3h 02m total
  • Quebec to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 16 September 2025.

Thu 30/106:00 a.m.YQB - ORD
1 stop6h 18mAir Canada
Thu 6/113:55 p.m.ORD - YQB
1 stop5h 48mAir Canada
Deal found 15/9C$ 224
Fri 3/1011:00 a.m.YQB - MDW
1 stop6h 24mPorter Airlines
Tue 7/109:35 a.m.MDW - YQB
1 stop5h 20mPorter Airlines
Deal found 14/9C$ 238
Thu 30/105:10 p.m.YQB - ORD
1 stop7h 24mUnited Airlines
Mon 3/1110:46 a.m.ORD - YQB
Nonstop2h 27mUnited Airlines
Deal found 14/9C$ 245
Thu 20/116:00 a.m.YQB - ORD
1 stop6h 18mAir Canada
Tue 25/1112:50 p.m.ORD - YQB
1 stop4h 24mAir Canada
Deal found 14/9C$ 267
Sat 25/104:14 p.m.YQB - ORD
Nonstop2h 50mAmerican Airlines
Wed 29/105:00 a.m.ORD - YQB
1 stop9h 34mAmerican Airlines
Deal found 14/9C$ 272
Sat 25/1012:45 p.m.YQB - ORD
1 stop9h 59mMultiple Airlines
Wed 29/1012:50 p.m.ORD - YQB
1 stop4h 24mMultiple Airlines
Deal found 15/9C$ 274
Sat 25/105:20 a.m.YQB - ORD
1 stop4h 49mAir Canada
Wed 29/1012:50 p.m.ORD - YQB
1 stop4h 24mAir Canada
Deal found 14/9C$ 275
Mon 27/105:10 p.m.YQB - ORD
1 stop7h 24mUnited Airlines
Thu 30/1010:46 a.m.ORD - YQB
Nonstop2h 27mUnited Airlines
Deal found 15/9C$ 276
Wed 1/103:18 p.m.YQB - ORD
Nonstop2h 55mUnited Airlines
Sat 4/101:42 p.m.ORD - YQB
1 stop7h 59mUnited Airlines
Deal found 15/9C$ 278
Mon 27/102:16 p.m.YQB - ORD
1 stop9h 23mAmerican Airlines
Thu 30/109:56 a.m.ORD - YQB
Nonstop2h 40mAmerican Airlines
Deal found 16/9C$ 282
Fri 17/1011:00 a.m.YQB - MDW
1 stop6h 24mPorter Airlines
Sun 19/109:35 a.m.MDW - YQB
1 stop5h 20mPorter Airlines
Deal found 14/9C$ 298
Fri 17/101:10 p.m.YUL - MDW
1 stop4h 14mPorter Airlines
Mon 20/109:35 a.m.MDW - YUL
1 stop5h 25mPorter Airlines
Deal found 15/9C$ 323

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quebec to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Quebec to Illinois that are best for you.

Fly from

Quebec

Fly to

Illinois

Route

Depart

Return

Price

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 30/10

6:00 a.m.-11:18 a.m.

1 stop6h 18m

Chicago O'Hare Intl

Thu 6/11

3:55 p.m.-10:43 p.m.

1 stop5h 48m

C$ 224

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 30/10

5:10 p.m.-11:34 p.m.

1 stop7h 24m

Chicago O'Hare Intl

Mon 3/11

10:46 a.m.-2:13 p.m.

Nonstop2h 27m

C$ 245

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Fri 28/11

5:00 a.m.-9:13 a.m.

1 stop5h 13m

Chicago O'Hare Intl

Mon 1/12

12:50 p.m.-6:14 p.m.

1 stop4h 24m

C$ 249

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 20/11

6:00 a.m.-11:18 a.m.

1 stop6h 18m

Chicago O'Hare Intl

Tue 25/11

7:15 a.m.-2:19 p.m.

1 stop6h 04m

C$ 267

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Sat 25/10

12:45 p.m.-9:44 p.m.

1 stop9h 59m

Chicago O'Hare Intl

Wed 29/10

12:50 p.m.-6:14 p.m.

1 stop4h 24m

C$ 274

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Sat 25/10

5:20 a.m.-9:09 a.m.

1 stop4h 49m

Chicago O'Hare Intl

Wed 29/10

12:50 p.m.-6:14 p.m.

1 stop4h 24m

C$ 275

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Mon 27/10

5:10 p.m.-11:34 p.m.

1 stop7h 24m

Chicago O'Hare Intl

Thu 30/10

7:15 a.m.-3:52 p.m.

1 stop7h 37m

C$ 276

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Wed 1/10

3:18 p.m.-5:13 p.m.

Nonstop2h 55m

Chicago O'Hare Intl

Sat 4/10

1:42 p.m.-10:41 p.m.

1 stop7h 59m

C$ 278

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Sat 25/10

2:16 p.m.-7:25 a.m.

1 stop18h 09m

Chicago O'Hare Intl

Wed 29/10

9:56 a.m.-1:36 p.m.

Nonstop2h 40m

C$ 280

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Mon 27/10

2:16 p.m.-10:39 p.m.

1 stop9h 23m

Chicago O'Hare Intl

Thu 30/10

9:56 a.m.-1:36 p.m.

Nonstop2h 40m

C$ 282

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 60 results
1
2
3
...
6

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$ 348). 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?

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 16 September 2025.

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

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 16 September 2025.

The most flights from CAQC to USIL are scheduled on a Monday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 16 September 2025.
Read through reviews of airlines operating flights from Quebec to Illinois, such as Porter Airlines,United Airlines, andAmerican 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
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,924 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,093 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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.

  • How long is the flight from Quebec to Illinois?

    A quick flight from Quebec to Illinois can take about 6h 18m. Air Canada provides one of the quickest options available for as low as C$ 224. There are 1413 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$ 149 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Porter Airlines and Air Canada, with prices starting from C$ 196 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$ 348). 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

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.
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Toronto Island to Newark flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to LaGuardia flights
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Vancouver Intl to Las Vegas flights
Vancouver Intl to Los Angeles flights
Pearson Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Orlando flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to San Francisco flights
Pearson Intl to Hobby flights
Vancouver Intl to Seattle flights
Vancouver Intl to Santa Ana flights
Pearson Intl to Atlanta flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Sky Harbor Intl flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Nashville flights
Pearson Intl to Boston flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Vancouver Intl to O'Hare Intl flights
Vancouver Intl to LaGuardia flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Tampa flights
Pearson Intl to Seattle flights
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Vancouver Intl to Sky Harbor Intl flights
Edmonton to Las Vegas flights
Vancouver Intl to Palm Springs flights
Vancouver Intl to San Diego flights
Toronto Island to Orlando flights
Pearson Intl to Reagan-National flights
Pearson Intl to Midway flights
Québec City to Fort Lauderdale flights
Pearson Intl to Honolulu flights

Top 5 airlines flying from Quebec to Illinois

Discover the top 5 airlines that operate flights from Quebec to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 177AverageC$ 483FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 203AverageC$ 440FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 257AverageC$ 572FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 259AverageC$ 532FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 452AverageC$ 596FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.