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Cheap flights from Quebec to Illinois from C$ 157

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 28/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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$ 249Porter Airlines
Thu, 4 Jun - Sun, 7 Jun
Porter Airlines Logo
6:30 a.m. - 2:35 p.m.
YUL
-
MDW
9h 05m
1 stop
Porter Airlines Logo
10:25 a.m. - 5:15 p.m.
MDW
-
YUL
5h 50m
1 stop
C$ 267Porter Airlines
Thu, 21 May - Fri, 5 Jun
Air Canada Logo
6:30 p.m. - 8:08 p.m.
YUL
-
ORD
2h 38mdirect
Air Canada Logo
8:45 a.m. - 12:00 p.m.
ORD
-
YUL
2h 15mdirect
C$ 395Air Canada
Thu, 7 May - Sun, 10 May
United Airlines Logo
6:10 a.m. - 8:00 a.m.
YUL
-
ORD
2h 50mdirect
United Airlines Logo
6:04 p.m. - 9:26 p.m.
ORD
-
YUL
2h 22mdirect
C$ 397United Airlines
Thu, 7 May - Sat, 23 May
Air Canada Logo
1:15 p.m. - 2:53 p.m.
YUL
-
ORD
2h 38mdirect
Air Canada Logo
2:00 p.m. - 9:45 p.m.
ORD
-
YUL
6h 45m
1 stop
C$ 398Air Canada
Fri, 29 May - Fri, 5 Jun
United Airlines Logo
6:00 a.m. - 1:15 p.m.
YUL
-
ORD
8h 15m
1 stop
United Airlines Logo
7:00 a.m. - 1:09 p.m.
ORD
-
YUL
5h 09m
1 stop
C$ 405United Airlines
Thu, 7 May - Sat, 16 May
Multiple Airlines Logo
6:55 a.m. - 2:35 p.m.
YOW
-
MDW
8h 40m
1 stop
Multiple Airlines Logo
4:52 p.m. - 12:20 a.m.
MDW
-
YOW
30h 28m
2 stops
C$ 487Multiple Airlines
Wed, 6 May - Mon, 11 May
Multiple Airlines Logo
4:15 p.m. - 12:24 a.m.
YOW
-
ORD
9h 09m
1 stop
Multiple Airlines Logo
1:49 p.m. - 12:15 p.m.
ORD
-
YOW
21h 26m
1 stop
C$ 497Multiple Airlines
Thu, 30 Apr - Mon, 4 May
American Airlines Logo
12:30 p.m. - 8:30 p.m.
YUL
-
STL
9h 00m
1 stop
American Airlines Logo
2:56 p.m. - 9:50 a.m.
STL
-
YUL
17h 54m
1 stop
C$ 625American Airlines
Wed, 27 May - Wed, 3 Jun
American Airlines Logo
5:33 p.m. - 8:32 a.m.
YUL
-
STL
15h 59m
1 stop
American Airlines Logo
2:56 p.m. - 9:50 a.m.
STL
-
YUL
17h 54m
1 stop
C$ 719American Airlines
Fri, 29 May - Mon, 1 Jun

Air Canada flights from Quebec to Illinois

Our best Air Canada deals on Quebec to Illinois flight tickets
Air Canada
7 May
YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl
2h 38m
ORD8:08 p.m.Chicago O'Hare Intl
10 May
ORD8:45 a.m.Chicago O'Hare Intl
2h 15m
YUL12:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 395
Air Canada
29 May
YUL1:15 p.m.Montreal Pierre Elliott Trudeau Intl
2h 38m
ORD2:53 p.m.Chicago O'Hare Intl
5 Jun
ORD2:00 p.m.Chicago O'Hare Intl
6h 45m
1 stop
YUL9:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 398
Air Canada
7 May
YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl
2h 38m
ORD8:08 p.m.Chicago O'Hare Intl
10 May
ORD8:45 a.m.Chicago O'Hare Intl
2h 15m
YUL12:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 399

