Charleston (CHS) to St Louis (STL)

705mi
1,135 km613 nm

Flight time

≈ 2h 13m

Bearing

308° NW

Charleston (CHS) to St Louis (STL) is 705 miles (1,135 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: CHS → STLCHSSTL

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What actually flies CHS–STL

Filed traffic data

In July 2026, Southwest Airlines was the only carrier flying nonstop CHS–STL; the Boeing 737-700 was the most common aircraft at 63% of departures; flights ran 70% full.

Departures

62

July 2026

Seats

9,368

both directions

Passengers

6,529

both directions

Load factor

69.7%

RPM ÷ ASM

Who flies CHS–STL?

Southwest Airlines was the only carrier to fly nonstop CHS–STL in July 2026 (62 departures).

What plane flies CHS–STL?

In July 2026, the Boeing 737-700 flew 63% of CHS–STL departures — more than any other aircraft type.

How has CHS–STL traffic changed?

Nonstop CHS–STL departures rose from 37 in August 2025 to 62 in July 2026.

Monthly nonstop CHS–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • August 2025

    37 departures · 4,094 passengers

    73.8%

    Load

  • September 2025

    36 departures · 4,288 passengers

    81.2%

    Load

  • October 2025

    8 departures · 1,074 passengers

    93.9%

    Load

  • November 2025

    0 departures · 0 passengers

    —

    Load

  • December 2025

    0 departures · 0 passengers

    —

    Load

  • January 2026

    0 departures · 0 passengers

    —

    Load

  • February 2026

    0 departures · 0 passengers

    —

    Load

  • March 2026

    9 departures · 814 passengers

    53.0%

    Load

  • April 2026

    50 departures · 5,566 passengers

    65.3%

    Load

  • May 2026

    60 departures · 6,564 passengers

    64.9%

    Load

  • June 2026

    61 departures · 6,904 passengers

    73.6%

    Load

  • July 2026

    62 departures · 6,529 passengers

    69.7%

    Load

By direction

Each direction is filed separately — they rarely match.

CHS → STL

63.7% full

31 departures · 3,165 passengers

STL → CHS

76.5% full

31 departures · 3,364 passengers

Nonstop CHS–STL traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).

The airports

CHS

US

Charleston International Airport

Coordinates

32.90°N, 80.04°W

Hemisphere

N · W

STL

US

St. Louis Lambert International Airport

Coordinates

38.75°N, 90.37°W

Hemisphere

N · W

Frequently asked

How far is Charleston (CHS) from St Louis (STL)?

CHS to STL is 705 miles (1,135 km / 613 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from CHS to STL?

A nonstop covers the 705-mile great-circle distance in roughly 2h 13m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies CHS–STL?

In July 2026, the Boeing 737-700 flew the largest share of departures (62.9%), followed by the Boeing 737-800 (19.4%).

What mileage do I earn flying CHS–STL?

Distance-based programs credit off the 705-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

Keep exploring

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