179 € Cheap Flights from St Louis to Charleston

Compare St Louis to Charleston flight deals

Find the cheapest month or even day of the year to fly to Charleston

Book the best Charleston fare with no extra fees

Flight deals from St Louis to Charleston

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Charleston Airport? If you want to travel next month, return fares start from 194 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Charleston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Charleston flights are currently cheapest in September.

Direct flights from St Louis to Charleston

St Louis to Charleston: Alternative routes

Compare routes from St Louis to Charleston below. You may find an airport to fly into that's cheaper, faster, or easier than Charleston.

St Louis to Charleston: Flight information

The things to know before you go.
Cheapest flight found179 €
Cheapest month to flyJuly
Average flight time1 hr, 58 mins
Most popular airlineSouthwest Airlines
Average flights per week6

Finding cheap flights from St Louis to Charleston: Frequently asked questions

The best price we found for a return flight from St Louis to Charleston is 179 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 58 minutes is the average flight time from St Louis to Charleston.
Southwest Airlines flies direct from St Louis to Charleston.
As of July 2026, there are 6 flights per week flying from St Louis to Charleston.
The cheapest month to fly from St Louis to Charleston is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Charleston Airport on Wednesday, 29 July 2026.
Yes – the average flight time is 1 hour and 58 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Charleston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Charleston is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Southwest Airlines offers the cheapest flight tickets to Charleston.

Travelling from St Louis Airport (STL) to Charleston Airport (CHS): what you need to know

  • The average duration of a direct flight from St Louis Airport to Charleston Airport is 2 hours.

  • Charleston is one hour ahead of St Louis and follows the UTC-5 timezone.

  • Flights from STL to CHS start at 07:50 — the first with Southwest Airlines. The latest departure is at 16:00 with Southwest Airlines. Overall, you can choose from three weekly St Louis Airport to Charleston Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport on time to catch your STL to CHS flight.

  • You'll likely experience longer lines in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • Southwest Airlines is your gateway to exploring Charleston (and perhaps some other great parts of the United States!). Check out the direct flights from St Louis Airport to Charleston Airport offered by this popular carrier.

  • Most travellers choose to fly with Southwest Airlines on this route.

  • The carrier with the most consistent on-time arrivals for STL to CHS flights is Southwest Airlines.

  • If you want to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from St Louis Airport to Charleston Airport. These are the most popular stopovers between STL and CHS:

    • Atlanta Hartsfield-Jackson Airport

    • Charlotte Douglas Airport

    • Detroit Wayne County Airport

How to find the cheapest flights from St Louis Airport (STL) to Charleston Airport (CHS)

  • 87 € is the lowest price for a one-way St Louis Airport to Charleston Airport flight. Return flights start at 179 €. These prices may change depending on availability and demand.

  • To pick up cheap tickets from STL to CHS, book as early as you can. Airlines tend to offer their best fares when flights are first released.

  • The cheapest month for flights from St Louis Airport to Charleston Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • Never miss a deal on cheap flights from STL to CHS by setting up a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from St Louis Airport to Charleston Airport.

Handy information about St Louis Airport (STL)

Arriving at Charleston Airport (CHS)

When to fly to Charleston Airport (CHS)

  • The quietest month for a flight from St Louis Airport to Charleston Airport is March, while July is the most popular. Pick the best time to visit Charleston based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from St Louis Airport to Charleston Airport for July if you'd like to explore Charleston during its warmest month. Expect temperatures of between 24ºC (75ºF) and 32ºC (90ºF).

  • January has average temperatures of between 4ºC (39ºF) and 17ºC (63ºF). Search for cheap tickets from STL to CHS around that time if you want to travel in cooler conditions.

Explore more of the United States

  • You've done Charleston, now it's time to explore other corners of the United States. Travel about 322 kilometres south-west to Jacksonville to check off its must-visit sights. From St. John's Cathedral to Museum of Contemporary Art Jacksonville and The Cummer Museum of Art & Gardens, you'll have a full itinerary ahead.

  • If you want to check out another great destination in the United States, consider Charlotte, about 290 kilometres north of Charleston. Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.