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ALN to DET: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Detroit (Coleman A. Young Municipal Airport)
442 mi
711 km · 384 nm
1h 26m
estimated nonstop flight time
—
time difference · heading northeast
See live ALN→DET fares Phone-only fares on this route — call free
Flight time details
442 miles nonstop takes roughly 1h 26m gate to gate, flying northeast. 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
- DET — Coleman A. Young Municipal Airport · Detroit, 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 DET
- DTW · Detroit Metropolitan Wayne County Airport22 mi away
- YQG · Windsor Airport10 mi away
- MTC · Selfridge Air National Guard Base Airport17 mi away
- PTK · Oakland County International Airport27 mi away
Frequently asked questions
How far is ALN from DET?
The flight distance from Alton/St Louis (ALN) to Detroit (DET) is 442 miles (711 km, 384 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to DET?
A nonstop flight takes about 1h 26m 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 DET?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–DET that never appear on search engines, with no booking fees.