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St. Louis Lambert International Airport to Montreal-Trudeau International Airport flight
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Cheap Flight Deals from St. Louis Lambert International Airport to Montreal-Trudeau International Airport

Search for flights from St. Louis to Montreal and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL11:39
        8h 19m
        1 stop
        YUL20:58
        St. Louis - Montreal|Sat, Jun 1|Spirit Airlines
        €146€231
        37% OFF
        37% OFF
        €231€146
      • STL05:55
        9h 5m
        2 stops
        YUL16:00
        St. Louis - Montreal|Wed, May 22|American Airlines
        €156€231
        32% OFF
        32% OFF
        €231€156
      • STL06:00
        15h 50m
        2 stops
        YUL22:50
        St. Louis - Montreal|Tue, Jun 18|American Airlines
        €156€231
        32% OFF
        32% OFF
        €231€156
      • STL05:55
        11h 50m
        2 stops
        YUL18:45
        St. Louis - Montreal|Sat, Jun 1|American Airlines
        €169
        €169
      • STL06:08
        6h 8m
        1 stop
        YUL13:16
        St. Louis - Montreal|Fri, Jun 21|United Airlines
        €184
        €184
      • STL06:08
        8h 43m
        1 stop
        YUL15:51
        St. Louis - Montreal|Wed, Jun 12|United Airlines
        €185
        €185
      • STL06:08
        6h 8m
        1 stop
        YUL13:16
        St. Louis - Montreal|Wed, May 29|United Airlines
        €187
        €187
      • STL11:38
        10h 12m
        2 stops
        YUL22:50
        St. Louis - Montreal|Thu, May 30|United Airlines
        €188
        €188
      • STL06:08
        6h 8m
        1 stop
        YUL13:16
        St. Louis - Montreal|Tue, Jul 2|United Airlines
        €188
        €188
      • STL06:08
        6h 8m
        1 stop
        YUL13:16
        St. Louis - Montreal|Tue, Jun 11|United Airlines
        €190
        €190
      • STL13:00
        3h 5m
        Direct
        YUL14:00
        St. Louis - Montreal|Wed, May 29|Spirit Airlines
        Find More Flights
        Find More Flights

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

Selected Airlines from St. Louis Lambert International Airport to Montreal-Trudeau International Airport

See which airlines fly from St. Louis to Montreal. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Spirit Airlines
From €146
American Airlines
From €156
United Airlines
From €184
Delta Air Lines
From €194
Frontier Airlines
From €200
Air Canada
From €201
WestJet
From €205
Southern Airways Express
From €295
Southwest Airlines
From €398
Sun Country Airlines
From €402
ANA airlines
Find more flights and airlines
Flight Schedule from St. Louis Lambert International Airport to Montreal-Trudeau International Airport

Check the schedule for flights from St. Louis to Montreal and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA477

    United Airlines

    06:08

    STL

    2.4h

    09:30

    EWR

    S--WTFS
    Search

  2. UA3448

    United Airlines

    11:40

    EWR

    1.6h

    13:16

    YUL

    SM-WTFS

  3. DL2140

    Delta Air Lines

    06:30

    STL

    1.5h

    09:02

    DTW

    SMTWTFS
    Search

  4. DL3669

    Delta Air Lines

    10:25

    DTW

    1.8h

    12:12

    YUL

    SMTWTFS

  5. AC4925

    Air Canada

    08:00

    STL

    1.4h

    09:22

    ORD

    SMTWTFS
    Search

  6. AC520

    Air Canada

    08:45

    ORD

    2.2h

    11:59

    YUL

    SMTWTFS

  7. F92182

    Frontier Airlines

    11:21

    STL

    2.2h

    14:34

    PHL

    S-T-TF-
    Search

  8. AC8860

    Air Canada

    16:10

    PHL

    1.6h

    17:45

    YUL

    SMTWTFS

  9. F92182

    Frontier Airlines

    11:21

    STL

    2.2h

    14:34

    PHL

    S-T-TF-
    Search

  10. AA5777

    American Airlines

    20:48

    PHL

    1.8h

    22:33

    YUL

    S--W-FS

  11. UA6646

    United Airlines

    12:00

    STL

    2.4h

    Direct

    15:23

    YUL

    SMTWTFS
    Search

  12. AC8688

    Air Canada

    12:00

    STL

    2.4h

    Direct

    15:23

    YUL

    SMTWTFS
    Search

  13. UA4454

    United Airlines

    13:00

    STL

    2.1h

    16:06

    IAD

    SMTWTFS
    Search

  14. UA3602

    United Airlines

    17:32

    IAD

    1.9h

    19:27

    YUL

    SMTWTFS

  15. DL2772

    Delta Air Lines

    17:07

    STL

    1.6h

    19:44

    ATL

    S--WTFS
    Search

  16. DL2416

    Delta Air Lines

    21:00

    ATL

    2.6h

    23:37

    YUL

    SMTWTFS

  17. NK1130

    Spirit Airlines

    19:48

    STL

    2.5h

    23:16

    MCO

    -MTW-FS
    Search

  18. AC1641

    Air Canada

    17:45

    MCO

    3.2h

    20:55

    YUL

    SMTWTFS
Find more flights and airlines

St. Louis Lambert International Airport to Montreal-Trudeau International Airport Flights Info

Flight distance1,558.52km
Cheapest one-way ticket price€146
Cheapest return ticket price€392

FAQs for St. Louis Lambert International Airport to Montreal-Trudeau International Airport Flights

  • How long is a flight from St.Louis Lambert International Airport to Montreal-Trudeau International Airport?

    It takes around 2 hours 23 minutes to fly from St.Louis Lambert International Airport (STL) to Montreal-Trudeau International Airport (YUL).

  • How many daily flights are there from St.Louis Lambert International Airport (STL) to Montreal-Trudeau International Airport (YUL)?

    There are around 2 daily flights from St.Louis Lambert International Airport (STL) to Montreal-Trudeau International Airport (YUL).

  • When are flight tickets from St.Louis Lambert International Airport (STL) to Montreal-Trudeau International Airport (YUL) the cheapest?

    Tickets cost around €812 in June, making it the cheapest month to book. St.Louis Lambert International Airport (STL) to Montreal-Trudeau International Airport (YUL) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from St.Louis Lambert International Airport (STL) to Montreal-Trudeau International Airport (YUL) most expensive?

    The route from St.Louis Lambert International Airport (STL) to Montreal-Trudeau International Airport (YUL) is quite popular. Without considering departure times or holidays, tickets cost around €812 in June, the most expensive month to book this route.

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

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

  • What's the closest airport to Montreal-Trudeau International Airport (YUL)?

    The closest airport to Montreal-Trudeau International Airport (YUL) is Bromont. The distance is around 81km.

  • Which airline operates the most direct flights from St.Louis Lambert International Airport (STL) to Montreal-Trudeau International Airport (YUL)?

    Air Canada is a very popular airline operating an average of 7 flights per month.

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