Cheap flights from Calgary to St. Louis, MO
Flights starting at CA$235. Choose between WestJet, Frontier Airlines, or United Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to St. Louis
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are WestJet, Frontier Airlines, United Airlines, Air Canada, and Alaska Airlines. Calgary and St. Louis have 131 direct flights per week.
Check-in for a flight from Calgary to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
WestJet | WJA | WS | No | |
Frontier Airlines | FFT | F9 | No | |
United Airlines | UAL | UA | Yes | |
Air Canada | ACA | AC | Yes | |
Alaska Airlines | ASA | AS | No |
Online check-in is not available for these airlines.
Weather in St. Louis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -3°C |
February | 6°C | -2°C |
March | 13°C | 3°C |
April | 18°C | 8°C |
May | 24°C | 14°C |
June | 29°C | 19°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 27°C | 16°C |
October | 20°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Calgary
- Flights from Calgary to Edmonton
- Flights from Calgary to Ottawa
- Flights from Calgary to Winnipeg
- Flights from Calgary to Halifax
- Flights from Calgary to Victoria
- Flights from Calgary to Saskatoon
- Flights from Calgary to Kelowna
- Flights from Calgary to Regina
- Flights from Calgary to Abbotsford
- Flights from Calgary to Kos
- Flights from Calgary to Hamilton
- Flights from Calgary to New York
- Flights from Calgary to Orlando
- Flights from Calgary to Las Vegas
- Flights from Calgary to Denver
- Flights from Calgary to Chicago
- Flights from Calgary to Miami
- Flights from Calgary to Los Angeles
- Flights from Calgary to Atlanta
- Flights from Calgary to Mexico City
Flights to St. Louis
- Flights from Toronto to St. Louis
- Flights from Montreal to St. Louis
- Flights from Vancouver to St. Louis
- Flights from Winnipeg to St. Louis
- Flights from Edmonton to St. Louis
- Flights from Ottawa to St. Louis
- Flights from Kelowna to St. Louis
- Flights from Quebec City to St. Louis
- Flights from Victoria to St. Louis
- Flights from Saskatoon to St. Louis
Popular routes
- Flights from Orlando to Lima
- Flights from Calgary to Cairo
- Flights from Madrid to London
- Flights from Montreal to Hilo
- Flights from Toronto to Funchal
- Flights from Toronto to Gorakhpur
- Flights from Calgary to Nairobi
- Flights from Vancouver to Almaty
- Flights from Vancouver to Zagreb
- Flights from Montreal to Dakar
- Flights from Montreal to Luxor
- Flights from Montreal to Nadi
- Flights from Tampa to Houston
- Flights from Orlando to Atlanta