Flight Time from Houston to Slidell
The flight from Houston to Slidell covers about 336 mi and takes roughly 1 hr 7 min nonstop. Flight duration estimate and fare guide.
Houston and Slidell are about 336 mi (540 km) apart in a straight line. By road that works out to roughly 410 mi (659 km), a drive of about 6 hr 56 min. A nonstop flight covers the great-circle distance in approximately 1 hr 7 min.
| Straight-line distance | 336 mi / 540 km |
| Road distance (est.) | 410 mi / 659 km |
| Driving time (est.) | 6 hr 56 min |
| Nonstop flight (est.) | 1 hr 7 min |
| Driving fuel (est., 1-way) | $51 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 30.049, -92.579 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Houston to Slidell is about 336 mi (540 km) in a straight line, and roughly 410 mi (659 km) by road.