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ALN to AAP: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Houston (Andrau Airpark)
708 mi
1,139 km · 615 nm
2h
estimated nonstop flight time
—
time difference · heading southwest
See live ALN→AAP fares Phone-only fares on this route — call free
Flight time details
708 miles nonstop takes roughly 2h gate to gate, flying southwest. 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
- AAP — Andrau Airpark · Houston, 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 AAP
- IAH · George Bush Intercontinental Houston Airport23 mi away
- SGR · Sugar Land Regional Airport8 mi away
- IWS · West Houston Airport8 mi away
- HOU · William P Hobby Airport19 mi away
Frequently asked questions
How far is ALN from AAP?
The flight distance from Alton/St Louis (ALN) to Houston (AAP) is 708 miles (1,139 km, 615 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to AAP?
A nonstop flight takes about 2h 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 AAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–AAP that never appear on search engines, with no booking fees.