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St. Louis Lambert International Airport to Calgary Intl. Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Calgary Intl. Airport over the next 90 days, with one-way fares from $200 and round-trip from $423. Based on Trip.com's latest 7-day flight data.

      • STL 10:40 AM
        7h 30m
        1 stop
        YYC 5:10 PM
        St. Louis - Calgary | Fri, Oct 2 | WestJet
        YYC 10:15 AM
        12h 1m
        1 stop
        STL 11:16 PM
        Calgary - St. Louis | Tue, Oct 6 | WestJet
        $423 $754
        44% off
        44% off
        $754 $423
      • STL 2:25 PM
        9h 41m
        1 stop
        YYC 11:06 PM
        St. Louis - Calgary | Fri, Oct 16 | Delta Air Lines
        YYC 1:51 PM
        9h 36m
        1 stop
        STL 12:27 AM
        Calgary - St. Louis | Mon, Oct 19 | American Airlines
        $429 $754
        43% off
        43% off
        $754 $429
      • STL 12:46 PM
        9h 56m
        1 stop
        YYC 9:42 PM
        St. Louis - Calgary | Fri, Oct 16 | American Airlines
        YYC 7:00 AM
        16h 27m
        1 stop
        STL 12:27 AM
        Calgary - St. Louis | Mon, Oct 19 | American Airlines
        $459 $754
        39% off
        39% off
        $754 $459
      • STL 10:05 AM
        8h 5m
        1 stop
        YYC 5:10 PM
        St. Louis - Calgary | Fri, Oct 16 | WestJet
        YYC 1:51 PM
        9h 36m
        1 stop
        STL 12:27 AM
        Calgary - St. Louis | Mon, Oct 19 | American Airlines
        $474
        37% off
        $754 $474
      • STL 8:55 AM
        9h 12m
        1 stop
        YYC 5:07 PM
        St. Louis - Calgary | Fri, Oct 2 | Air Canada
        YYC 10:15 AM
        23h 16m
        1 stop
        STL 10:31 AM
        Calgary - St. Louis | Tue, Oct 6 | WestJet
        $490
        35% off
        $754 $490
      • STL 1:36 PM
        5h 54m
        1 stop
        YYC 6:30 PM
        St. Louis - Calgary | Fri, Oct 2 | United Airlines
        YYC 10:15 AM
        12h 1m
        1 stop
        STL 11:16 PM
        Calgary - St. Louis | Tue, Oct 6 | WestJet
        $491
        35% off
        $754 $491
      • STL 5:18 PM
        7h 11m
        1 stop
        YYC 11:29 PM
        St. Louis - Calgary | Fri, Oct 2 | American Airlines
        YYC 10:15 AM
        23h 16m
        1 stop
        STL 10:31 AM
        Calgary - St. Louis | Tue, Oct 6 | WestJet
        $510
        32% off
        $754 $510
      • STL 3:19 PM
        8h 27m
        1 stop
        YYC 10:46 PM
        St. Louis - Calgary | Fri, Oct 16 | Alaska Airlines
        YYC 7:00 AM
        16h 27m
        1 stop
        STL 12:27 AM
        Calgary - St. Louis | Mon, Oct 19 | American Airlines
        $525
        30% off
        $754 $525
      • STL 5:10 AM
        9h 43m
        1 stop
        YYC 1:53 PM
        St. Louis - Calgary | Fri, Oct 16 | United Airlines
        YYC 6:45 AM
        6h 59m
        1 stop
        STL 2:44 PM
        Calgary - St. Louis | Mon, Oct 19 | American Airlines
        $525
        30% off
        $754 $525
      • STL 5:00 PM
        7h 6m
        1 stop
        YYC 11:06 PM
        St. Louis - Calgary | Fri, Oct 2 | Delta Air Lines
        YYC 10:15 AM
        23h 16m
        1 stop
        STL 10:31 AM
        Calgary - St. Louis | Tue, Oct 6 | WestJet
        $554
        27% off
        $754 $554
      • STL 8:55 AM
        17h 22m
        1 stop
        YYC 1:17 AM
        St. Louis - Calgary | Fri, Oct 16 | Air Canada
        YYC 12:55 AM
        12h 5m
        1 stop
        STL 2:00 PM
        Calgary - St. Louis | Mon, Oct 19 | Air Canada
