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STL to AAP: distance & flight time
St. Louis (St Louis Lambert International Airport) → Houston (Andrau Airpark)
691 mi
1,112 km · 600 nm
1h 58m
estimated nonstop flight time
Same time
time difference · heading southwest
See live STL→AAP fares Phone-only fares on this route — call free
Flight time details
691 miles nonstop takes roughly 1h 58m 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
- STL — St Louis Lambert International Airport · 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 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 STL from AAP?
The flight distance from St. Louis (STL) to Houston (AAP) is 691 miles (1,112 km, 600 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to AAP?
A nonstop flight takes about 1h 58m 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 STL to AAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–AAP that never appear on search engines, with no booking fees.