United Airlines flights from Quebec to Illinois

Our best United Airlines deals on Quebec to Illinois flight tickets
United Airlines
7 May
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
2h 50m
ORD8:00 a.m.Chicago O'Hare Intl
23 May
ORD6:04 p.m.Chicago O'Hare Intl
2h 22m
YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 396
United Airlines
7 May
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 15m
1 stop
ORD1:15 p.m.Chicago O'Hare Intl
16 May
ORD7:00 a.m.Chicago O'Hare Intl
5h 09m
1 stop
YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 405
United Airlines
7 May
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
2h 43m
ORD11:28 a.m.Chicago O'Hare Intl
10 May
ORD6:03 p.m.Chicago O'Hare Intl
2h 23m
YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 441

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 15 April 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

Cheapest round-trip

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

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

1 stop4h 10m

Chicago Midway

Sun 7/6

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

1 stop5h 50m

C$ 249

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

6:30 a.m.-2:35 p.m.

1 stop9h 05m

Chicago Midway

Fri 5/6

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

1 stop5h 50m

C$ 267
Quickest round-trip

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:30 p.m.-8:08 p.m.

Nonstop2h 38m

Chicago O'Hare Intl

Sun 10/5

8:45 a.m.-12:00 p.m.

Nonstop2h 15m

C$ 395

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:10 a.m.-8:00 a.m.

Nonstop2h 50m

Chicago O'Hare Intl

Sat 23/5

6:04 p.m.-9:26 p.m.

Nonstop2h 22m

C$ 396

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

1:15 p.m.-2:53 p.m.

Nonstop2h 38m

Chicago O'Hare Intl

Fri 5/6

2:00 p.m.-9:45 p.m.

1 stop6h 45m

C$ 398

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:00 a.m.-1:15 p.m.

1 stop8h 15m

Chicago O'Hare Intl

Sat 16/5

7:00 a.m.-1:09 p.m.

1 stop5h 09m

C$ 405

OttawaChicago

YOW - MDW

YOWMDW

Ottawa

Wed 6/5

6:55 a.m.-2:35 p.m.

1 stop8h 40m

Chicago Midway

Mon 11/5

4:52 p.m.-12:20 a.m.

2 stops30h 28m

C$ 487

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Thu 30/4

4:15 p.m.-12:24 a.m.

1 stop9h 09m

Chicago O'Hare Intl

Mon 4/5

1:49 p.m.-12:15 p.m.

1 stop21h 26m

C$ 497

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

12:30 p.m.-8:30 p.m.

1 stop9h 00m

Lambert-St Louis

Wed 3/6

2:56 p.m.-9:50 a.m.

1 stop17h 54m

C$ 625

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

5:33 p.m.-8:32 a.m.

1 stop15h 59m

Lambert-St Louis

Mon 1/6

2:56 p.m.-9:50 a.m.

1 stop17h 54m

C$ 719

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, March 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$ 376. If you don’t want to visit Illinois in March, then you should wait until September to fly from Quebec, when ticket prices are also cheap, with an average price of C$ 388.

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$ 696. 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$ 1,060.

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$ 735. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,174 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$ 476 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$ 310 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?

You could potentially save up to 7% on your flight if you consider stops on a Quebec to Illinois flight.

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$ 422

Fastest flight time

2h 08m

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$ 422. The best round-trip flight deal from Quebec to Illinois found on momondo in the last 72 hours is C$ 525.
The fastest flight from Quebec to Illinois takes 2h 08m
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

Frequently asked questions about flying from Quebec to Illinois

  • 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$ 174Free CancellationRating
7.1
10,927 reviews
Search Air Canada flights
American AirlinesPriceFrom C$ 177Free CancellationRating
7.1
11,580 reviews
Search American Airlines flights
Porter AirlinesPriceFrom C$ 180Free CancellationRating
8.0
435 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 256Free CancellationRating
7.4
9,589 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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Find better results for your trip to Illinois

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