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St. Louis Lambert International Airport to Calgary International Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Calgary International Airport over the next 90 days, with one-way fares from MXN$3,816 and round-trip from MXN$9,651. Based on Trip.com's latest 7-day flight data.

    • STL 14:20
      9h 57m
      YYC 00:17
      St. Louis - Calgary | Wed, Dec 2 | Delta Air Lines
      YYC 01:25
      14h 58m
      STL 16:23
      Calgary - St. Louis | Sun, Dec 6 | WestJet
      MXN$9,651 MXN$13,363
      28% off
      28% off
      MXN$13,363 MXN$9,651
    • STL 16:05
      8h 1m
      YYC 00:06
      St. Louis - Calgary | Tue, Dec 1 | Air Canada
      YYC 08:45
      26h 30m
      STL 11:15
      Calgary - St. Louis | Sun, Dec 6 | WestJet
      MXN$9,846 MXN$13,363
      26% off
      26% off
      MXN$13,363 MXN$9,846
    • STL 08:50
      6h 31m
      YYC 15:21
      St. Louis - Calgary | Tue, Dec 1 | United Airlines
      YYC 08:45
      26h 30m
      STL 11:15
      Calgary - St. Louis | Sun, Dec 6 | WestJet
      MXN$9,890 MXN$13,363
      26% off
      26% off
      MXN$13,363 MXN$9,890
    • STL 13:40
      9h 13m
      YYC 22:53
      St. Louis - Calgary | Wed, Dec 2 | United Airlines
      YYC 14:25
      8h 53m
      STL 23:18
      Calgary - St. Louis | Sun, Dec 6 | Delta Air Lines
      MXN$9,907
      26% off
      MXN$13,363 MXN$9,907
    • STL 07:58
      14h 17m
      YYC 22:15
      St. Louis - Calgary | Wed, Dec 2 | American Airlines
      YYC 01:25
      14h 58m
      STL 16:23
      Calgary - St. Louis | Sun, Dec 6 | WestJet
      MXN$10,009
      25% off
      MXN$13,363 MXN$10,009
    • STL 12:56
      9h 51m
      YYC 22:47
      St. Louis - Calgary | Tue, Dec 1 | American Airlines
      YYC 08:45
      26h 30m
      STL 11:15
      Calgary - St. Louis | Sun, Dec 6 | WestJet
      MXN$10,303
      23% off
      MXN$13,363 MXN$10,303
    • STL 14:20
      9h 57m
      YYC 00:17
      St. Louis - Calgary | Mon, Nov 30 | Delta Air Lines
      YYC 14:25
      8h 53m
      STL 23:18
      Calgary - St. Louis | Sun, Dec 6 | Delta Air Lines
      MXN$10,328
      23% off
      MXN$13,363 MXN$10,328
    • STL 16:05
      8h 1m
      YYC 00:06
      St. Louis - Calgary | Mon, Nov 30 | Air Canada
      YYC 08:45
      7h 38m
      STL 16:23
      Calgary - St. Louis | Sun, Dec 6 | WestJet
      MXN$10,367
      22% off
      MXN$13,363 MXN$10,367
    • STL 17:48
      18h 17m
      YYC 12:05
      St. Louis - Calgary | Wed, Dec 2 | WestJet
      YYC 14:25
      8h 53m
      STL 23:18
      Calgary - St. Louis | Sun, Dec 6 | Delta Air Lines
      MXN$10,394
      22% off
      MXN$13,363 MXN$10,394
    • STL 13:00
      17h 25m
      1 stop
      YYC 14:00
      St. Louis - Calgary | Sun, Oct 18 | Normal Airline
      YYC 15:00
      6h
      Direct
      STL 16:00
      Calgary - St. Louis | Tue, Oct 20 | Normal Airline
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    • Cheapest
      STL 06:00
