Flight Time from Houston to Port Arthur
The flight from Houston to Port Arthur covers about 86 mi and takes roughly 39 min nonstop. Flight duration estimate and fare guide.
Houston and Port Arthur are about 86 mi (138 km) apart in a straight line. By road that works out to roughly 111 mi (179 km), a drive of about 1 hr 59 min. A nonstop flight covers the great-circle distance in approximately 39 min.
| Straight-line distance | 86 mi / 138 km |
| Road distance (est.) | 111 mi / 179 km |
| Driving time (est.) | 1 hr 59 min |
| Nonstop flight (est.) | 39 min |
| Driving fuel (est., 1-way) | $14 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 29.826, -94.653 |
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 Port Arthur is about 86 mi (138 km) in a straight line, and roughly 111 mi (179 km) by road.