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Local time zone: America/Chicago
St Louis Lambert International Airport (STL) had nonstop service to 60 destinations on 12 airlines in our August 17, 2026 departure snapshot. The busiest route was to Chicago (ORD), served by 3 carriers, and the largest operator here was Southwest Airlines with nonstops to 44 destinations. 6 of those routes were international.
Route data as of August 17, 2026, based on a 7-day departures sample. Routes may have changed since this snapshot.
This schedule snapshot includes nonstop flights from STL to 60 destinations, including 6 international routes. The snapshot shows about 196 flights per day across those routes. The busiest options start with Chicago (ORD), Denver (DEN), Atlanta (ATL).
6 international routes in this schedule set
United States 54 · Canada 2 · Germany 1
15-16/day on 3 airlines
Boeing 737 · Airbus A320 family · Embraer E-Jet
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
St Louis to Boston · US
Philadelphia · 812 mi
Chicago · 258 mi · 15-16/day
Denver · 768 mi · 11/day
Atlanta · 484 mi · 10-11/day
New York · 886 mi · 9-10/day
Minneapolis · 448 mi · 7-8/day
Dallas · 550 mi · 6-7/day
Ranked by destinations served, then daily frequency.
+2 more STL routes on United Airlines — use the full route directory for every destination.
+1 more STL routes on Delta Air Lines — use the full route directory for every destination.
Grouped by departure terminal in our schedule data, with each carrier's share of that terminal's captured departures.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
St Louis Lambert International Airport (STL / KSTL) is located in St Louis, United States.
The IATA code is STL. The ICAO code is KSTL.
The busiest scheduled route from STL in our August 17, 2026 departure data was STL to ORD (Chicago), with 15-16/day across 3 airlines.
Southwest Airlines was the largest operator in our STL schedule data, serving 44 destinations with 104/day.
This schedule snapshot includes 6 international routes and 54 domestic routes from STL.
12 airlines operated at STL in our August 17, 2026 snapshot. Top carriers include Southwest Airlines, American Airlines, Frontier Airlines, United Airlines, Delta Air Lines.
This schedule snapshot includes direct flights from STL to 60 destinations including Chicago, Denver, Atlanta, New York, Minneapolis.
View live arrivals and departures at STL on FlightRadar24.
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