$95 Find Cheap Flights from St. Louis to Charleston - Compare and Save

Every passenger on a flight to Charleston from St. Louis emits about 885 kg of CO2. Southwest and Delta operate some of the most sustainable flights to Charleston from St. Louis. These airlines offer one-stop flights from STL to CHS and emit about 55% and 54% less CO2 than most of their counterparts.

The stopover options for flights from St. Louis to Charleston vary depending on your airline. If you're flying with Delta Air Lines from STL to CHS, expect a single layover at Atlanta Hartsfield Jackson International Airport (ATL). Southwest offers single-stop flights on this route with a common layover in Nashville International Airport (BNA). Passengers flying with American Airlines should expect a single stop or two stops in Charlotte Douglas (CLT), New York LaGuardia (LGA), and Washington D.C. Reagan National (DCA).

One of the most affordable options is to use the Metro Link. The Red Line runs to Terminal 1 every 15min and takes about 30min to complete the trip from downtown St. Louis, Civic Center, Union Station, Central West End, Grand, and Stadium. The Metro Link operates from 4:20 am to 1 am. You can also get to the airport using Bus Number 49. The bus operates from 4:30 am to midnight and takes approximately 1h 20min to complete the trip.

Yes. The Club Charleston Airport is in Concourse B Airside of the Terminal Building. The lounge runs daily from 5 am to 7:30 pm and offers non-alcoholic and alcoholic beverages, printers, computer workstations, television, flight status screen, and Wi-Fi. You can access the lounge by purchasing a lounge pass, paying at the door, or through lounge membership programs.

Among airlines operating St. Louis to Charleston flights:

• Southwest: offers free seat selection

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

Only Southwest operates flights between St. Louis and Charleston.

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

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

• Southwest: a cabin bag and a checked bag in Economy Class

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

Only Economy Class is available on flights from St. Louis to Charleston.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $332 round-trip via Chicago O'Hare Intl (ORD), compared to $435 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 Boeing 737 MAX 8 variants.

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

• Atlanta Hartsfield-Jackson (ATL) - 47% of one-stop connections
• Charlotte Douglas (CLT) - 38% of one-stop connections
• Nashville Intl (BNA) - 9% of one-stop connections
• Chicago O'Hare Intl (ORD) - 5% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 34% on the St. Louis to Charleston route. Tuesday is the cheapest departure day at $350 round-trip on average, while Sunday is the most expensive at $523, a difference of $173. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A nonstop flight from St. Louis to Charleston takes 1h 58m, covering 705 miles.

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

• Earliest: departs at 11:15 am and lands at 1:13 pm
• Latest: departs at 5:25 pm and lands at 7:23 pm.

The flight takes about 1h 58m.

Last-minute fares on this route - booked within 2 weeks of departure - run 18% above the route average of $391. Book 24 weeks before departure for the lowest fares.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $217 to $1,979. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from St. Louis to Charleston are currently lower than usual. Average one-way flight prices are about $108, which is 50% below the typical average for this route.

Flying via Nashville Intl (BNA) gives the shortest average 1-stop total travel time at 4h 05m, compared with 4h 09m via Charlotte Douglas (CLT) and 4h 12m via Atlanta Hartsfield-Jackson (ATL).

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

Charleston Airport (CHS) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
· Budget
· Alamo
· Economy Rent a Car
· Avis
· Thrifty

Round-trip flights from St. Louis to Charleston range from $336 to $467, with an average of $391 over the past 12 months. Anything below $336 counts as a good deal.