Direct (nonstop) flights from Saint Louis to Indianapolis
1 airline flys nonstop from Saint Louis Airport (STL) to Indianapolis International Airport (IND). It's 229 miles (368 km), about 55m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 23, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Saint Louis to Indianapolis with one stop · direct emits 42 kg CO₂ per passenger
Looking for the return flight?
IND → STL: Flights from Indianapolis to Saint LouisOther direct flights from Saint Louis
Direct flights from Indianapolis (IND)
Frequently Asked Questions
How long is the direct flight from Saint Louis to Indianapolis?
A nonstop flight from Saint Louis (STL) to Indianapolis (IND) takes approximately 0 hours and 55 minutes. The distance is 229 miles (368 km).
Which airlines fly nonstop from Saint Louis to Indianapolis?
Just Southwest Airlines.
Is there a nonstop flight from Saint Louis to Indianapolis?
Yes. 1 airline: Southwest Airlines.
How far is Saint Louis from Indianapolis?
The flight distance from Saint Louis to Indianapolis is 229 miles (368 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Saint Louis to Indianapolis?
At 55m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Saint Louis to Indianapolis?
Roughly 42 kg CO2 per passenger one-way. That's about the same as driving 210 km.
Is the return flight from Indianapolis to Saint Louis also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Saint Louis to Indianapolis?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Saint Louis Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.