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Cheap flights from St. Louis to Calgary from C$ 506

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
29 Dec — 5 Jan1
1 adult

The best prices from Lambert-St Louis to Calgary are usually found in January or April, 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 24 December 2024.

Round-trip from

C$ 506

Popular in

July

Cheapest in

January

Average price

C$ 904
13/1-16/1
  • 13/1-16/1
  • 3 total stops
  • 25h 30m total
  • St. Louis to Calgary
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High demand for flights, 9% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in December 2024
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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 24 December 2024.

Thu 26/1211:46 a.m.STL - YYC
2 stops23h 44mWestJet
Tue 7/17:00 a.m.YYC - STL
2 stops15h 14mWestJet
Deal found 23/12C$ 876
Fri 27/129:40 a.m.STL - YYC
1 stop13h 15mAmerican Airlines
Mon 30/1212:45 p.m.YYC - STL
1 stop19h 13mAmerican Airlines
Deal found 24/12C$ 969
Thu 26/122:15 p.m.STL - YYC
1 stop10h 01mDelta
Tue 7/112:30 p.m.YYC - STL
2 stops9h 44mDelta
Deal found 23/12C$ 1,002
Fri 27/125:00 a.m.STL - YYC
1 stop7h 39mAir Canada
Sun 29/1212:50 a.m.YYC - STL
1 stop13h 16mAir Canada
Deal found 24/12C$ 1,136

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 24 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 13/1

6:46 p.m.-11:15 a.m.

2 stops17h 29m

Calgary

Thu 16/1

10:30 a.m.-7:31 p.m.

1 stop8h 01m

C$ 506

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 9/1

8:27 a.m.-9:41 p.m.

1 stop14h 14m

Calgary

Sat 11/1

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

1 stop7h 51m

C$ 518

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 13/1

5:00 p.m.-11:18 p.m.

1 stop7h 18m

Calgary

Sat 18/1

6:35 a.m.-2:54 p.m.

1 stop7h 19m

C$ 525

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 14/1

6:05 a.m.-9:10 p.m.

1 stop16h 05m

Calgary

Fri 17/1

6:35 a.m.-11:14 p.m.

1 stop15h 39m

C$ 567

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 20/5

7:30 p.m.-10:37 a.m.

1 stop16h 07m

Calgary

Sat 24/5

6:55 p.m.-1:52 p.m.

1 stop17h 57m

C$ 776

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/12

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 20 December 2024.

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, October is the cheapest month in which you can book a flight from St. Louis to Calgary (average of C$ 150). 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 24 December 2024.
Alaska Airlines
8.0
Very good
9,555 reviews
Check prices

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,555 reviews
Alaska Airlines
8.0
Very good
9,555 reviews
Check prices

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,580 reviews
Alaska Airlines
8.0
Very good
9,555 reviews
Check prices

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

WestJet
7.3
Good
2,816 reviews
Alaska Airlines
8.0
Very good
9,555 reviews
Check prices

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Air Canada
7.0
Good
8,420 reviews
Alaska Airlines
8.0
Very good
9,555 reviews
Check prices

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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 Air Canada is currently your cheapest option to Calgary, with prices starting at C$ 518. Additional round-trip tickets that might be worth considering are offered by Delta and WestJet, with the lowest prices starting at C$ 525 and C$ 567, respectively. These flights start at 34% lower than the current average price 3 months from now.

  • 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, October is the cheapest month in which you can book a flight from St. Louis to Calgary (average of C$ 150). 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

Browse thousands of different options on Cheapflights for your next trip

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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 24 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 463AverageC$ 832FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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