Flight Time from Galveston to San Antonio
The flight from Galveston to San Antonio covers about 223 mi and takes roughly 55 min nonstop. Flight duration estimate and fare guide.
Galveston and San Antonio are about 223 mi (358 km) apart in a straight line. By road that works out to roughly 272 mi (437 km), a drive of about 4 hr 52 min. A nonstop flight covers the great-circle distance in approximately 55 min.
| Straight-line distance | 223 mi / 358 km |
| Road distance (est.) | 272 mi / 437 km |
| Driving time (est.) | 4 hr 52 min |
| Nonstop flight (est.) | 55 min |
| Driving fuel (est., 1-way) | $34 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 29.375, -96.645 |
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
Galveston to San Antonio is about 223 mi (358 km) in a straight line, and roughly 272 mi (437 km) by road.