Cheapest upcoming dates
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Airlines Flying This Route
UA
AC
Airports on this route
Arriving in Chicago
- ORD
O'Hare International Airport
Chicago
Best time to fly
The cheapest upcoming date we found is 27 Oct, from $218.
Typical climate in Chicago
Average daily highs and lows in Chicago, and how often it rains.
Warmest month
Jul, around 28°C
Wettest month
Jul, about 13 rainy days
- Jan: average high 0°C, average low -7°C, 10 days of rain.
- Feb: average high 3°C, average low -7°C, 9 days of rain.
- Mar: average high 9°C, average low 0°C, 11 days of rain.
- Apr: average high 15°C, average low 4°C, 14 days of rain.
- May: average high 21°C, average low 10°C, 14 days of rain.
- Jun: average high 27°C, average low 16°C, 13 days of rain.
- Jul: average high 28°C, average low 19°C, 13 days of rain.
- Aug: average high 28°C, average low 18°C, 12 days of rain.
- Sep: average high 25°C, average low 15°C, 10 days of rain.
- Oct: average high 17°C, average low 8°C, 11 days of rain.
- Nov: average high 10°C, average low 1°C, 7 days of rain.
- Dec: average high 5°C, average low -3°C, 9 days of rain.
More for your trip
Everything else your trip needs, compared in one place.
More routes from Montreal
More ways to reach Chicago
Destinations like Chicago
The return route
Tips for Cheaper Flights
Book Early
For flights from Montreal to Chicago, 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 2 airlines so you always find the best deal.
Be Flexible
Shifting your dates by a day or two can save significantly on Montreal to Chicago flights.
Frequently Asked Questions
A typical flight from Montreal to Chicago takes about 2h 51m.
Yes, direct flights are available from Montreal to Chicago, taking approximately 2h 51m.
Flights to Chicago arrive at O'Hare International Airport (ORD).
2 airlines operate this route, including UA, AC.
27 Oct currently has the lowest observed fare from Montreal to Chicago among the upcoming dates with available data.