Charleston to St Louis Flights (CHS-STL)

The Charleston to St Louis route connects Charleston International Airport (CHS) in US with St. Louis Lambert International Airport (STL) in US. This short-haul flight covers approximately 706 miles (1136 km). This route is operated by Southwest.

Search tickets for this route

Compare flight prices across hundreds of booking sites

Search CHS → STL flights

Opens a live price search — just pick your dates

Airport Information

Departure Airport

Charleston International Airport

ICAO Code:: KCHS
IATA Code:: CHS
City:: 🇺🇸 Charleston
Country:: US
Elevation:: 46 ft

Destination Airport

St. Louis Lambert International Airport

ICAO Code:: KSTL
IATA Code:: STL
City:: 🇺🇸 St Louis
Country:: US
Elevation:: 618 ft

Route Statistics

Operator

Route Tracked

706

Miles

Flight Duration

Route Map

Operating Airlines

Airline	ICAO	IATA
Southwest	`SWA`	`WN`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	1	50%
Tuesday	0	0%
Wednesday	0	0%
Thursday	1	50%
Friday	0	0%
Saturday	0	0%
Sunday	0	0%

Pattern Analysis

Data Points: 2
API observations used to build this analysis

Weekdays: 2 flights
Weekend: 0 flights

All Flight Routes

1 Route

Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.

Airline	Flight Numbers	Aircraft Type	Typical Time	Days Active	Last Seen	Status
Southwest `SWA` / `WN`	-	B737	-	M T W T F S S	Sep 22, 2025	Active

Total Routes: 1

Active Routes: 1

Unique Airlines: 1

Aircraft Types: 1

Spotted Departure Times

No departure times available

Departure times will be populated as flight data is collected for this route.

Charleston to St Louis Flights

Get Notified About Route Changes