Need help booking?
Unpublished phone-only deals available
IMT to ALN: distance & flight time
Iron Mountain (Ford Airport) → Alton/St Louis (St Louis Regional Airport)
489 mi
786 km · 425 nm
1h 32m
estimated nonstop flight time
—
time difference · heading south
See live IMT→ALN fares Phone-only fares on this route — call free
Flight time details
489 miles nonstop takes roughly 1h 32m gate to gate, flying south. 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
- IMT — Ford Airport · Iron Mountain, United States
- ALN — St Louis Regional Airport · Alton/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 IMT
- ESC · Delta County Airport50 mi away
- MQT · Sawyer International Airport51 mi away
- MNM · Menominee Regional Airport53 mi away
- EGV · Eagle River Union Airport56 mi away
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
Frequently asked questions
How far is IMT from ALN?
The flight distance from Iron Mountain (IMT) to Alton/St Louis (ALN) is 489 miles (786 km, 425 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IMT to ALN?
A nonstop flight takes about 1h 32m 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 IMT to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IMT–ALN that never appear on search engines, with no booking fees.