      12h 10m
      1 stop
      YYC 17:10
      St. Louis - Calgary | Mon, Oct 26 | WestJet
      MXN$3,816 MXN$7,491
      49% off
      49% off
      MXN$7,491 MXN$3,816
    • STL 06:00
      13h 55m
      1 stop
      YYC 18:55
      St. Louis - Calgary | Thu, Nov 12 | WestJet
      MXN$4,025 MXN$7,491
      46% off
      46% off
      MXN$7,491 MXN$4,025
    • STL 14:20
      9h 57m
      1 stop
      YYC 00:17
      St. Louis - Calgary | Mon, Dec 7 | Delta Air Lines
      MXN$4,143 MXN$7,491
      45% off
      45% off
      MXN$7,491 MXN$4,143
    • STL 05:00
      7h 39m
      1 stop
      YYC 12:39
      St. Louis - Calgary | Mon, Dec 7 | American Airlines
      MXN$4,182
      44% off
      MXN$7,491 MXN$4,182
    • STL 05:10
      9h 43m
      1 stop
      YYC 13:53
      St. Louis - Calgary | Mon, Oct 26 | United Airlines
      MXN$4,215
      44% off
      MXN$7,491 MXN$4,215
    • STL 05:00
      7h 39m
      1 stop
      YYC 12:39
      St. Louis - Calgary | Sun, Dec 13 | American Airlines
      MXN$4,220
      44% off
      MXN$7,491 MXN$4,220
    • STL 13:36
      9h 12m
      1 stop
      YYC 21:48
      St. Louis - Calgary | Sun, Oct 25 | United Airlines
      MXN$4,347
      42% off
      MXN$7,491 MXN$4,347
    • STL 05:40
      7h 19m
      1 stop
      YYC 11:59
      St. Louis - Calgary | Mon, Oct 26 | American Airlines
      MXN$4,361
      42% off
      MXN$7,491 MXN$4,361
    • STL 10:31
      10h 34m
      1 stop
      YYC 20:05
      St. Louis - Calgary | Sun, Oct 25 | WestJet
      MXN$4,374
      42% off
      MXN$7,491 MXN$4,374
    • STL 13:00
      17h 25m
      1 stop
      YYC 14:00
      St. Louis - Calgary | Sun, Oct 18 | Normal Airline
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    • STL 09:00
      5h 2m
      Direct
      YYC 13:53
      St. Louis - Calgary | Tue, Oct 20 | United Airlines
      MXN$6,626 MXN$12,507
      47% off
      47% off
      MXN$12,507 MXN$6,626
    • STL 08:48
      5h 20m
      Direct
      YYC 15:21
      St. Louis - Calgary | Tue, Dec 22 | United Airlines
      MXN$7,928 MXN$12,507
      37% off
      37% off
      MXN$12,507 MXN$7,928
    • STL 08:48
      5h 20m
      Direct
      YYC 15:21
      St. Louis - Calgary | Tue, Dec 29 | United Airlines
      MXN$10,130 MXN$12,507
      19% off
      19% off
      MXN$12,507 MXN$10,130
    • STL 13:00
      17h 25m
      1 stop
      YYC 14:00
      St. Louis - Calgary | Sun, Oct 18 | Normal Airline
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Displayed flight fares from St. Louis to Calgary are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Calgary International Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Calgary International Airport is American Airlines (from MXN$3,499) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From MXN$3,499
WestJet
From MXN$3,816
Delta Air Lines
From MXN$4,143
United Airlines
From MXN$4,215
Frontier Airlines
From MXN$4,347
Alaska Airlines
From MXN$6,285
Air Canada
From MXN$8,043

