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Cheap flights from Quebec to Illinois from C$ 138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Quebec to Illinois departing on 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Quebec to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
6:30 a.m. - 9:40 a.m.
YUL
-
MDW
4h 10m
1 stop
Porter Airlines Logo
10:25 a.m. - 5:15 p.m.
MDW
-
YUL
5h 50m
1 stop
C$ 222Porter Airlines
Fri, 8 May - Sun, 10 May
Air Canada Logo
7:00 a.m. - 1:01 p.m.
YUL
-
ORD
7h 01m
1 stop
Air Canada Logo
12:50 p.m. - 4:05 p.m.
ORD
-
YUL
2h 15mdirect
C$ 225Air Canada
Thu, 26 Mar - Mon, 30 Mar
Porter Airlines Logo
10:35 a.m. - 2:35 p.m.
YUL
-
MDW
5h 00m
1 stop
Porter Airlines Logo
10:25 a.m. - 5:15 p.m.
MDW
-
YUL
5h 50m
1 stop
C$ 225Porter Airlines
Thu, 4 Jun - Mon, 8 Jun
Air Canada Logo
9:25 a.m. - 11:18 a.m.
YUL
-
ORD
2h 53mdirect
Air Canada Logo
3:35 p.m. - 6:55 p.m.
ORD
-
YUL
2h 20mdirect
C$ 226Air Canada
Thu, 26 Mar - Mon, 30 Mar
Air Canada Logo
9:25 a.m. - 11:18 a.m.
YUL
-
ORD
2h 53mdirect
Air Canada Logo
3:35 p.m. - 6:55 p.m.
ORD
-
YUL
2h 20mdirect
C$ 228Air Canada
Thu, 26 Mar - Mon, 30 Mar
American Airlines Logo
12:30 p.m. - 11:46 p.m.
YUL
-
STL
12h 16m
1 stop
American Airlines Logo
5:21 p.m. - 11:44 a.m.
STL
-
YUL
17h 23m
1 stop
C$ 476American Airlines
Mon, 20 Apr - Sat, 25 Apr
United Airlines Logo
5:55 p.m. - 11:51 p.m.
YOW
-
STL
6h 56m
1 stop
United Airlines Logo
7:00 p.m. - 3:23 p.m.
STL
-
YOW
19h 23m
2 stops
C$ 481United Airlines
Wed, 18 Mar - Tue, 24 Mar
United Airlines Logo
2:05 p.m. - 11:51 p.m.
YOW
-
STL
10h 46m
2 stops
United Airlines Logo
7:00 p.m. - 3:23 p.m.
STL
-
YOW
19h 23m
2 stops
C$ 492United Airlines
Wed, 18 Mar - Tue, 24 Mar
American Airlines Logo
1:55 p.m. - 4:00 p.m.
YQB
-
ORD
3h 05mdirect
American Airlines Logo
5:00 a.m. - 3:31 p.m.
ORD
-
YQB
9h 31m
1 stop
C$ 554American Airlines
Thu, 4 Jun - Mon, 8 Jun
Delta Logo
6:45 p.m. - 11:58 p.m.
YUL
-
STL
6h 13m
1 stop
Delta Logo
7:25 a.m. - 5:35 p.m.
STL
-
YUL
9h 10m
1 stop
C$ 607Delta
Sun, 12 Apr - Sun, 19 Apr

American Airlines flights from Quebec to Illinois

Our best American Airlines deals on Quebec to Illinois flight tickets
American Airlines
31 Mar
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
14h 48m
1 stop
ORD9:18 p.m.Chicago O'Hare Intl
10 Apr
ORD7:15 a.m.Chicago O'Hare Intl
5h 37m
1 stop
YUL1:52 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 274
American Airlines
11 Apr
YUL7:45 a.m.Montreal Pierre Elliott Trudeau Intl
14h 50m
1 stop
ORD9:35 p.m.Chicago O'Hare Intl
12 Apr
ORD8:18 a.m.Chicago O'Hare Intl
2h 26m
YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 288
American Airlines
14 Apr
YUL2:32 p.m.Montreal Pierre Elliott Trudeau Intl
5h 50m
1 stop
ORD7:22 p.m.Chicago O'Hare Intl
19 Apr
ORD8:18 a.m.Chicago O'Hare Intl
2h 26m
YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 296

Delta flights from Quebec to Illinois

Our best Delta deals on Quebec to Illinois flight tickets
Delta
24 Apr
YUL6:45 p.m.Montreal Pierre Elliott Trudeau Intl
6h 14m
1 stop
ORD11:59 p.m.Chicago O'Hare Intl
1 May
ORD5:04 p.m.Chicago O'Hare Intl
5h 15m
1 stop
YUL11:19 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 282
Delta
16 Apr
YUL6:45 p.m.Montreal Pierre Elliott Trudeau Intl
6h 14m
1 stop
ORD11:59 p.m.Chicago O'Hare Intl
19 Apr
ORD5:15 a.m.Chicago O'Hare Intl
5h 21m
1 stop
YUL11:36 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 297
Delta
20 May
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 01m
1 stop
ORD1:01 p.m.Chicago O'Hare Intl
27 May
ORD10:45 a.m.Chicago O'Hare Intl
7h 08m
1 stop
YUL6:53 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 299

momondo 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, momondo users made 96,600 searches. Data last updated 2 March 2026.
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

Fri 8/5

6:30 a.m.-9:40 a.m.

