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ALN to HOU: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Houston (William P Hobby Airport)
705 mi
1,134 km · 612 nm
2h
estimated nonstop flight time
—
time difference · heading southwest
See live ALN→HOU fares Phone-only fares on this route — call free
Flight time details
705 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
- HOU — William P Hobby Airport · 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 HOU
- IAH · George Bush Intercontinental Houston Airport24 mi away
- EFD · Ellington Airport8 mi away
- AAP · Andrau Airpark19 mi away
- SGR · Sugar Land Regional Airport23 mi away
Frequently asked questions
How far is ALN from HOU?
The flight distance from Alton/St Louis (ALN) to Houston (HOU) is 705 miles (1,134 km, 612 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to HOU?
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 HOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–HOU that never appear on search engines, with no booking fees.