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What is the flight schedule from St. Louis Lambert International Airport to Calgary International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA1997

    St. Louis Lambert International Airport

    07:28

    STL

    1h 31m

    Direct

    08:59

    ORD

    S M T W T F S
    Search

  2. AA2389

    O'Hare International Airport

    10:00

    ORD

    3h 51m

    Direct

    12:51

    YYC

    S M T W T F S

  3. UA2459

    St. Louis Lambert International Airport

    08:52

    STL

    6h 29m

    15:21

    YYC

    S M T W T F S
    Search

  4. UA4423

    St. Louis Lambert International Airport

    07:00

    STL

    1h 27m

    Direct

    08:27

    ORD

    S - T W T F S
    Search

  5. UA764

    O'Hare International Airport

    08:40

    ORD

    3h 48m

    Direct

    11:28

    YYC

    S M T W T F S

  6. UA2459

    St. Louis Lambert International Airport

    08:52

    STL

    6h 29m

    15:21

    YYC

    S M T W T F S
    Search

  7. AA2261

    St. Louis Lambert International Airport

    05:40

    STL

    2h

    Direct

    07:40

    DFW

    S M T W T F S
    Search

  8. AA1973

    Dallas Fort Worth International Airport

    09:00

    DFW

    3h 59m

    Direct

    11:59

    YYC

    S M T W T F S

  9. WS8834

    St. Louis Lambert International Airport

    10:30

    STL

    1h 35m

    Direct

    13:05

    ATL

    S M T W T F S
    Search

  10. WS1591

    Hartsfield–Jackson Atlanta International Airport

    14:25

    ATL

    4h 45m

    Direct

    17:10

    YYC

    S M T W T F S

  11. DL1571

    St. Louis Lambert International Airport

    10:47

    STL

    1h 36m

    Direct

    13:23

    ATL

    S M T W T F S
    Search

  12. DL7203

    Hartsfield–Jackson Atlanta International Airport

    14:25

    ATL

    4h 45m

    Direct

    17:10

    YYC

    S M T W T F S

  13. DL5324

    St. Louis Lambert International Airport

    12:28

    STL

    1h 39m

    Direct

    14:07

    MSP

    S M T W T - -
    Search

  14. DL2485

    Minneapolis-Saint Paul International Airport

    18:40

    MSP

    3h

    Direct

    20:40

    YYC

    S M T W T F S

  15. UA1380

    St. Louis Lambert International Airport

    13:30

    STL

    2h 30m

    Direct

    15:00

    DEN

    S M T W T F S
    Search

  16. UA720

    Denver International Airport

    19:16

    DEN

    2h 43m

    Direct

    21:59

    YYC

    S M T W T F S

  17. DL2455

    St. Louis Lambert International Airport

    14:15

    STL

    3h 17m

    Direct

    16:32

    SLC

    S M T W T - S
    Search

  18. DL4113

    Salt Lake City International Airport

    20:55

    SLC

    1h 18m

    Direct

    23:13

    YYC

    S M T W T F S
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About St. Louis Lambert International Airport and Calgary International Airport

Learn about St. Louis Lambert International Airport (STL) and Calgary International Airport (YYC) — including location, terminals, transportation, and travel tips.

Flight distance 2,301.08km
Cheapest one-way ticket price MXN$3,816
Cheapest return ticket price MXN$9,651

FAQs for St. Louis Lambert International Airport to Calgary International Airport Flights

  • How long is the flight from St. Louis Lambert International Airport to Calgary International Airport?

    St. Louis Lambert International Airport to Calgary International Airport takes about 5 hours 32 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from St. Louis Lambert International Airport (STL) to Calgary International Airport (YYC).
  • The earliest flight from St. Louis Lambert International Airport to Calgary International Airport departs at 09:00, and the last departs at 09:00, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from St. Louis Lambert International Airport (STL) to Calgary International Airport (YYC) is quite popular. Without considering departure times or holidays, tickets cost around MXN$8,547 in December, the most expensive month to book this route.
    • The distance from Calgary International Airport to downtown is about 9km, by taxi about 20 minutes.
  • United Airlines is a very popular airline operating an average of 2 flights per month.
  • One-way flights from St. Louis Lambert International Airport to Calgary International Airport currently start from MXN$3,816, and round-trip fares start from MXN$9,651. The current lowest fare is a WestJet flight departing on Mon, Oct 26; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from St. Louis Lambert International Airport to Calgary International Airport, with an average flight time of 5 hours 34 minutes, and around 7 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Calgary International Airport is MXN$5,686. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to Calgary International Airport operates around 7 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter St. Louis Lambert International Airport and Calgary International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.