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Flights from St. Louis to Montreal
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Flights from St. Louis to Montreal Starting at NZD 260

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

  • One way
  • Round-trip
      • STL17:20
        19h 50m
        1 stop
        YUL14:10
        Mon, Feb 24|St. Louis - Montreal|Frontier Airlines
        NZD 260NZD 649
        60% OFF
        60% OFF
        NZD 649NZD 260

        Choose Frontier Airlines flights from St. Louis to Montreal. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Mon, Feb 24, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 260 including taxes and charges.

      • STL07:29
        13h 13m
        1 stop
        YUL21:42
        Mon, Mar 3|St. Louis - Montreal|American Airlines
        NZD 367NZD 649
        43% OFF
        43% OFF
        NZD 649NZD 367

        Choose American Airlines flights from St. Louis to Montreal. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Mon, Mar 3, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 367 including taxes and charges.

      • STL17:20
        20h 20m
        1 stop
        YUL14:40
        Wed, Feb 12|St. Louis - Montreal|Frontier Airlines
        NZD 407NZD 649
        37% OFF
        37% OFF
        NZD 649NZD 407

        Choose Frontier Airlines flights from St. Louis to Montreal. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Feb 12, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 407 including taxes and charges.

      • STL07:05
        7h 53m
        1 stop
        YUL15:58
        Wed, Mar 5|St. Louis - Montreal|United Airlines
        NZD 408
        NZD 408

        Choose United Airlines flights from St. Louis to Montreal. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Wed, Mar 5, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 408 including taxes and charges.

      • STL17:10
        16h
        1 stop
        YUL10:10
        Wed, Mar 12|St. Louis - Montreal|American Airlines
        NZD 419
        NZD 419

        Choose American Airlines flights from St. Louis to Montreal. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Wed, Mar 12, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 419 including taxes and charges.

      • STL07:30
        5h 5m
        1 stop
        YUL13:35
        Wed, Feb 19|St. Louis - Montreal|American Airlines
        NZD 432
        NZD 432

        Choose American Airlines flights from St. Louis to Montreal. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Wed, Feb 19, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 432 including taxes and charges.

      • STL07:30
        7h 28m
        1 stop
        YUL15:58
        Wed, Mar 19|St. Louis - Montreal|United Airlines
        NZD 454
        NZD 454

        Choose United Airlines flights from St. Louis to Montreal. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Wed, Mar 19, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 454 including taxes and charges.

      • STL17:50
        4h 32m
        1 stop
        YUL23:22
        Mon, Feb 24|St. Louis - Montreal|Delta Air Lines
        NZD 470
        NZD 470

        Choose Delta Air Lines flights from St. Louis to Montreal. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Mon, Feb 24, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 470 including taxes and charges.

      • STL14:10
        7h 35m
        1 stop
        YUL22:45
        Mon, Feb 24|St. Louis - Montreal|American Airlines
        NZD 475
        NZD 475

        Choose American Airlines flights from St. Louis to Montreal. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Mon, Feb 24, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 475 including taxes and charges.

      • STL07:05
        7h 53m
        1 stop
        YUL15:58
        Wed, Feb 19|St. Louis - Montreal|United Airlines
        NZD 477
        NZD 477

        Choose United Airlines flights from St. Louis to Montreal. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Wed, Feb 19, arriving at Montreal-Trudeau International Airport. One-way Prices start from NZD 477 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        YMQ02:00 pm
        Sat, Feb 15|St. Louis - Montreal|Frontier Airlines
        Find More Flights
        Find More Flights

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

St. Louis to Montreal flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. WS8359

    WestJet

    06:45

    STL

    1.5h

    09:15

    DTW

    SMTWTFS
    Search

  2. WS6303

    WestJet

    21:20

    DTW

    1.8h

    23:08

    YUL

    SMTWTFS

  3. UA3425

    United Airlines

    07:30

    STL

    2.5h

    11:00

    EWR

    SMT---S
    Search

  4. UA3715

    United Airlines

    14:41

    EWR

    1.7h

    16:21

    YUL

    SMTWTFS

  5. AA712

    American Airlines

    07:34

    STL

    1.9h

    10:30

    CLT

    SMTWTFS
    Search

  6. AA5350

    American Airlines

    11:09

    CLT

    2.6h

    13:44

    YUL

    SMTWTFS

  7. WS8545

    WestJet

    10:10

    STL

    1.6h

    12:46

    ATL

    SMTWT--
    Search

  8. WS6365

    WestJet

    14:25

    ATL

    2.7h

    17:09

    YUL

    S--WT--

  9. UA4566

    United Airlines

    13:03

    STL

    1.5h

    14:35

    ORD

    -M-WTF-
    Search

  10. UA702

    United Airlines

    15:45

    ORD

    2.2h

    18:56

    EWR

    ---WTF-

  11. UA3613

    United Airlines

    20:14

    EWR

    1.9h

    22:06

    YUL

    SMTWTFS

  12. WS7951

    WestJet

    13:35

    STL

    2.5h

    17:03

    LGA

    SMTWT-S
    Search

  13. WS7484

    WestJet

    17:30

    LGA

    1.7h

    19:11

    YUL

    SMTWTFS

  14. AA5373

    American Airlines

    14:02

    STL

    2.1h

    17:09

    PHL

    SMTWT-S
    Search

  15. AA5777

    American Airlines

    21:00

    PHL

    1.8h

    22:45

    YUL

    S--WTFS

  16. AC8970

    Air Canada

    16:15

    STL

    1.9h

    19:10

    YYZ

    SMTWTFS
    Search

  17. AC430

    Air Canada

    23:10

    YYZ

    1.3h

    00:28

    YUL

    SMTWTFS

  18. DL1266

    Delta Air Lines

    17:29

    STL

    1.6h

    20:08

    DTW

    SMTWTFS
    Search

  19. DL3924

    Delta Air Lines

    21:40

    DTW

    1.8h

    23:28

    YUL

    SMTWTFS

  20. WS7949

    WestJet

    17:50

    STL

    1.7h

    20:31

    DTW

    SMTWTFS
    Search

  21. WS6305

    WestJet

    21:40

    DTW

    1.8h

    23:26

    YUL

    SMTWTFS
Find more flights and airlines

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

We monitor flight fares to help you find the best deals effortlessly

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

FAQ

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

    Airlines adjust prices for flights from St. Louis to Montreal 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 St. Louis (STL) to Montreal (YMQ) cost?

    According to Trip.com's data, the lowest price is around NZD 900.

  • What is the transportation method from the main airport to downtown in Montreal?

    • The distance from Montreal-Trudeau International Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
    • The distance from Montreal Saint-Hubert Longueuil Airport to downtown is about 11 km. It takes about 30 minutes by taxi.

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

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 St. Louis to Montreal. 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 St. Louis to Montreal

Cheapest nonstop flight priceNZD 259
Off-season for travelJanuary
Peak season for travelApril
Flight distance1,567.27 km
Popular airlineAmerican Airlines

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