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Cheap Flights from Montreal to Saint Louis

  • Montreal Saint Louis

    Tue, Mar 17 - Thu, Mar 19

    From US$208.91
  • Montreal Saint Louis

    Tue, Mar 10 - Tue, Mar 17

    From US$210.33
  • Montreal Saint Louis

    Tue, Mar 10 - Tue, Mar 17

    From US$211.90
  • Montreal Saint Louis

    Tue, Mar 10 - Tue, Mar 17

    From US$213.32
  • Montreal Saint Louis

    Tue, Feb 25 - Mon, Mar 2

    From US$217.30
  • Montreal Saint Louis

    Tue, Feb 25 - Mon, Mar 2

    From US$219.58

Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

Montreal to Saint Louis Flight Information

Below are some common questions asked about this flight route:

When can I book the cheapest flight from Montreal to Saint Louis?

Airlines adjust prices for plane tickets based on the day and time that you book your flight. After analyzing data from all airlines, we have discovered that the best days to book flights from Montreal to Saint Louis are Tuesdays, Wednesdays, and Saturdays.

What is the most popular airline for non-stop flights from Montreal to Saint Louis?

provides of the non-stop flights between Montreal and Saint Louis.

How many airports are there in Saint Louis?

Airports at destination:
Flight route:
Price starting from:

Montreal to Saint Louis Flight Schedule

The schedule for flights from Montreal to Saint Louis could not be found. To find all routes between Montreal and Saint Louis, please use the search box above.

Montreal to St.Louis Lambert International Airport (STL)

18:20, Mar 10 - 07:20, Mar 17
UA | United Airlines
6h 28m
YUL - STL
2 stop
US$210
Round-trip from
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19:49, Mar 10 - 05:45, Mar 17
AA | American Airlines
16h 57m
YUL - STL
2 stop
US$212
Round-trip from
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12:55, Mar 10 - 07:20, Mar 17
DL | Delta Air Lines
7h 14m
YUL - STL
2 stop
US$213
Round-trip from
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07:00, Mar 18 - 12:51, Mar 24
WS | Westjet
6h 44m
YUL - STL
2 stop
US$213
Round-trip from
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07:00, Mar 19 - 16:35, Mar 24
WS | Westjet
8h 35m
YUL - STL
2 stop
US$215
Round-trip from
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Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

Roundtrip vs One-Way Flights from Montreal to Saint Louis

There is usually no major price difference between buying a roundtrip flight versus a one-way flight. Increased flexibility is the main benefit when it comes to buying a one-way flight from Montreal to Saint Louis. However, booking a roundtrip flight is a simpler process. You can compare roundtrip and one-way flights by using our flight comparison tool.

Travel from Montreal to Saint Louis

Saint Louis attracts thousands of visitors every year for both business and pleasure. Planning a trip from Montreal to Saint Louis is easy when you use Trip.com to help you make travel arrangements. With Trip.com, you can search for available flights and hotel rooms, and then make your booking quickly and easily online.

A Trip to Remember

Make your journey from Montreal to Saint Louis a trip to remember when you use Trip.com to review city attractions before you arrive. With a preview of what's available at your destination, you can make any necessary reservations in advance for the best travel experience possible.