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Find St. Louis to Calgary flights starting at CAD 125.

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

  • One way
  • Round-trip
      • STL20:34
        27h 21m
        1 stop
        YYC22:55
        Sun, Dec 15|St. Louis - Calgary|Frontier Airlines
        CAD 125CAD 260
        52% OFF
        52% OFF
        CAD 260CAD 125

        Choose Frontier Airlines flights from St. Louis to Calgary. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sun, Dec 15, arriving at Calgary International Airport. One-way Prices start from CAD 125 including taxes and charges.

      • STL08:30
        6h 51m
        1 stop
        YYC14:21
        Sat, Dec 7|St. Louis - Calgary|United Airlines
        CAD 179CAD 260
        31% OFF
        31% OFF
        CAD 260CAD 179

        Choose United Airlines flights from St. Louis to Calgary. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sat, Dec 7, arriving at Calgary International Airport. One-way Prices start from CAD 179 including taxes and charges.

      • STL13:39
        9h 2m
        1 stop
        YYC21:41
        Fri, Dec 6|St. Louis - Calgary|United Airlines
        CAD 179CAD 260
        31% OFF
        31% OFF
        CAD 260CAD 179

        Choose United Airlines flights from St. Louis to Calgary. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Fri, Dec 6, arriving at Calgary International Airport. One-way Prices start from CAD 179 including taxes and charges.

      • STL22:17
        25h 38m
        1 stop
        YYC22:55
        Tue, Nov 26|St. Louis - Calgary|Frontier Airlines
        CAD 186
        CAD 186

        Choose Frontier Airlines flights from St. Louis to Calgary. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Tue, Nov 26, arriving at Calgary International Airport. One-way Prices start from CAD 186 including taxes and charges.

      • STL13:36
        23h 14m
        1 stop
        YYC11:50
        Fri, Dec 6|St. Louis - Calgary|American Airlines
        CAD 188
        CAD 188

        Choose American Airlines flights from St. Louis to Calgary. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Fri, Dec 6, arriving at Calgary International Airport. One-way Prices start from CAD 188 including taxes and charges.

      • STL06:30
        6h 9m
        1 stop
        YYC11:39
        Sat, Dec 14|St. Louis - Calgary|United Airlines
        CAD 194
        CAD 194

        Choose United Airlines flights from St. Louis to Calgary. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sat, Dec 14, arriving at Calgary International Airport. One-way Prices start from CAD 194 including taxes and charges.

      • STL06:30
        6h 9m
        1 stop
        YYC11:39
        Wed, Dec 11|St. Louis - Calgary|United Airlines
        CAD 194
        CAD 194

        Choose United Airlines flights from St. Louis to Calgary. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Wed, Dec 11, arriving at Calgary International Airport. One-way Prices start from CAD 194 including taxes and charges.

      • STL13:39
        9h 2m
        1 stop
        YYC21:41
        Mon, Dec 16|St. Louis - Calgary|United Airlines
        CAD 194
        CAD 194

        Choose United Airlines flights from St. Louis to Calgary. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Mon, Dec 16, arriving at Calgary International Airport. One-way Prices start from CAD 194 including taxes and charges.

      • STL19:40
        28h 15m
        1 stop
        YYC22:55
        Thu, Nov 21|St. Louis - Calgary|Frontier Airlines
        CAD 205
        CAD 205

        Choose Frontier Airlines flights from St. Louis to Calgary. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Thu, Nov 21, arriving at Calgary International Airport. One-way Prices start from CAD 205 including taxes and charges.

      • STL15:50
        8h 28m
        1 stop
        YYC23:18
        Sat, Dec 7|St. Louis - Calgary|Air Canada
        CAD 206
        CAD 206

        Choose Air Canada flights from St. Louis to Calgary. The one-way connecting flight with Air Canada departs from St. Louis Lambert International Airport on Sat, Dec 7, arriving at Calgary International Airport. One-way Prices start from CAD 206 including taxes and charges.

      • STL13:00
        3h 5m
        Nonstop
        YYC14:00
        Thu, Nov 21|St. Louis - Calgary|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.

When is the cheapest time to fly from St. Louis to Calgary?

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.

Find Cheapest Airlines Flying from St. Louis to Calgary

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

Frontier Airlines
From CAD 125
United Airlines
From CAD 179
American Airlines
From CAD 188
Air Canada
From CAD 206
Delta Air Lines
From CAD 207
WestJet
From CAD 218
Alaska Airlines
From CAD 256
Southwest Airlines
From CAD 430

Find more flights and airlines

Alternative Routes for St. Louis to Calgary Flights

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

  • Cheapest
    Frontier Airlines
    STL
    20:34
    27h 21m
    1 transfer
    YYC
    22:55
    St. Louis Lambert International Airport - Calgary International Airport
    Sun, Dec 15Frontier Airlines
    CAD 125
  • Frontier Airlines
    STL
    20:34
    27h 21m
    1 transfer
    YYC
    22:55
    St. Louis Lambert International Airport - Calgary International Airport
    Sun, Dec 15Frontier Airlines
    CAD 125
    Find More Flights

FAQ

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

    Airlines adjust prices for flights from St. Louis to Calgary based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from St. Louis (STL) to Calgary (YYC) cost?

    According to Trip.com's data, the lowest price is around CAD 499.

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

    • The distance from Calgary International Airport to downtown is about 9km, by taxi about 20 minutes.

  • How many airports in Calgary (YYC)?

    There are 1 airport(s) in Calgary (YYC): Calgary International Airport.

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

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 Calgary. 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 for St. Louis to Calgary Flights

Cheapest direct flight priceCAD 124
Off-season travel monthOctober
Peak season for travelJanuary
Flight distance2,319.3km
Popular airlineAmerican Airlines

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