1 stop4h 10m

Chicago Midway

Sun 10/5

10:25 a.m.-5:15 p.m.

1 stop5h 50m

C$ 222

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

7:00 a.m.-1:01 p.m.

1 stop7h 01m

Chicago O'Hare Intl

Mon 30/3

12:50 p.m.-4:05 p.m.

Nonstop2h 15m

C$ 225

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

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

1 stop5h 00m

Chicago Midway

Mon 8/6

10:25 a.m.-5:15 p.m.

1 stop5h 50m

C$ 225

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

9:25 a.m.-11:18 a.m.

Nonstop2h 53m

Chicago O'Hare Intl

Mon 30/3

3:35 p.m.-6:55 p.m.

Nonstop2h 20m

C$ 226

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

9:25 a.m.-11:18 a.m.

Nonstop2h 53m

Chicago O'Hare Intl

Mon 30/3

3:35 p.m.-6:55 p.m.

Nonstop2h 20m

C$ 228

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

Lambert-St Louis

Sat 25/4

5:21 p.m.-11:44 a.m.

1 stop17h 23m

C$ 476

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 18/3

5:55 p.m.-11:51 p.m.

1 stop6h 56m

Lambert-St Louis

Tue 24/3

7:00 p.m.-3:23 p.m.

2 stops19h 23m

C$ 481

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Wed 18/3

2:05 p.m.-11:51 p.m.

2 stops10h 46m

Lambert-St Louis

Tue 24/3

7:00 p.m.-3:23 p.m.

2 stops19h 23m

C$ 492

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Thu 4/6

1:55 p.m.-4:00 p.m.

Nonstop3h 05m

Chicago O'Hare Intl

Mon 8/6

5:00 a.m.-3:31 p.m.

1 stop9h 31m

C$ 554

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

6:45 p.m.-11:58 p.m.

1 stop6h 13m

Lambert-St Louis

Sun 19/4

7:25 a.m.-5:35 p.m.

1 stop9h 10m

C$ 607

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Quebec to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

In general, September is the cheapest month to fly from Quebec to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 380. If you don’t want to visit Illinois in September, then you should wait until March to fly from Quebec, when ticket prices are also cheap, with an average price of C$ 386.

What is the cheapest day to depart on your flight to Illinois?

According to our data, Thursday is the cheapest day to fly to Illinois from Quebec. The lowest ticket price found for a Thursday departure recently was C$ 683. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Illinois is Sunday, with ticket prices averaging around C$ 1,029.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Quebec to Illinois during this time can be as low as C$ 756. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,159 on average. Flights to Illinois from Quebec at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Quebec to Illinois flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl for the best Quebec - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Quebec when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around C$ 485 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Quebec for as low as C$ 311 on momondo.

What cabin class options are available on Quebec to Illinois flights?

There are 4 cabin classes available to choose from on Quebec to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Quebec to Illinois flights?

No. A direct flight is the cheapest option for a flight between Quebec to Illinois.

Cheap Quebec to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Quebec to Illinois

Best price found

C$ 309

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Quebec in the past 72 hours is C$ 309. The best round-trip flight deal from Quebec to Illinois found on momondo in the last 72 hours is C$ 469.
The fastest flight from Quebec to Illinois takes 2h 20m
Direct flights go from Quebec to Illinois every day.
There are 98 airports in Illinois. From Quebec there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

  • When did momondo last update prices for flights from Quebec to Illinois?

    Prices for flights from Quebec to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Quebec to Illinois?

  • How old do you have to be to fly from Quebec to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Quebec to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Quebec to Illinois?

Best airlines flying from Quebec to Illinois

Compare and see reviews for airlines that fly from Quebec to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 173Free CancellationRating
7.1
10,767 reviews
Search Air Canada flights
American AirlinesPriceFrom C$ 175Free CancellationRating
7.1
11,370 reviews
Search American Airlines flights
Porter AirlinesPriceFrom C$ 186Free CancellationRating
8.0
420 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 254Free CancellationRating
7.4
9,375 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Quebec to Illinois?

It is quick and easy to find Quebec to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from Quebec to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Quebec with this policy.

How can momondo help me find flights from Quebec to Illinois?

Once you have performed a search for Quebec to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Quebec to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Quebec are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Illinois trip

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