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Cheap flights from St. Louis to Calgary from C$ 216

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
4 Feb — 11 Feb1
1 adult

The best prices from Lambert-St Louis to Calgary are usually found in January or February, booked 62 days in advance, depart on a Thursday or Wednesday and return on a Sunday

Cheap flight deals from St. Louis to Calgary

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Calgary (YYC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 January 2025.

Round-trip from

C$ 558

One-way from

C$ 216

Popular in

July

Cheapest in

January

Average price

C$ 521
Delta
  • Delta
  • 14/2-20/2
  • 2 total stops
  • 19h 20m total
  • St. Louis to Calgary
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30/6
  • 30/6
  • 2 total stops
  • 9h 04m total
  • St. Louis to Calgary
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
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Find flight deals from St. Louis to Calgary

Cheapest flights from St. Louis to Calgary
Explore the most affordable flight options available from St. Louis to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 January 2025.

Fri 14/22:13 p.m.STL - YYC
1 stop10h 02mDelta
Thu 20/26:35 a.m.YYC - STL
1 stop9h 18mDelta
Deal found 30/1C$ 558
Sun 8/612:15 p.m.STL - YYC
2 stops33h 04mMultiple Airlines
Fri 13/612:15 p.m.YYC - STL
2 stops22h 30mMultiple Airlines
Deal found 30/1C$ 571
Sun 30/35:37 p.m.STL - YYC
1 stop19h 12mAmerican Airlines
Wed 2/41:22 p.m.YYC - STL
1 stop21h 02mAmerican Airlines
Deal found 30/1C$ 593
Thu 13/311:19 a.m.STL - YYC
2 stops8h 46mWestJet
Mon 24/312:30 a.m.YYC - STL
1 stop10h 30mWestJet
Deal found 30/1C$ 616
Mon 17/33:50 p.m.STL - YYC
1 stop8h 27mAir Canada
Fri 21/36:15 a.m.YYC - STL
1 stop7h 51mAir Canada
Deal found 30/1C$ 861
Sat 16/82:55 p.m.STL - YYC
1 stop10h 02mAlaska Airlines
Thu 28/86:55 p.m.YYC - STL
1 stop17h 57mAlaska Airlines
Deal found 30/1C$ 903

Find flights from St. Louis to Calgary within your budget

Customize your flight search to find flights from St. Louis to Calgary that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 14/2

2:13 p.m.-11:15 p.m.

1 stop10h 02m

Calgary

Thu 20/2

6:35 a.m.-4:53 p.m.

1 stop9h 18m

C$ 558

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 8/6

12:15 p.m.-8:19 p.m.

2 stops33h 04m

Calgary

Fri 13/6

12:15 p.m.-11:45 a.m.

2 stops22h 30m

C$ 571

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 30/3

5:37 p.m.-11:49 a.m.

1 stop19h 12m

Calgary

Wed 2/4

1:22 p.m.-11:24 a.m.

1 stop21h 02m

C$ 593

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 13/3

11:19 a.m.-7:05 p.m.

2 stops8h 46m

Calgary

Mon 24/3

12:30 a.m.-12:00 p.m.

1 stop10h 30m

C$ 616

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 17/3

3:50 p.m.-11:17 p.m.

1 stop8h 27m

Calgary

Fri 21/3

6:15 a.m.-3:06 p.m.

1 stop7h 51m

C$ 861

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 13/2

3:21 p.m.-6:09 p.m.

1 stop27h 48m

Calgary

Tue 18/2

6:59 p.m.-11:59 p.m.

1 stop28h 00m

C$ 1,027

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 30/6

12:15 p.m.-8:19 p.m.

2 stops9h 04m

C$ 216

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 27/4

6:00 a.m.-6:40 p.m.

2 stops13h 40m

C$ 283

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 30/6

12:10 p.m.-8:45 p.m.

1 stop9h 35m

C$ 444

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 28/6

1:30 p.m.-11:03 p.m.

1 stop10h 33m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/1

Best time to book a flight from St. Louis to Calgary

Have a flexible travel schedule? Discover the best time to fly to Calgary from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Calgary

Get recent, data-driven insights about flights from St. Louis to Calgary including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Calgary?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Calgary. Price data was last updated on 24 January 2025.

The price you pay for your flight from St. Louis to Calgary may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Calgary?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Calgary (average of C$ 139). Flying from St. Louis to Calgary in July is currently the most expensive (average of C$ 263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Calgary by month

Plan your trip to Calgary by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Calgary ranges from 9.0 - 94.0 mm per month. June is typically the wettest month, when rainfall can reach 94.0 mm. January is typically the driest time to visit Calgary when rainfall is around 9.0 mm.

Temperature in Calgary by month

Plan your trip to Calgary by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Calgary, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -7.0 C).

Reviews of airlines servicing Calgary

Get insights into the airlines that provide service to Calgary. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Calgary. Reviews last updated 30 January 2025.
Alaska Airlines
8.0
Very good
9,686 reviews
Check prices

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,686 reviews
Alaska Airlines
8.0
Very good
9,686 reviews
Check prices

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,450 reviews
Alaska Airlines
8.0
Very good
9,686 reviews
Check prices

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,686 reviews
Check prices

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet
7.2
Good
2,817 reviews
Alaska Airlines
8.0
Very good
9,686 reviews
Check prices

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Air Canada
7.0
Good
8,641 reviews
Alaska Airlines
8.0
Very good
9,686 reviews
Check prices

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Calgary. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Calgary round-trip?

    Flying on Delta is currently your cheapest option to Calgary, with prices starting at C$ 558. Additional round-trip tickets that might be worth considering are offered by American Airlines and WestJet, with the lowest prices starting at C$ 593 and C$ 616, respectively. These flights start at 29% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Calgary one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 283. Users have also found prices from C$ 444 and C$ 485 on Delta and Air Canada, respectively.

  • Can I find deals for flights from St. Louis to Calgary that include hotel bookings?

    Yes. In addition to deals on St. Louis to Calgary flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Calgary?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Calgary.

  • Can I find deals for business class flights from St. Louis to Calgary?

    Yes. Cheapflights offers flight deals from St. Louis to Calgary by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Calgary?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Calgary (average of C$ 139). Flying from St. Louis to Calgary in July is currently the most expensive (average of C$ 263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Canmore
Airdrie
Drumheller
Kananaskis
Radium Hot Springs

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Alternative routes for St. Louis to Calgary

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Calgary flights
St. Louis to Edmonton flights

Top airline flying from St. Louis to Calgary

Discover the top airline that operate flights from St. Louis to Calgary. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 465AverageC$ 835FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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