Cheap flights from St. Louis to Calgary from $186

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1 stop
Sat, Apr 19
St. Louis STLCalgary YYC

$186
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1 stop
Sat, Apr 19
St. Louis STLCalgary YYC

$186
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1 stop
Sat, Apr 19
St. Louis STLCalgary YYC

$186
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1 stop
Sat, Apr 19
St. Louis STLCalgary YYC

$186
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1 stop
Tue, Apr 22
St. Louis STLCalgary YYC

$195
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1 stop
Wed, Apr 23
St. Louis STLCalgary YYC

$210
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Prices updated:

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2 stops
Thu, Apr 24 – Sun, Apr 27
St. Louis STLCalgary YYC

$550
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2 stops
Thu, Apr 24 – Sun, Apr 27
St. Louis STLCalgary YYC

$550
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2 stops
Thu, Apr 24 – Sun, Apr 27
St. Louis STLCalgary YYC

$550
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1 stop
Thu, Apr 24 – Sun, Apr 27
St. Louis STLCalgary YYC

$610
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1 stop
Thu, Apr 24 – Sun, Apr 27
St. Louis STLCalgary YYC

$610
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1 stop
Thu, Apr 24 – Mon, Apr 28
St. Louis STLCalgary YYC

$618
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Prices updated:

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Key info about flying to Calgary

Depart from
St. Louis Lambert International
Arrive to
Calgary International
Average flights per week
124
Flight distance
Worth visiting
Moraine Lake, Canada - Burgess Shale, BC, Canada

Check-in for a flight from St. Louis to Calgary

NameCarrier codeIATA CodePassport needed during booking
WestJetWJAWSNo
Frontier AirlinesFFTF9No
United AirlinesUALUANo
Alaska AirlinesASAASNo
Air CanadaACAACYes

Weather in Calgary

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-3°C-11°C
February-3°C-12°C
March2°C-7°C
April8°C-1°C
May15°C4°C
June19°C8°C
July23°C11°C
August23°C10°C
September18°C6°C
October10°C0°C
November1°C-7°C
December-4°C-12°C
Hottest Month
23°C
August
Coldest month
-12°C
February
Sunny days
260
days per year
Snow days
22
days per year

14 day forecast

Saturday
29 Mar
1°C-5°C
5 Apr
10°C0°C
Sunday
30 Mar
4°C-5°C
6 Apr
19°C2°C
Monday
31 Mar
3°C-1°C
7 Apr
19°C6°C
Tuesday
1 Apr
6°C-1°C
8 Apr
17°C6°C
Wednesday
2 Apr
89%
1°C-3°C
9 Apr
76%
14°C5°C
Thursday
3 Apr
89%
1°C-3°C
10 Apr
86%
14°C5°C
Friday
4 Apr
6°C-4°C
11 Apr
18°C6°C
The most popular airlines for this route are WestJet, Frontier Airlines, United Airlines, Alaska Airlines, and Air Canada. St. Louis and Calgary have 124 direct flights per week. When you arrive at Calgary, consider visiting Moraine Lake, Canada, and Burgess Shale, BC, Canada.

Frequently asked questions

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