Cheapest upcoming dates
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Airlines Flying This Route
AA
AC
P3
PD
Airports on this route
Flying from Chicago
- ORD
O'Hare International Airport
Chicago
Best time to fly
Among the months with available fare data, November had the lowest observed fare, from $157.
Typical climate in Montreal
Average daily highs and lows in Montreal, and how often it rains.
Warmest month
Jul, around 27°C
Wettest month
Aug, about 13 rainy days
- Jan: average high -4°C, average low -11°C, 12 days of rain.
- Feb: average high -2°C, average low -10°C, 12 days of rain.
- Mar: average high 4°C, average low -5°C, 13 days of rain.
- Apr: average high 11°C, average low 1°C, 12 days of rain.
- May: average high 19°C, average low 9°C, 9 days of rain.
- Jun: average high 24°C, average low 15°C, 13 days of rain.
- Jul: average high 27°C, average low 19°C, 13 days of rain.
- Aug: average high 25°C, average low 18°C, 13 days of rain.
- Sep: average high 21°C, average low 14°C, 10 days of rain.
- Oct: average high 15°C, average low 8°C, 12 days of rain.
- Nov: average high 7°C, average low 1°C, 11 days of rain.
- Dec: average high 1°C, average low -5°C, 14 days of rain.
More for your trip
Everything else your trip needs, compared in one place.
More routes from Chicago
The return route
Tips for Cheaper Flights
Book Early
For flights from Chicago to Montreal, booking 2-3 months in advance typically offers the best prices.
Fly Mid-Week
Tuesday to Thursday flights are often cheaper than weekend departures on this route.
Compare All Options
Tripzle compares prices from 4 airlines so you always find the best deal.
Be Flexible
Shifting your dates by a day or two can save significantly on Chicago to Montreal flights.
Frequently Asked Questions
A typical flight from Chicago to Montreal takes about 2h 19m.
Yes, direct flights are available from Chicago to Montreal, taking approximately 2h 19m.
4 airlines operate this route, including AA, AC, P3, PD.
Among the months with available fare data, November had the lowest observed fares from Chicago to Montreal.