Cheap flights from Montreal to Illinois

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Montreal (YMQ)
Chicago (ORD)
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How to find the cheapest flight from
Montreal (YMQ) to Illinois

All the information you need to plan the best YMQ to ORD flight in 2021: compare Montreal to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
How far in advance should I book a flight from Montreal to Illinois?

To save up to 86% on this flight, we recommend booking at least 34 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Montreal to Illinois from C$ 422 1-2 weeks out and tickets from C$ 571 for flights departing within the next 72 hours.

What is the cheapest month to fly from Montreal to Illinois?

The best pricing can be found in the month of April. Prices to Illinois from Montreal average C$ 307. You can even find prices in April for less than C$ 307, as users have found deals to Illinois from as low as C$ 232. The month of January appears to be one of the more expensive times to travel to Illinois from Montreal. Flying in the targeted month can save you up to 10%.

Cheap flights from Montreal to Illinois in June, July 2021

The best prices found for YMQ to Illinois flights for June, July
23 Jul - 8 Aug
C$ 369pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
23 Jul - 8 Aug
C$ 391pp
YUL
Montreal Pierre Elliott Trudeau Intl
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
23 Jul - 27 Jul
C$ 462pp
YUL
Montreal Pierre Elliott Trudeau Intl
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl

Montreal to Illinois 2021 flight deals

Cheap flights to Illinois from Montreal found for this year
23 Jul - 8 Aug
C$ 369pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
15 Aug - 19 Aug
C$ 380pp
YUL
Montreal Pierre Elliott Trudeau Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
12 Oct - 14 Oct
C$ 388pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl

Direct flights to Illinois from Montreal

Save time with Montreal to Illinois direct flight deals
8 Oct - 17 Oct
C$ 437pp
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
4 Aug - 8 Aug
C$ 448pp
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
15 Sep - 21 Sep
C$ 480pp
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl

Last minute flights from Montreal to Illinois

Late deals on round-trip flights to Illinois from Montreal, departing today and this week
22 Jun - 6 Jul
C$ 637pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
22 Jun - 6 Jul
C$ 690pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl
22 Jun - 6 Jul
C$ 731pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl

One-way flights to Illinois from Montreal

The cheapest one-way flights from Montreal to Illinois
11:00 a.m. - 4:16 p.m.
Porter Airlines
1 stop
6h 16m
YUL - MDW
Porter Airlines
C$ 295
Ovago
10:30 a.m. - 8:52 a.m.
American Airlines
2 stops
23h 22m
YUL - ORD
American Airlines
C$ 394
3:30 a.m. - 12:28 p.m.
Delta
2 stops
9h 58m
YUL - MDW
Delta
C$ 404
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Montreal</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From Montreal to Illinois

Can I find flights from Montreal to Illinois for under C$ 486 on Cheapflights?

Yes, there are multiple flights from Montreal to Illinois for under C$ 486. The cheapest flight booked recently is on Multiple Airlines for just C$ 380, but on average you can expect to pay C$ 441.

Which airlines flying from Montreal to Illinois have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Montreal to Illinois that may be offering flexible cancellation policies are Air Canada, Porter Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Are there direct flights from Montreal to Illinois for under C$ 486 on Cheapflights?

Cheapflights has 15 direct flights from Montreal to Illinois under C$ 486. A good price for a direct flight from Montreal to Illinois is less than C$ 526.

Are there last-minute flights available from Montreal to Illinois for under C$ 729?

There are currently 5+ open flights from Montreal to Illinois within the next 7 days for less than C$ 729.

What days are direct flights available from Montreal to Illinois?

Direct flights are available for this route on the following days: Tuesday, Wednesday, Thursday, Saturday.

What are the most popular airlines that fly from Montreal to Illinois?

Before booking your flight from Montreal to Illinois check out the most popular airlines for this route: Major Airline, American Airlines or Air Canada.

What are the most popular routes from Montreal to Illinois?

The most popular route from Montreal to Illinois is Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl. You may also consider Montreal Pierre Elliott Trudeau Intl - Chicago Midway or Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis.

What are the cheapest flights from Montreal to Illinois?

Looking for the cheapest flight from Montreal to Illinois? While on average our users pay C$ 436, our data indicates the cheapest price to be C$ 242. The most popular route (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl), is priced around C$ 490.

What are the most reliable airlines from Montreal to Illinois?

Before booking your flight to Illinois from Montreal, check out the most reliable airlines to get you to your destination on time: Air Canada (97%), Jazz (96%), United Airlines( 92%).

How long is the flight from Montreal to Illinois?

A quick flight from Montreal to Illinois can take about 2h 26m. Air Canada provides one of the quickest options available for as low as C$ 438. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Montreal to Illinois round-trip?

Our cheapest airline available from Montreal to Illinois is American Airlines. Our recent data shows that you can find tickets from as low as C$ 388 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at C$ 392 and C$ 437 round-trip.

What are the cheapest airlines to fly from Montreal to Illinois one-way?

The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as C$ 271. However, be on the lookout for offers from Porter Airlines and Delta, as they are both options that can get you from Montreal to Illinois for a low price.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Montreal to Illinois.
Today's exchange rate
C$ 1 = $0.83
Flight duration
2h 17m

Airports servicing Montreal

Montreal Pierre Elliott Trudeau Intl (YUL)
Montreal St Hubert (YHU)

Airports servicing

Bloomington Bloomington-Normal (BMI)
Champaign University-Willard (CMI)
Decatur Arpt (DEC)
Moline (MLI)
Marion Williamson County (MWA)

Top 5 airlines flying from Montreal to Illinois

The chart below displays the airlines Cheapflights users travelling from Montreal to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Porter Airlines
C$ 199 C$ 276 No cancel fee 52%
Search Porter Airlines flights
Delta
C$ 184 C$ 388 No cancel fee N/A
Search Delta flights
Air Canada
C$ 284 C$ 412 No cancel fee 67%
Search Air Canada flights
American Airlines
C$ 205 C$ 467 No cancel fee 71%
Search American Airlines flights
United Airlines
C$ 282 C$ 484 No cancel fee 69%
Search United Airlines flights
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