Need help booking?
Unpublished phone-only deals available
ALN to OBS: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Aubenas-vals-lanas (Aubenas-Ardèche Méridional Airport)
4,599 mi
7,402 km · 3,997 nm
9h 29m
estimated nonstop flight time
—
time difference · heading northeast
See live ALN→OBS fares Phone-only fares on this route — call free
Flight time details
4,599 miles nonstop takes roughly 9h 29m gate to gate, flying northeast. 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
- OBS — Aubenas-Ardèche Méridional Airport · Aubenas-vals-lanas, France
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 OBS
- XOG · Orange-Caritat (BA 115) Air Base37 mi away
- VAF · Valence-Chabeuil Airport39 mi away
- MEN · Mende-Brenoux Airfield41 mi away
- LPY · Le Puy-Loudes Airport48 mi away
Frequently asked questions
How far is ALN from OBS?
The flight distance from Alton/St Louis (ALN) to Aubenas-vals-lanas (OBS) is 4,599 miles (7,402 km, 3,997 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to OBS?
A nonstop flight takes about 9h 29m 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 OBS?
Nonstop service on ALN–OBS 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 9h 29m nonstop estimate.
What is the cheapest way to fly from ALN to OBS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–OBS that never appear on search engines, with no booking fees.
Why are some ALN to OBS fares phone-only?
Consolidator contracts let us sell certain ALN–OBS 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.