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Cheap flights from Québec City to Illinois from C$ 251

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — ORD
3 Aug — 10 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Québec City to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Québec City to Illinois
Explore the most affordable flight options available from Québec City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2026.

Tue 3/112:20 p.m.
YQB
-
ORD
2 stops7h 01m
Air Canada
Thu 5/117:05 a.m.
ORD
-
YQB
1 stop5h 55m
Air Canada
Deal found 1/7C$ 428
Thu 23/75:35 a.m.
YQB
-
ORD
1 stop5h 41m
Air Canada
Mon 27/78:45 a.m.
ORD
-
YQB
1 stop4h 10m
Air Canada
Deal found 30/6C$ 445
Mon 17/812:35 p.m.
YQB
-
ORD
2 stops8h 54m
Air Canada
Fri 21/88:40 a.m.
ORD
-
YQB
1 stop4h 15m
Air Canada
Deal found 30/6C$ 451
Sun 6/95:35 a.m.
YQB
-
ORD
1 stop5h 44m
Air Canada
Mon 7/98:40 a.m.
ORD
-
YQB
1 stop4h 15m
Air Canada
Deal found 30/6C$ 453
Thu 16/75:00 a.m.
YQB
-
ORD
1 stop5h 00m
Air Canada
Mon 20/78:45 a.m.
ORD
-
YQB
1 stop4h 10m
Air Canada
Deal found 1/7C$ 457
Tue 18/83:00 p.m.
YQB
-
ORD
Nonstop2h 55m
Multiple Airlines
Wed 19/88:40 a.m.
ORD
-
YQB
1 stop4h 15m
Multiple Airlines
Deal found 30/6C$ 460
Thu 23/73:00 p.m.
YQB
-
ORD
Nonstop3h 00m
Lufthansa
Mon 27/710:35 a.m.
ORD
-
YQB
Nonstop2h 33m
Lufthansa
Deal found 29/6C$ 465
Wed 2/96:00 a.m.
YQB
-
STL
2 stops12h 06m
United Airlines
Sun 6/98:00 a.m.
STL
-
YQB
1 stop5h 08m
United Airlines
Deal found 30/6C$ 675
Wed 2/912:35 p.m.
YQB
-
STL
2 stops8h 47m
Air Canada
Sun 6/98:55 a.m.
STL
-
YQB
2 stops9h 46m
Air Canada
Deal found 30/6C$ 695
Sun 16/85:00 a.m.
YQB
-
STL
1 stop10h 04m
Air Canada
Sun 23/88:55 a.m.
STL
-
YQB
1 stop13h 41m
Air Canada
Deal found 2/7C$ 746
Sun 16/83:53 p.m.
YQB
-
STL
1 stop8h 45m
United Airlines
Sun 23/87:00 a.m.
STL
-
YQB
1 stop8h 14m
United Airlines
Deal found 2/7C$ 769
Sun 26/74:55 p.m.
YQB
-
MDW
2 stops17h 45m
Porter Airlines
Wed 29/73:20 p.m.
MDW
-
YQB
1 stop22h 07m
Porter Airlines
Deal found 1/7C$ 816

Find flight deals from Québec City to Illinois

Keep the following information in mind while searching for Québec City to Illinois flight deals. Data was last updated 4 July 2026.

Round-trip from

C$ 428

One-way from

C$ 251

Popular in

April

Cheapest in

September

Average price

C$ 690

Good round-trip deal

C$ 644 or less

Good one-way deal

C$ 396 or less
Air Canada
  • Air Canada
  • 3/11-5/11
  • 3 total stops
  • 12h 56m total
  • Québec City to Illinois
Search Deals
American Airlines
  • American Airlines
  • 8/9
  • Nonstop
  • 3h 05m total
  • Québec City to Illinois
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Québec City to Illinois.
Search Deals
Price to beat on a one-way flight from Québec City to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Québec City 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 4 July 2026.
Use the filters below to find and compare flights from Québec City to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 23/7

3:00 p.m.-5:00 p.m.

Nonstop3h 00m

Chicago O'Hare Intl

Mon 27/7

8:45 a.m.-1:55 p.m.

1 stop4h 10m

C$ 458

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Tue 18/8

3:00 p.m.-4:55 p.m.

Nonstop2h 55m

Chicago O'Hare Intl

Wed 19/8

8:40 a.m.-1:55 p.m.

1 stop4h 15m

C$ 460

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 20/8

3:00 p.m.-4:55 p.m.

Nonstop2h 55m

Chicago O'Hare Intl

Thu 27/8

5:00 a.m.-12:02 p.m.

1 stop6h 02m

C$ 461

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Sat 15/8

3:53 p.m.-11:22 p.m.

