Need help booking?
Unpublished phone-only deals available
ALN to AUO: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Auburn (Auburn University Regional Airport)
505 mi
812 km · 439 nm
1h 34m
estimated nonstop flight time
—
time difference · heading southeast
See live ALN→AUO fares Phone-only fares on this route — call free
Flight time details
505 miles nonstop takes roughly 1h 34m 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
- AUO — Auburn University Regional Airport · Auburn, 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 AUO
- CSG · Columbus Metropolitan Airport30 mi away
- LSF · Lawson Army Air Field (Fort Benning)32 mi away
- LGC · LaGrange Callaway Airport34 mi away
- PIM · Harris County Airport36 mi away
Frequently asked questions
How far is ALN from AUO?
The flight distance from Alton/St Louis (ALN) to Auburn (AUO) is 505 miles (812 km, 439 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to AUO?
A nonstop flight takes about 1h 34m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ALN to AUO?
Nonstop service on ALN–AUO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 34m nonstop estimate.
What is the cheapest way to fly from ALN to AUO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–AUO that never appear on search engines, with no booking fees.
Why are some ALN to AUO fares phone-only?
Consolidator contracts let us sell certain ALN–AUO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.