Flight Time from Indianapolis to St. Louis
The flight from Indianapolis to St. Louis covers about 230 mi and takes roughly 55 min nonstop. Flight duration estimate and fare guide.
Indianapolis and St. Louis are about 230 mi (370 km) apart in a straight line. By road that works out to roughly 281 mi (452 km), a drive of about 5 hr 1 min. A nonstop flight covers the great-circle distance in approximately 55 min.
| Straight-line distance | 230 mi / 370 km |
| Road distance (est.) | 281 mi / 452 km |
| Driving time (est.) | 5 hr 1 min |
| Nonstop flight (est.) | 55 min |
| Driving fuel (est., 1-way) | $35 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 39.215, -88.194 |
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
Indianapolis to St. Louis is about 230 mi (370 km) in a straight line, and roughly 281 mi (452 km) by road.