1 stop8h 29m

Chicago O'Hare Intl

Mon 17/8

3:45 p.m.-11:31 p.m.

1 stop6h 46m

C$ 495

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Tue 18/8

10:25 a.m.-11:40 p.m.

2 stops14h 15m

Chicago O'Hare Intl

Fri 21/8

3:45 p.m.-11:36 p.m.

1 stop6h 51m

C$ 592

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Sun 25/10

5:45 p.m.-11:42 p.m.

1 stop6h 57m

Chicago O'Hare Intl

Sat 31/10

11:12 a.m.-2:45 p.m.

Nonstop2h 33m

C$ 620

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Fri 17/7

8:05 p.m.-9:45 a.m.

1 stop14h 40m

Chicago O'Hare Intl

Sun 19/7

8:45 a.m.-1:55 p.m.

1 stop4h 10m

C$ 627
Quickest round-trip

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Mon 13/7

3:00 p.m.-5:00 p.m.

Nonstop3h 00m

Chicago O'Hare Intl

Wed 15/7

10:35 a.m.-2:08 p.m.

Nonstop2h 33m

C$ 667

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Mon 13/7

3:00 p.m.-5:00 p.m.

Nonstop3h 00m

Chicago O'Hare Intl

Tue 14/7

9:30 p.m.-12:02 p.m.

1 stop13h 32m

C$ 667

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 2/9

12:45 p.m.-11:38 p.m.

1 stop11h 53m

Lambert-St Louis

Sun 6/9

6:55 a.m.-4:14 p.m.

1 stop8h 19m

C$ 675

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from Québec City to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Québec City 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 Québec City to Illinois

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

Currently, September is the cheapest month in which you can book a flight from Québec City to Illinois (average of C$ 81). Flying from Québec City to Illinois in March is currently the most expensive (average of C$ 629). 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 YQB to IL?

Find hourly flight availability from Québec City 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 4 July 2026.

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

Weekly flight availability from Québec City to Illinois

Explore weekly flight availability from Québec City 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 4 July 2026.

The most flights from YQB to USIL are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Québec City to Illinois?

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 4 July 2026.
Read through reviews of airlines operating flights from Québec City to Illinois, such as Porter Airlines,United Airlines, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
442 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
7.9
Good
442 reviews
Porter Airlines
7.9
Good
442 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,930 reviews
Porter Airlines
7.9
Good
442 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
American Airlines
7.1
Good
11,765 reviews
Porter Airlines
7.9
Good
442 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,296 reviews
Porter Airlines
7.9
Good
442 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Related info for your journey

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

  • What airport do you fly from for flights from Québec City to Illinois?

    Most people fly from Québec City (YQB) if they book a flight from Québec City to Illinois. Québec City is conveniently located just 13.5 km from Québec City’s city centre.

  • How long is the flight from Québec City to Illinois?

    Airlines like United Airlines and Porter Airlines fly from Québec City to Illinois in about 2h 55m. The time it takes to get you to your destination can typically vary by up to 16h 40m. Québec City and Illinois are separated by a distance of 1413 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Québec City to Illinois?

    When deciding which route to take from Québec City to Illinois consider Québec City - Chicago O'Hare Intl, Québec City - Chicago Midway or Québec City - Lambert-St Louis as they are the most popular.

  • What are the most reliable airlines from Québec City to Illinois?

    No one likes to see their flight delayed. When booking a flight from Québec City to Illinois consider choosing Air Canada (89%), United Airlines (89%) or Air New Zealand (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Québec City to Illinois?

    Looking at all options, your cheapest flight can be booked for C$ 318. While the most popular route (Québec City - Chicago O'Hare Intl) can be booked for C$ 468 on average, our data indicates C$ 614 when flying from Québec City to Illinois.

  • Can I find deals for flights from Québec City to Illinois that include hotel bookings?

    Yes. In addition to deals on Québec City to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Québec City to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Québec City to Illinois.

  • Can I find deals for business class flights from Québec City to Illinois?

    Yes. Cheapflights offers flight deals from Québec City 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 Québec City to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Québec City to Illinois (average of C$ 81). Flying from Québec City to Illinois in March is currently the most expensive (average of C$ 629). 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

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Alternative routes for Québec City to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Québec City to Illinois

Discover the top 3 airlines that operate flights from Québec City 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 4 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 180AverageC$ 668FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 264AverageC$ 523FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 274AverageC$ 560FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Québec City to Illinois?

Cheapflights makes it easy to find Québec City to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Québec City 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 Québec City.

Can Cheapflights find flights from Québec City to Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from Québec City to Illinois with no change fees.

Can Cheapflights notify me if prices for flights from Québec City to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Québec City to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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