Cheap flights from Montreal to Illinois

YMQ — ORD
29 May — 5 Jun1
Return
1 adult
Economy
From?
To?
Sun 29/5
Sun 5/6

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

To save up to 45% on this flight, we recommend booking at least 30 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$ 471 1-2 weeks out and tickets from C$ 583 for flights departing within the next 72 hours.

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

Flights from Montreal to Illinois lean towards being more expensive in August. Prices are generally better when you fly from Montreal to Illinois in November, with the cheapest ticket starting at C$ 292.

When is the cheapest time to fly from Montreal to Illinois (YMQ - IL)?

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

Cheap flights from Montreal to Illinois in May, June 2022

The best prices found for YMQ to Illinois flights for May, June
17 Jun. - 18 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

5h 02m
MDW

Chicago Midway

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

5h 23m
C$ 247

Porter Airlines

View Deal

Deal found 5/22/22

18 Jun. - 27 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

3h 47m
MDW

Chicago Midway

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

6h 08m
C$ 248

Porter Airlines

View Deal

Deal found 5/22/22

18 Jun. - 28 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

3h 47m
MDW

Chicago Midway

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

5h 18m
C$ 249

Porter Airlines

View Deal

Deal found 5/22/22

Montreal to Illinois 2022 flight deals

Cheap flights to Illinois from Montreal found for this year
17 Jun. - 18 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

5h 02m
MDW

Chicago Midway

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

5h 23m
C$ 247

Porter Airlines

View Deal

Deal found 5/22/22

18 Jun. - 27 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

3h 47m
MDW

Chicago Midway

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

6h 08m
C$ 248

Porter Airlines

View Deal

Deal found 5/22/22

18 Jun. - 28 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

3h 47m
MDW

Chicago Midway

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

5h 18m
C$ 249

Porter Airlines

View Deal

Deal found 5/22/22

Cheap Flair Airlines flights from Montreal to Illinois

8 Jun. - 14 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

1 stop

23h 35m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

22h 40m
C$ 315

Flair Airlines

View Deal

Deal found 5/23/22

17 Jun. - 21 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

1 stop

23h 35m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

4h 55m
C$ 326

Flair Airlines

View Deal

Deal found 5/23/22

Cheap Air Canada flights from Montreal to Illinois

11 Jun. - 21 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 38m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

2h 09m
C$ 270

Air Canada

View Deal

Deal found 5/21/22

11 Jun. - 20 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 38m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

2h 09m
C$ 289

Air Canada

View Deal

Deal found 5/21/22

14 Jun. - 21 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 28m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

2h 09m
C$ 295

Air Canada

View Deal

Deal found 5/22/22

Direct flights to Illinois from Montreal

Save time with Montreal to Illinois direct flight deals
11 Jun. - 21 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 38m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

2h 09m
C$ 270

Air Canada

View Deal

Deal found 5/21/22

11 Jun. - 20 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 38m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

2h 09m
C$ 289

Air Canada

View Deal

Deal found 5/21/22

14 Jun. - 21 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 28m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

2h 09m
C$ 295

Air Canada

View Deal

Deal found 5/22/22

Last minute flights from Montreal to Illinois

Late deals on round-trip flights to Illinois from Montreal, departing today and this week
1 Jun. - 9 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

1 stop

12h 50m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

11h 10m
C$ 373

Multiple Airlines

View Deal

Deal found 5/22/22

1 Jun. - 9 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

1 stop

12h 50m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

11h 10m
C$ 380

Multiple Airlines

View Deal

Deal found 5/22/22

1 Jun. - 4 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

ORD

Chicago O'Hare Intl

1 stop

12h 50m
ORD

Chicago O'Hare Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

8h 15m
C$ 445

Multiple Airlines

View Deal

Deal found 5/22/22

One-way flights to Illinois from Montreal

The cheapest one-way flights from Montreal to Illinois
17 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

5h 27m
C$ 148

Porter Airlines

View Deal

Deal found 5/23/22

17 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

5h 02m
C$ 150

Porter Airlines

View Deal

Deal found 5/24/22

11 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

MDW

Chicago Midway

1 stop

3h 47m
C$ 152

Porter Airlines

View Deal

Deal found 5/21/22

Related info for your journey

Useful info, stats and facts about Montreal to Illinois flights.

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, American Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Montreal to Illinois for under C$ 300 on Cheapflights?

Yes, there are multiple flights from Montreal to Illinois for under C$ 300. The cheapest flight booked recently is on Porter Airlines for just C$ 247, but on average you can expect to pay C$ 266.

Are there direct flights from Montreal to Illinois for under C$ 300 on Cheapflights?

Cheapflights has 20 direct flights from Montreal to Illinois under C$ 300. A good price for a direct flight from Montreal to Illinois is less than C$ 340.

Are there last-minute flights available from Montreal to Illinois for under C$ 400?

There are currently 20+ open flights from Montreal to Illinois within the next 7 days for less than C$ 400.

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

The cheapest airlines for a one-way flight from Montreal to Illinois are Porter Airlines (C$ 148), Air Canada (C$ 155), and Flair Airlines (C$ 168).

What are the most popular routes from Montreal to Illinois?

The most popular flight routes from Montreal to Illinois are Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl, Montreal Pierre Elliott Trudeau Intl - Chicago Midway and Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis.

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

The most popular airlines flying from Montreal to Illinois are Major Airline, American Airlines and Air Canada. Something to consider prior to booking your flight.

What are the most reliable airlines from Montreal to Illinois?

No one likes to see their flight delayed. When booking a flight from Montreal to Illinois consider choosing GoJet (95%), ANA (90%) or Qatar Airways (87%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Montreal to Illinois?

While on average a flight from Montreal to Illinois is generally C$ 315, our data shows the cheapest flight currently is C$ 175. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl), you can expect to pay C$ 385 for that flight.

Destination points for flights from Montreal to Illinois

Select to see more specific information for flights from Montreal to all places in Illinois

Top 4 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapestC$ 258AverageC$ 544FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Porter AirlinesCheapestC$ 264AverageC$ 384FlexibilityNo cancel feeOn-time52%COVID-19 safety
Search Porter Airlines flights
United AirlinesCheapestC$ 281AverageC$ 569FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Air CanadaCheapestC$ 333AverageC$ 538FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights

Hourly flight availability from Montreal to Illinois

See what time of day planes typically take off from Montreal to Illinois
1%of flight departuresEarly morningMidnight to 6 am
75%of flight departuresMorning6 am to noon
24%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM