Need help booking?
Unpublished phone-only deals available
ALN to PDK: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Atlanta (DeKalb Peachtree Airport)
471 mi
758 km · 409 nm
1h 29m
estimated nonstop flight time
—
time difference · heading southeast
See live ALN→PDK fares Phone-only fares on this route — call free
Flight time details
471 miles nonstop takes roughly 1h 29m 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
- PDK — DeKalb Peachtree Airport · Atlanta, 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 PDK
- ATL · Hartsfield Jackson Atlanta International Airport18 mi away
- MGE · Dobbins Air Reserve Base13 mi away
- FTY · Fulton County Airport Brown Field14 mi away
- LZU · Gwinnett County Briscoe Field21 mi away
Frequently asked questions
How far is ALN from PDK?
The flight distance from Alton/St Louis (ALN) to Atlanta (PDK) is 471 miles (758 km, 409 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to PDK?
A nonstop flight takes about 1h 29m 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 PDK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–PDK that never appear on search engines, with no booking fees.