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ALN to MSO: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Missoula (Missoula International Airport)
1,330 mi
2,141 km · 1,156 nm
3h 22m
estimated nonstop flight time
—
time difference · heading northwest
See live ALN→MSO fares Phone-only fares on this route — call free
Flight time details
1,330 miles nonstop takes roughly 3h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ALN — St Louis Regional Airport · Alton/St Louis, United States
- MSO — Missoula International Airport · Missoula, 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Near MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 mi away
Frequently asked questions
How far is ALN from MSO?
The flight distance from Alton/St Louis (ALN) to Missoula (MSO) is 1,330 miles (2,141 km, 1,156 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to MSO?
A nonstop flight takes about 3h 22m 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 cheapest way to fly from ALN to MSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–MSO that never appear on search engines, with no booking fees.