United States · 706 miles (1,137 km)

Charleston (CHS) to Saint Louis (STL) flights

One airline flies nonstop from Charleston (CHS) to Saint Louis (STL): Southwest Airlines. The two airports are 706 miles (1,137 km) apart. There are also 28 ways to fly it with one stop, through Nashville, Atlanta and Charlotte and more.

Airlines flying nonstop from CHS to STL

CHS to STL with one stop

28 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Columbus (CMH)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Pittsburgh (PIT)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Norfolk (ORF)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Orlando (MCO)Breeze Airways, then Frontier Airlines and Southwest Airlines
    Breeze Airways logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Baltimore (BWI)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Tampa (TPA)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
  • Via New Orleans (MSY)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
See all 28 in Routes

CHS to STL: common questions

Which airlines fly nonstop from CHS to STL?

Southwest Airlines flies nonstop from Charleston (CHS) to Saint Louis (STL).

How far is Charleston from Saint Louis by plane?

Charleston (CHS) and Saint Louis (STL) are 706 miles (1,137 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

How many miles does CHS to STL cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for CHS to STL with taxes and fees.

Where can I connect between Charleston and Saint Louis?

The most direct connections are through Nashville (BNA), Atlanta (ATL), Charlotte (CLT), Columbus (CMH) and Chicago (MDW). On 19 of them the same airline flies both flights, for example Southwest Airlines through Nashville.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.