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ALN to GSP: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Greenville (Greenville Spartanburg International Airport)
513 mi
825 km · 446 nm
1h 35m
estimated nonstop flight time
—
time difference · heading southeast
See live ALN→GSP fares Phone-only fares on this route — call free
Flight time details
513 miles nonstop takes roughly 1h 35m gate to gate, flying southeast. 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
- GSP — Greenville Spartanburg International Airport · Greenville, 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 GSP
- GMU · Greenville Downtown Airport8 mi away
- GDC · Donaldson Field Airport13 mi away
- SPA · Spartanburg Downtown Memorial Airport15 mi away
- CLT · Charlotte Douglas International Airport75 mi away
Frequently asked questions
How far is ALN from GSP?
The flight distance from Alton/St Louis (ALN) to Greenville (GSP) is 513 miles (825 km, 446 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to GSP?
A nonstop flight takes about 1h 35m 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 GSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–GSP that never appear on search engines, with no booking fees.