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ALN to DSM: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Des Moines (Des Moines International Airport)
264 mi
425 km · 230 nm
1h 10m
estimated nonstop flight time
—
time difference · heading northwest
See live ALN→DSM fares Phone-only fares on this route — call free
Flight time details
264 miles nonstop takes roughly 1h 10m 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
- DSM — Des Moines International Airport · Des Moines, 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 DSM
- OTM · Ottumwa Regional Airport70 mi away
- FOD · Fort Dodge Regional Airport75 mi away
- ALO · Waterloo Regional Airport96 mi away
- CID · The Eastern Iowa Airport104 mi away
Frequently asked questions
How far is ALN from DSM?
The flight distance from Alton/St Louis (ALN) to Des Moines (DSM) is 264 miles (425 km, 230 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to DSM?
A nonstop flight takes about 1h 10m 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 DSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–DSM that never appear on search engines, with no booking fees.