        $597
        21% off
        $754 $597
      • STL 1:36 PM
        5h 54m
        1 stop
        YYC 6:30 PM
        St. Louis - Calgary | Thu, Sep 24 | United Airlines
        YYC 12:20 AM
        14h 57m
        1 stop
        STL 4:17 PM
        Calgary - St. Louis | Tue, Sep 29 | WestJet
        $603
        20% off
        $754 $603
      • STL 1:00 PM
        17h 25m
        1 stop
        YYC 2:00 PM
        St. Louis - Calgary | Thu, Sep 24 | Normal Airline
        YYC 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        Calgary - St. Louis | Sat, Sep 26 | Normal Airline
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      • Cheapest nonstop
        STL 9:00 AM
        5h 53m
        Nonstop
        YYC 1:53 PM
        St. Louis - Calgary | Thu, Oct 15 | United Airlines
        $301 $489
        38% off
        38% off
        $489 $301
      • STL 6:47 AM
        14h 28m
        1 stop
        YYC 8:15 PM
        St. Louis - Calgary | Mon, Oct 12 | WestJet
        $200 $489
        59% off
        59% off
        $489 $200
      • STL 6:40 AM
        14h 35m
        1 stop
        YYC 8:15 PM
        St. Louis - Calgary | Sun, Oct 4 | WestJet
        $202 $489
        59% off
        59% off
        $489 $202
      • STL 6:00 AM
        12h 10m
        1 stop
        YYC 5:10 PM
        St. Louis - Calgary | Wed, Oct 14 | WestJet
        $207
        57% off
        $489 $207
      • STL 6:00 AM
        13h 55m
        1 stop
        YYC 6:55 PM
        St. Louis - Calgary | Sat, Oct 31 | WestJet
        $219
        55% off
        $489 $219
      • STL 6:00 AM
        6h 28m
        1 stop
        YYC 11:28 AM
        St. Louis - Calgary | Wed, Sep 30 | United Airlines
        $221
        55% off
        $489 $221
      • STL 5:10 AM
        9h 43m
        1 stop
        YYC 1:53 PM
        St. Louis - Calgary | Wed, Oct 14 | United Airlines
        $229
        53% off
        $489 $229
      • STL 5:43 AM
        7h 11m
        1 stop
        YYC 11:54 AM
        St. Louis - Calgary | Wed, Sep 30 | American Airlines
        $230
        53% off
        $489 $230
      • STL 1:36 PM
        9h 12m
        1 stop
        YYC 9:48 PM
        St. Louis - Calgary | Sat, Oct 3 | United Airlines
        $232
        53% off
        $489 $232
      • STL 1:36 PM
        9h 12m
        1 stop
        YYC 9:48 PM
        St. Louis - Calgary | Tue, Oct 13 | United Airlines
        $236
        52% off
        $489 $236
      • STL 10:29 AM
        10h 46m
        1 stop
        YYC 8:15 PM
        St. Louis - Calgary | Wed, Sep 23 | WestJet
        $237
        52% off
        $489 $237
      • STL 6:00 AM
        12h 10m
        1 stop
        YYC 5:10 PM
        St. Louis - Calgary | Sat, Sep 26 | WestJet
        $391
        20% off
        $489 $391
      • STL 1:36 PM
        9h 12m
        1 stop
        YYC 9:48 PM
        St. Louis - Calgary | Sat, Sep 26 | United Airlines
        $391
        20% off
        $489 $391
      • STL 1:00 PM
        17h 25m
        1 stop
        YYC 2:00 PM
        St. Louis - Calgary | Thu, Sep 24 | Normal Airline
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Displayed flight fares from St. Louis Lambert International Airport to Calgary Intl. Airport 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 Intl. Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Calgary Intl. Airport is American Airlines (from $168) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From $168
WestJet
From $194
United Airlines
From $209
Frontier Airlines
From $223
Alaska Airlines
From $265
Delta Air Lines
From $270
Air Canada
From $456

