$98 Find Cheap Flights from Charleston to St. Louis - Compare and Save

Among airlines operating Charleston to St. Louis flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Southwest operates flights between Charleston and St. Louis.

Flights from Charleston to St. Louis usually depart from Charleston (CHS) and arrive at Lambert-St Louis (STL).

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Charleston to St. Louis:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $371 round-trip via Chicago O'Hare Intl (ORD), compared to $412 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet 900 variants.

One-stop flights from Charleston to St. Louis most commonly connect through:

• Charlotte Douglas (CLT) - 50% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 36% of one-stop connections
• Nashville Intl (BNA) - 9% of one-stop connections
• Chicago O'Hare Intl (ORD) - 4% of one-stop connections

Charlotte Douglas (CLT) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 51% on the Charleston to St. Louis route. Wednesday is the cheapest departure day at $290 round-trip on average, while Sunday is the most expensive at $590, a difference of $300. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

These are the earliest and latest flight times available from Charleston to St. Louis:

• Earliest: departs at 6:45 am and lands at 8:50 am
• Latest: departs at 5:20 pm and lands at 7:25 pm.

The flight takes about 2h 05m.

A nonstop flight from Charleston to St. Louis takes 2h 05m, covering 705 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Charleston to St. Louis are currently lower than usual. Average one-way flight prices are about $131, which is 38% below the typical average for this route.

Flying via Nashville Intl (BNA) gives the shortest average 1-stop total travel time at 4h 18m, compared with 4h 19m via Atlanta Hartsfield-Jackson (ATL) and 4h 23m via Charlotte Douglas (CLT).

St. Louis is 1 hour behind Charleston (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

Round-trip flights from Charleston to St. Louis range from $325 to $456, with an average of $377 over the past 12 months. Anything below $325 counts as a good deal.