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Flights from St Louis to Calgary

Did you mean Flights from Calgary to St Louis?

Flightmap/Flights from STL/STL to YYC

St Louis

United States

STL

Lambert St Louis International Airport

Calgary

Canada

YYC

Calgary International Airport

Route
Published service includes stops
Distance
1,428 miles
Marketing airlines
1 airline
Aircraft
2 aircraft types
Dates
Oct 19, 2026 – Feb 10, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from STL
  • Flights to YYC

St Louis to Calgary route overview

Lambert St Louis International Airport (STL) serves St Louis; Calgary International Airport (YYC) serves Calgary.

The airports are 1,428 miles apart by great-circle distance.

Roame's current schedule feed lists service with stops from STL to YYC, but no nonstop service.

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Feb 10, 2027.

Marketing airlines on the St Louis to Calgary route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Airline alliance affiliations represented: Star Alliance

Aircraft flying from STL to YYC

Frequently asked questions

Which airports serve the St Louis to Calgary route?

Lambert St Louis International Airport (STL) is the origin airport and Calgary International Airport (YYC) is the destination airport.

How far is Calgary from St Louis?

STL and YYC are approximately 1,428 miles apart by great-circle distance.

Are there direct flights from STL to YYC?

No. Roame's current schedule feed lists service with stops from STL to YYC, but no nonstop service.

Which airlines market flights from STL to YYC?

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Which aircraft fly from STL to YYC?

Aircraft listed in the current schedule include Boeing 737-800 (738) and Boeing 737-900 / Boeing 737-900ER (739).

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