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Cheap flights from Quebec to Illinois from C$ 157

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

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 23 October 2025.

Round-trip from

C$ 238

One-way from

C$ 157

Popular in

November

Cheapest in

September

Average price

C$ 444

Good round-trip deal

C$ 575 or less

Good one-way deal

C$ 370 or less
United Airlines
  • United Airlines
  • 6/11-9/11
  • Nonstop
  • 5h 29m total
  • Quebec to Illinois
Search Deals
United Airlines
  • United Airlines
  • 18/11
  • Nonstop
  • 3h 02m total
  • Quebec to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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

Enter your travel dates to find the best prices.

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 23 October 2025.

Thu 6/112:55 p.m.YQB - ORD
Nonstop3h 02mUnited Airlines
Sun 9/1110:46 a.m.ORD - YQB
Nonstop2h 27mUnited Airlines
Deal found 23/10C$ 238
Thu 6/112:55 p.m.YQB - ORD
Nonstop3h 02mMultiple Airlines
Sun 9/117:05 a.m.ORD - YQB
1 stop6h 14mMultiple Airlines
Deal found 23/10C$ 245
Tue 11/116:00 a.m.YQB - ORD
1 stop6h 18mAir Canada
Sat 15/113:55 p.m.ORD - YQB
1 stop5h 48mAir Canada
Deal found 21/10C$ 260
Tue 11/115:10 p.m.YQB - ORD
1 stop7h 24mUnited Airlines
Wed 12/1110:46 a.m.ORD - YQB
Nonstop2h 27mUnited Airlines
Deal found 21/10C$ 279
Mon 10/115:10 p.m.YQB - ORD
1 stop7h 24mUnited Airlines
Tue 18/119:15 a.m.ORD - YQB
1 stop5h 37mUnited Airlines
Deal found 21/10C$ 286
Sat 8/116:00 a.m.YQB - ORD
2 stops8h 01mAir Canada
Tue 18/117:05 a.m.ORD - YQB
1 stop6h 09mAir Canada
Deal found 21/10C$ 287
Thu 6/115:00 a.m.YQB - ORD
1 stop11h 10mAir Canada
Sun 9/117:05 a.m.ORD - YQB
1 stop6h 14mAir Canada
Deal found 23/10C$ 294
Sat 8/1110:40 a.m.YQB - ORD
2 stops9h 50mAir Canada
Sat 15/113:55 p.m.ORD - YQB
1 stop5h 48mAir Canada
Deal found 21/10C$ 297
Wed 12/112:55 p.m.YQB - ORD
Nonstop3h 02mAir Canada
Tue 18/1110:46 a.m.ORD - YQB
Nonstop2h 27mAir Canada
Deal found 23/10C$ 316
Fri 21/116:45 a.m.YUL - MDW
1 stop4h 20mPorter Airlines
Mon 24/114:15 p.m.MDW - YUL
1 stop5h 30mPorter Airlines
Deal found 22/10C$ 350
Sat 6/128:55 a.m.YUL - MDW
1 stop3h 55mPorter Airlines
Mon 8/1211:00 a.m.MDW - YUL
1 stop5h 45mPorter Airlines
Deal found 22/10C$ 354
Fri 5/126:45 a.m.YUL - MDW
1 stop4h 20mPorter Airlines
Sun 7/1211:00 a.m.MDW - YUL
1 stop4h 30mPorter Airlines
Deal found 22/10C$ 356

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 23 October 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 6/11

2:55 p.m.-4:57 p.m.

Nonstop3h 02m

Chicago O'Hare Intl

Sun 9/11

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

Nonstop2h 27m

C$ 238

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 6/11

2:55 p.m.-4:57 p.m.

Nonstop3h 02m

Chicago O'Hare Intl

Sun 9/11

7:05 a.m.-2:19 p.m.

1 stop6h 14m

C$ 245

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Tue 11/11

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

1 stop6h 18m

Chicago O'Hare Intl

Sat 15/11

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

1 stop5h 48m

C$ 260

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Wed 12/11

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

1 stop5h 15m

Chicago O'Hare Intl

Tue 18/11

7:05 a.m.-2:14 p.m.

1 stop6h 09m

C$ 260

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Wed 12/11

2:55 p.m.-4:57 p.m.

Nonstop3h 02m

Chicago O'Hare Intl

Tue 18/11

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

Nonstop2h 27m

C$ 279

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Wed 12/11

6:00 a.m.-11:46 a.m.

1 stop6h 46m

Chicago O'Hare Intl

Wed 12/11

3:07 p.m.-10:47 p.m.

1 stop6h 40m

C$ 279

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 13/11

2:55 p.m.-4:57 p.m.

Nonstop3h 02m

Chicago O'Hare Intl

Sat 15/11

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

Nonstop2h 27m

C$ 279

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 13/11

2:55 p.m.-4:57 p.m.

Nonstop3h 02m

Chicago O'Hare Intl

Tue 18/11

9:15 a.m.-3:52 p.m.

1 stop5h 37m

C$ 279

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Fri 14/11

2:55 p.m.-4:57 p.m.

Nonstop3h 02m

Chicago O'Hare Intl

Tue 18/11

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

Nonstop2h 27m

C$ 279

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Wed 12/11

2:55 p.m.-4:57 p.m.

Nonstop3h 02m

Chicago O'Hare Intl

Sat 15/11

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

Nonstop2h 27m

C$ 279

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/10

Showing 1-10 of 60 results
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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.
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, September is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 183). Flying from Quebec to Illinois in January is currently the most expensive (average of C$ 363). 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 23 October 2025.

It’s optimal to fly from Quebec to Illinois in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Quebec to Illinois. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Quebec to Illinois flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 23 October 2025.

The most flights from CAQC to USIL are scheduled on a Thursday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 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 23 October 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
8.0
Very good
382 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
8.0
Very good
382 reviews
Porter Airlines
8.0
Very good
382 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
8,991 reviews
Porter Airlines
8.0
Very good
382 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
11,028 reviews
Porter Airlines
8.0
Very good
382 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
3,133 reviews
Porter Airlines
8.0
Very good
382 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
10,346 reviews
Porter Airlines
8.0
Very good
382 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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 3h 02m. United Airlines provides one of the quickest options available for as low as C$ 238. 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$ 157 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$ 213 and C$ 225, 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, September is the cheapest month in which you can book a flight from Quebec to Illinois (average of C$ 183). Flying from Quebec to Illinois in January is currently the most expensive (average of C$ 363). 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

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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.
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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 23 October 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 180AverageC$ 516FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 199AverageC$ 444FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 261AverageC$ 531FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 262AverageC$ 533FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 458AverageC$ 603FlexibilityNo 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.

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