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Cheap flights from Québec City to Illinois from C$ 296

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — ORD
11 May — 18 May1
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 11 April 2026.

Thu 4/61:57 p.m.
YQB
-
ORD
Nonstop3h 05m
American Airlines
Mon 8/69:19 p.m.
ORD
-
YQB
1 stop17h 12m
American Airlines
Deal found 6/4C$ 541
Wed 10/61:57 p.m.
YQB
-
ORD
Nonstop3h 05m
American Airlines
Sat 13/69:19 p.m.
ORD
-
YQB
1 stop14h 50m
American Airlines
Deal found 8/4C$ 570
Fri 1/510:20 a.m.
YQB
-
ORD
1 stop5h 35m
Air Canada
Tue 5/511:05 a.m.
ORD
-
YQB
1 stop4h 51m
Air Canada
Deal found 6/4C$ 578
Sun 24/55:00 a.m.
YQB
-
ORD
1 stop5h 00m
Air Canada
Sun 31/58:45 a.m.
ORD
-
YQB
1 stop4h 15m
Air Canada
Deal found 9/4C$ 579
Thu 21/510:25 a.m.
YQB
-
ORD
1 stop5h 28m
Air Canada
Thu 28/59:55 a.m.
ORD
-
YQB
1 stop8h 25m
Air Canada
Deal found 6/4C$ 582
Thu 23/46:00 a.m.
YQB
-
ORD
1 stop7h 06m
United Airlines
Sat 25/46:00 a.m.
ORD
-
YQB
1 stop5h 02m
United Airlines
Deal found 8/4C$ 593
Tue 28/43:15 p.m.
YQB
-
ORD
1 stop5h 50m
Air Canada
Sat 2/58:45 a.m.
ORD
-
YQB
1 stop7h 11m
Air Canada
Deal found 9/4C$ 596
Wed 24/63:05 p.m.
YQB
-
ORD
Nonstop3h 00m
United Airlines
Wed 8/78:40 a.m.
ORD
-
YQB
1 stop6h 20m
United Airlines
Deal found 6/4C$ 600
Tue 2/64:55 p.m.
YQB
-
STL
1 stop7h 41m
United Airlines
Sat 6/69:23 a.m.
STL
-
YQB
2 stops12h 18m
United Airlines
Deal found 7/4C$ 683
Thu 25/63:10 p.m.
YQB
-
MDW
1 stop19h 30m
Porter Airlines
Tue 7/73:20 p.m.
MDW
-
YQB
2 stops24h 20m
Porter Airlines
Deal found 6/4C$ 701
Tue 26/53:10 p.m.
YQB
-
MDW
1 stop24h 25m
Multiple Airlines
Tue 2/63:20 p.m.
MDW
-
YQB
2 stops27h 40m
Multiple Airlines
Deal found 11/4C$ 705
Wed 24/66:30 a.m.
YQB
-
MDW
2 stops9h 05m
Porter Airlines
Tue 7/73:20 p.m.
MDW
-
YQB
1 stop22h 07m
Porter Airlines
Deal found 6/4C$ 711

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 11 April 2026.

Round-trip from

C$ 541

One-way from

C$ 296

Popular in

April

Cheapest in

September

Average price

C$ 878

Good round-trip deal

C$ 650 or less

Good one-way deal

C$ 647 or less
American Airlines
  • American Airlines
  • 4/6-8/6
  • 1 total stop
  • 20h 17m total
  • Québec City to Illinois
Search Deals
United Airlines
  • United Airlines
  • 9/5
  • Nonstop
  • 3h 02m total
  • Québec City to Illinois
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 11 April 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

Tue 28/4

3:15 p.m.-8:05 p.m.

1 stop5h 50m

Chicago O'Hare Intl

Sat 2/5

8:45 a.m.-4:56 p.m.

1 stop7h 11m

C$ 596

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Wed 24/6

3:05 p.m.-5:05 p.m.

Nonstop3h 00m

Chicago O'Hare Intl

Sat 4/7

7:10 a.m.-4:00 p.m.

1 stop7h 50m

C$ 600

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 25/6

4:55 p.m.-11:30 p.m.

1 stop7h 35m

Chicago O'Hare Intl

Wed 8/7

8:40 a.m.-4:00 p.m.

1 stop6h 20m

C$ 607

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Wed 9/9

1:05 p.m.-8:16 p.m.

2 stops8h 11m

Chicago O'Hare Intl

Sat 12/9

8:45 a.m.-2:00 p.m.

1 stop4h 15m

C$ 622

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Fri 22/5

10:20 a.m.-2:55 p.m.

1 stop5h 35m

Chicago O'Hare Intl

Fri 29/5

8:45 a.m.-2:00 p.m.

1 stop4h 15m

C$ 661

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Tue 2/6

4:55 p.m.-11:36 p.m.

1 stop7h 41m

Lambert-St Louis

Sat 6/6

9:23 a.m.-10:41 p.m.

2 stops12h 18m

C$ 683

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 25/6

4:55 p.m.-11:30 p.m.

1 stop7h 35m

Chicago O'Hare Intl

Thu 9/7

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

Nonstop2h 33m

C$ 696

Québec CityChicago

YQB - MDW

YQBMDW

Québec City

Tue 26/5

3:10 p.m.-2:35 p.m.

1 stop24h 25m

Chicago Midway

Tue 2/6

3:20 p.m.-8:00 p.m.

2 stops27h 40m

C$ 705

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Tue 2/6

5:35 a.m.-12:06 p.m.

2 stops7h 31m

Lambert-St Louis

Sat 6/6

8:40 a.m.-5:26 p.m.

2 stops7h 46m

C$ 707

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 29/4

3:00 p.m.-9:13 p.m.

1 stop7h 13m

Lambert-St Louis

Tue 5/5

7:09 p.m.-12:02 p.m.

2 stops15h 53m

C$ 707

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 56 resultsSorted by cheapest first
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6

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, December is the cheapest month in which you can book a flight from Québec City to Illinois (average of C$ 176). Flying from Québec City to Illinois in March is currently the most expensive (average of C$ 655). 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.

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 11 April 2026.

The most flights from YQB to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, 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 11 April 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
8.0
Very good
433 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
433 reviews
Porter Airlines
8.0
Very good
433 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,569 reviews
Porter Airlines
8.0
Very good
433 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,572 reviews
Porter Airlines
8.0
Very good
433 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,916 reviews
Porter Airlines
8.0
Very good
433 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 Air Canada, United Airlines, and Porter Airlines fly from Québec City to Illinois in about 3h. The time it takes to get you to your destination can typically vary by up to 25h 10m. 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 cheapest flights from Québec City to Illinois?

    Looking at all options, your cheapest flight can be booked for C$ 279. While the most popular route (Québec City - Chicago O'Hare Intl) can be booked for C$ 593 on average, our data indicates C$ 722 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, December is the cheapest month in which you can book a flight from Québec City to Illinois (average of C$ 176). Flying from Québec City to Illinois in March is currently the most expensive (average of C$ 655). 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 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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 175AverageC$ 651FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 257AverageC$ 554FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 267AverageC$ 553FlexibilityNo 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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