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GTF to STL: distance & flight time
Great Falls (Great Falls International Airport) → St. Louis (St Louis Lambert International Airport)
1,213 mi
1,953 km · 1,054 nm
3h 6m
estimated nonstop flight time
+1h
time difference · heading east
See live GTF→STL fares Phone-only fares on this route — call free
Flight time details
1,213 miles nonstop takes roughly 3h 6m gate to gate, flying east. 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
- GTF — Great Falls International Airport · Great Falls, United States
- 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from STL?
The flight distance from Great Falls (GTF) to St. Louis (STL) is 1,213 miles (1,953 km, 1,054 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to STL?
A nonstop flight takes about 3h 6m 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 Great Falls and St. Louis?
St. Louis is 1 hour ahead of Great Falls.
What is the cheapest way to fly from GTF to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–STL that never appear on search engines, with no booking fees.