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YYC to STL: distance & flight time
Calgary (Calgary International Airport) → St. Louis (St Louis Lambert International Airport)
1,428 mi
2,297 km · 1,241 nm
3h 34m
estimated nonstop flight time
+1h
time difference · heading southeast
See live YYC→STL fares Phone-only fares on this route — call free
Flight time details
1,428 miles nonstop takes roughly 3h 34m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- YYC — Calgary International Airport · Calgary, Canada
- STL — St Louis Lambert International Airport · St. Louis, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near YYC
- YBA · Banff Airport66 mi away
- YQF · Red Deer Regional Airport74 mi away
- YRM · Rocky Mountain House Airport98 mi away
- WPC · Pincher Creek Airport110 mi away
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is YYC from STL?
The flight distance from Calgary (YYC) to St. Louis (STL) is 1,428 miles (2,297 km, 1,241 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YYC to STL?
A nonstop flight takes about 3h 34m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Calgary and St. Louis?
St. Louis is 1 hour ahead of Calgary.
What is the cheapest way to fly from YYC to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YYC–STL that never appear on search engines, with no booking fees.