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ALN to AOU: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Attopeu (Attopeu Airport)
8,569 mi
13,791 km · 7,447 nm
17h 16m
estimated nonstop flight time
—
time difference · heading north
See live ALN→AOU fares Phone-only fares on this route — call free
Flight time details
8,569 miles nonstop takes roughly 17h 16m gate to gate, flying north. 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
- AOU — Attopeu Airport · Attopeu, Laos
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 AOU
- VNA · Saravane Airport68 mi away
- PKZ · Pakse International Airport73 mi away
- RBE · Ratanakiri Airport76 mi away
- PXU · Pleiku Airport98 mi away
Frequently asked questions
How far is ALN from AOU?
The flight distance from Alton/St Louis (ALN) to Attopeu (AOU) is 8,569 miles (13,791 km, 7,447 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to AOU?
A nonstop flight takes about 17h 16m 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 AOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–AOU that never appear on search engines, with no booking fees.