Direct (nonstop) flights from Indianapolis to Saint Louis
1 airline flys nonstop from Indianapolis International Airport (IND) to Saint Louis Airport (STL). It's 229 miles (368 km), about 1h in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Indianapolis to Saint Louis with one stop · direct emits 42 kg CO₂ per passenger
Looking for the return flight?
STL → IND: Flights from Saint Louis to IndianapolisOther direct flights from Indianapolis
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from Indianapolis to Saint Louis?
A nonstop flight from Indianapolis (IND) to Saint Louis (STL) takes approximately 1 hours. The distance is 229 miles (368 km).
Which airlines fly nonstop from Indianapolis to Saint Louis?
Just Southwest Airlines.
Is there a nonstop flight from Indianapolis to Saint Louis?
Yes. 1 airline: Southwest Airlines.
How far is Indianapolis from Saint Louis?
The flight distance from Indianapolis to Saint Louis 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 Indianapolis to Saint Louis?
At 1h, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Indianapolis to Saint Louis?
Roughly 42 kg CO2 per passenger one-way. That's about the same as driving 210 km.
Is the return flight from Saint Louis to Indianapolis 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 Indianapolis to Saint Louis?
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 Indianapolis International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.