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BTM to STL: distance & flight time
Butte (Bert Mooney Airport) → St. Louis (St Louis Lambert International Airport)
1,229 mi
1,978 km · 1,068 nm
3h 8m
estimated nonstop flight time
+1h
time difference · heading east
See live BTM→STL fares Phone-only fares on this route — call free
Flight time details
1,229 miles nonstop takes roughly 3h 8m 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
- BTM — Bert Mooney Airport · Butte, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 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 BTM from STL?
The flight distance from Butte (BTM) to St. Louis (STL) is 1,229 miles (1,978 km, 1,068 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to STL?
A nonstop flight takes about 3h 8m 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 Butte and St. Louis?
St. Louis is 1 hour ahead of Butte.
What is the cheapest way to fly from BTM to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–STL that never appear on search engines, with no booking fees.