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Flights from Montreal to St. Louis
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Flights from Montreal to St. Louis Starting at PLN 693

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • YUL17:35
        26h 59m
        1 stop
        STL19:34
        Thu, Dec 5|Montreal - St. Louis|Porter Airlines
        PLN 693PLN 1,160
        40% OFF
        40% OFF
        PLN 1,160PLN 693

        Choose Porter Airlines flights from Montreal to St. Louis. The one-way connecting flight with Porter Airlines departs from Montreal-Trudeau International Airport on Thu, Dec 5, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 693 including taxes and charges.

      • YUL06:30
        10h 56m
        1 stop
        STL16:26
        Sat, Nov 23|Montreal - St. Louis|Air Transat
        PLN 805PLN 1,160
        31% OFF
        31% OFF
        PLN 1,160PLN 805

        Choose Air Transat flights from Montreal to St. Louis. The one-way connecting flight with Air Transat departs from Montreal-Trudeau International Airport on Sat, Nov 23, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 805 including taxes and charges.

      • YUL06:15
        18h 13m
        1 stop
        STL23:28
        Tue, Dec 17|Montreal - St. Louis|Air Transat
        PLN 841PLN 1,160
        27% OFF
        27% OFF
        PLN 1,160PLN 841

        Choose Air Transat flights from Montreal to St. Louis. The one-way connecting flight with Air Transat departs from Montreal-Trudeau International Airport on Tue, Dec 17, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 841 including taxes and charges.

      • YUL06:15
        18h 12m
        1 stop
        STL23:27
        Wed, Jan 15|Montreal - St. Louis|Air Transat
        PLN 850
        PLN 850

        Choose Air Transat flights from Montreal to St. Louis. The one-way connecting flight with Air Transat departs from Montreal-Trudeau International Airport on Wed, Jan 15, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 850 including taxes and charges.

      • YUL06:45
        17h 39m
        1 stop
        STL23:24
        Thu, Dec 5|Montreal - St. Louis|Air Transat
        PLN 860
        PLN 860

        Choose Air Transat flights from Montreal to St. Louis. The one-way connecting flight with Air Transat departs from Montreal-Trudeau International Airport on Thu, Dec 5, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 860 including taxes and charges.

      • YUL06:15
        17h 31m
        1 stop
        STL22:46
        Sat, Dec 7|Montreal - St. Louis|Air Transat
        PLN 869
        PLN 869

        Choose Air Transat flights from Montreal to St. Louis. The one-way connecting flight with Air Transat departs from Montreal-Trudeau International Airport on Sat, Dec 7, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 869 including taxes and charges.

      • YUL08:30
        15h 58m
        1 stop
        STL23:28
        Tue, Dec 17|Montreal - St. Louis|Air Canada
        PLN 876
        PLN 876

        Choose Air Canada flights from Montreal to St. Louis. The one-way connecting flight with Air Canada departs from Montreal-Trudeau International Airport on Tue, Dec 17, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 876 including taxes and charges.

      • YUL06:15
        18h 9m
        1 stop
        STL23:24
        Fri, Dec 6|Montreal - St. Louis|Air Transat
        PLN 956
        PLN 956

        Choose Air Transat flights from Montreal to St. Louis. The one-way connecting flight with Air Transat departs from Montreal-Trudeau International Airport on Fri, Dec 6, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 956 including taxes and charges.

      • YUL12:30
        21h 59m
        1 stop
        STL09:29
        Sat, Nov 23|Montreal - St. Louis|American Airlines
        PLN 956
        PLN 956

        Choose American Airlines flights from Montreal to St. Louis. The one-way connecting flight with American Airlines departs from Montreal-Trudeau International Airport on Sat, Nov 23, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 956 including taxes and charges.

      • YUL12:30
        22h 15m
        1 stop
        STL09:45
        Wed, Dec 4|Montreal - St. Louis|American Airlines
        PLN 956
        PLN 956

        Choose American Airlines flights from Montreal to St. Louis. The one-way connecting flight with American Airlines departs from Montreal-Trudeau International Airport on Wed, Dec 4, arriving at St. Louis Lambert International Airport. One-way Prices start from PLN 956 including taxes and charges.

      • YMQ13:00
        3h 5m
        Nonstop
        STL14:00
        Fri, Nov 29|Montreal - St. Louis|Porter Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Montreal to St. Louis

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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Montreal to St. Louis

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Porter Airlines
From PLN 693
WestJet
From PLN 753
Air Transat
From PLN 805
United Airlines
From PLN 857
Air Canada
From PLN 876
American Airlines
From PLN 956
Delta Air Lines
From PLN 992

Find more flights and airlines

Alternative Routes from Montreal to St. Louis

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Montreal to St. Louis.

  • Cheapest
    Porter Airlines
    YUL
    17:35
    26h 59m
    1 transfer
    STL
    19:34
    Montreal-Trudeau International Airport - St. Louis Lambert International Airport
    Thu, Dec 5Porter Airlines
    PLN 693
  • Porter Airlines
    YUL
    17:35
    26h 59m
    1 transfer
    STL
    19:34
    Montreal-Trudeau International Airport - St. Louis Lambert International Airport
    Thu, Dec 5Porter Airlines
    PLN 693
    Find More Flights

FAQ

  • When are flight tickets from Montreal (YMQ) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Montreal to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Montreal (YMQ) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around PLN 2,135.

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.

How to find a cheap flight from Montreal to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Montreal to St. Louis. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Montreal to St. Louis

Cheapest nonstop flight pricePLN 692
Off-season for travelNovember
Peak season for travelAugust
Flight distance1,567.27 km
Popular airlineAmerican Airlines

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