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.
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.
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.
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
5h 02mChicago Midway
Montreal Pierre Elliott Trudeau Intl
1 stop
5h 23mPorter Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
3h 47mChicago Midway
Montreal Pierre Elliott Trudeau Intl
1 stop
6h 08mPorter Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
3h 47mChicago Midway
Montreal Pierre Elliott Trudeau Intl
1 stop
5h 18mPorter Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
5h 02mChicago Midway
Montreal Pierre Elliott Trudeau Intl
1 stop
5h 23mPorter Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
3h 47mChicago Midway
Montreal Pierre Elliott Trudeau Intl
1 stop
6h 08mPorter Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
3h 47mChicago Midway
Montreal Pierre Elliott Trudeau Intl
1 stop
5h 18mPorter Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
1 stop
23h 35mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
1 stop
22h 40mFlair Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
1 stop
23h 35mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
1 stop
4h 55mFlair Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
Nonstop
2h 38mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
Nonstop
2h 09mAir Canada
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
Nonstop
2h 38mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
Nonstop
2h 09mAir Canada
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
Nonstop
2h 28mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
Nonstop
2h 09mAir Canada
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
Nonstop
2h 38mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
Nonstop
2h 09mAir Canada
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
Nonstop
2h 38mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
Nonstop
2h 09mAir Canada
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
Nonstop
2h 28mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
Nonstop
2h 09mAir Canada
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
1 stop
12h 50mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
1 stop
11h 10mMultiple Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
1 stop
12h 50mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
1 stop
11h 10mMultiple Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago O'Hare Intl
1 stop
12h 50mChicago O'Hare Intl
Montreal Pierre Elliott Trudeau Intl
1 stop
8h 15mMultiple Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
5h 27mPorter Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
5h 02mPorter Airlines
Montreal Pierre Elliott Trudeau Intl
Chicago Midway
1 stop
3h 47mPorter Airlines
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.
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.
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.
There are currently 20+ open flights from Montreal to Illinois within the next 7 days for less than C$ 400.
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).
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.
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.
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.
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.
1%of flight departures | Early morningMidnight to 6 am |
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75%of flight departures | Morning6 am to noon |
24%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |