Flight tickets 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

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 November.

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 found₹ 13,633
Cheapest month to flyNovember
Average flight time1 hr, 55 mins
Most popular airlineSouthwest Airlines
Average flights per week3

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 ₹ 27,265. 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 55 minutes is the average flight time from St Louis to Charleston.
Southwest Airlines flies direct from St Louis to Charleston.
As of September 2025, there are 3 flights per week flying from St Louis to Charleston.
The cheapest month to fly from St Louis to Charleston is usually October.
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 Monday, 27 October 2025.
Yes – the average flight time is 1 hour and 55 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.

Flying from Lambert-St. Louis International Airport (STL) to Charleston International Airport (CHS): what you need to know

  • The average time for a direct flight from Lambert-St. Louis International Airport to Charleston International Airport is 1 hour 50 minutes.

  • Charleston's timezone is UTC-4, which makes Charleston one hour ahead of St Louis.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your STL to CHS flight.

  • Flying during a peak time such as July? Public holidays and other high seasons can mean longer queues at airport checkpoints. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • Southwest Airlines is your gateway to discovering Charleston (and perhaps some other exciting parts of United States!). Browse the direct flights from Lambert-St. Louis International Airport to Charleston International Airport offered by this airline.

  • The airline with the highest number of bookings on this route is Southwest Airlines.

  • If you want to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Charleston International Airport. These are the most popular stopovers between STL and CHS:

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

    • Baltimore/Wash International Thurgood Marshall Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Charleston International Airport (CHS)

  • ₹ 13,633 is currently the best price for a one-way Lambert-St. Louis International Airport to Charleston International Airport flight. Return flights start from ₹ 27,265. These fares may change depending on availability.

  • Book six months before your departure date. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from STL to CHS.

  • May is the cheapest month for flights from Lambert-St. Louis International Airport to Charleston International Airport. If you want to fly during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Save time looking for cheap flights from STL to CHS by setting up a Price Alert. You'll receive an email or push notification on the app when a new discounted fare appears.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Lambert-St. Louis International Airport to Charleston International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Charleston International Airport (CHS)

Getting from Charleston International Airport (CHS) to central Charleston

  • Charleston International Airport to the centre of Charleston has a drive time of about 30 minutes. It's approximately 21 kilometres away.

  • Travelling to the centre on public transport typically takes 3 hours 35 minutes.

When to fly to Charleston International Airport (CHS)

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

  • Lock in your flight from Lambert-St. Louis International Airport to Charleston International Airport for July if you'd like to visit Charleston during its warmest month. You can expect temperatures of between 24ºC and 32ºC.

  • January has average temperatures of between 4ºC and 17ºC. Search for cheap tickets from STL to CHS sometime then if you'd rather travel in cooler conditions.

Explore more of United States

  • Jacksonville is just one of the many places in United States waiting to be explored after you've experienced Charleston. Around 322 kilometres away to the south-west, its top attractions include Jacksonville Zoo and Gardens, The Cummer Museum of Art & Gardens and Friendship Fountain.

  • Charlotte is another standout destination in United States and is around 290 kilometres north of Charleston. No journey is complete without experiencing NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.