Find more flights and airlines

What is the flight schedule from St. Louis Lambert International Airport to Calgary Intl. 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. UA1380

    St. Louis Lambert International Airport

    1:30 PM

    STL

    2h 30m

    Nonstop

    3:00 PM

    DEN

    S M T W T F S
    Search

  2. UA1871

    Denver International Airport

    4:00 PM

    DEN

    2h 30m

    Nonstop

    6:30 PM

    YYC

    S M - - - - S

  3. AA1997

    St. Louis Lambert International Airport

    7:28 AM

    STL

    1h 31m

    Nonstop

    8:59 AM

    ORD

    S M T W T F S
    Search

  4. AA2389

    O'Hare Intl. Airport

    9:56 AM

    ORD

    4h

    Nonstop

    12:56 PM

    YYC

    S M T W T F S

  5. UA4423

    St. Louis Lambert International Airport

    6:00 AM

    STL

    1h 33m

    Nonstop

    7:33 AM

    ORD

    S - T W T F S
    Search

  6. UA764

    O'Hare Intl. Airport

    9:00 AM

    ORD

    3h 54m

    Nonstop

    11:54 AM

    YYC

    S M T W T F S

  7. AA4645

    St. Louis Lambert International Airport

    5:10 PM

    STL

    1h 55m

    Nonstop

    7:05 PM

    ORD

    S M T W T F S
    Search

  8. AA1632

    O'Hare Intl. Airport

    8:30 PM

    ORD

    3h 59m

    Nonstop

    11:29 PM

    YYC

    S M T W T F S

  9. AA2261

    St. Louis Lambert International Airport

    5:43 AM

    STL

    1h 57m

    Nonstop

    7:40 AM

    DFW

    S M T W T F S
    Search

  10. AA1973

    Dallas Fort Worth International Airport

    9:03 AM

    DFW

    3h 51m

    Nonstop

    11:54 AM

    YYC

    S M T W T F S

  11. DL1597

    St. Louis Lambert International Airport

    6:30 AM

    STL

    1h 36m

    Nonstop

    8:06 AM

    MSP

    S M T W T F S
    Search

  12. DL2487

    Minneapolis-Saint Paul International Airport

    10:45 AM

    MSP

    3h 4m

    Nonstop

    12:49 PM

    YYC

    S M T W T F S

  13. WS8834

    St. Louis Lambert International Airport

    10:14 AM

    STL

    1h 35m

    Nonstop

    12:49 PM

    ATL

    S M T W T - S
    Search

  14. WS1591

    Hartsfield–Jackson Atlanta International Airport

    2:25 PM

    ATL

    4h 45m

    Nonstop

    5:10 PM

    YYC

    S M T W T F S

  15. AS388

    St. Louis Lambert International Airport

    3:19 PM

    STL

    4h 22m

    Nonstop

    5:41 PM

    SEA

    S M T W T F S
    Search

  16. AS2201

    Seattle Tacoma Intl. Airport

    8:10 PM

    SEA

    1h 36m

    Nonstop

    10:46 PM

    YYC

    S M T W T F S

  17. AA1926

    St. Louis Lambert International Airport

    5:57 AM

    STL

    1h 33m

    Nonstop

    7:30 AM

    ORD

    S M T W T F S
    Search

  18. AA2389

    O'Hare Intl. Airport

    9:56 AM

    ORD

    4h

    Nonstop

    12:56 PM

    YYC

    S M T W T F S

  19. UA1380

    St. Louis Lambert International Airport

    1:30 PM

    STL

    2h 30m

    Nonstop

    3:00 PM

    DEN

    S M T W T F S
    Search

  20. UA720

    Denver International Airport

    7:05 PM

    DEN

    2h 33m

    Nonstop

    9:38 PM

    YYC

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

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

Flight distance2,301.08 km
Cheapest one-way ticket price$200
Cheapest return ticket price$423

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

  • How many daily flights are there from St. Louis Lambert International Airport (STL) to Calgary Intl. Airport (YYC)?

    There are around 1 daily flights from St. Louis Lambert International Airport (STL) to Calgary Intl. Airport (YYC).
  • The earliest flight from St. Louis Lambert International Airport to Calgary Intl. 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 Intl. Airport (YYC) is quite popular. Without considering departure times or holidays, tickets cost around $360 in September, the most expensive month to book this route.
  • The earliest flight departs from St. Louis Lambert International Airport (STL) at 06:00 and arrives in Calgary Intl. Airport (YYC) at 12:53.
    • The distance from Calgary International Airport to downtown is about 9 km. It takes about 20 minutes by taxi.
  • 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 Intl. Airport currently start from $200, and round-trip fares start from $423. The current lowest fare is a WestJet flight departing on Mon, Oct 12; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from St. Louis Lambert International Airport to Calgary Intl. Airport, with an average flight time of 5 hours 30 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 Intl. Airport is $314. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to Calgary Intl. Airport operates around 5 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter St. Louis Lambert International Airport and Calgary Intl. 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.

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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 in 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, WLAN, 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 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.