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179 € Cheap Flights from Charleston to St Louis

Compare Charleston to St Louis flight deals

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Flight deals from Charleston to St Louis

Looking for a cheap last-minute deal or the best return flight from Charleston Airport to St Louis Airport? If you want to travel next month, return fares start from 209 €. Find the lowest prices on one-way and return tickets right here.
St Louis.179 € per passenger.Departing Wed, 29 Jul, returning Tue, 4 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Charleston on Wed, 29 Jul, arriving in St Louis.Inbound indirect flight with Southwest Airlines, departs from St Louis on Tue, 4 Aug, arriving in Charleston.Price includes taxes and charges.From 179 €, select.
St Louis.179 € per passenger.Departing Tue, 1 Sep, returning Sat, 5 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Charleston on Tue, 1 Sep, arriving in St Louis.Inbound indirect flight with Southwest Airlines, departs from St Louis on Sat, 5 Sep, arriving in Charleston.Price includes taxes and charges.From 179 €, select.
St Louis.195 € per passenger.Departing Mon, 31 Aug, returning Sat, 5 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Charleston on Mon, 31 Aug, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Sat, 5 Sep, arriving in Charleston.Price includes taxes and charges.From 195 €, select.
St Louis.209 € per passenger.Departing Sat, 1 Aug, returning Fri, 7 Aug.Return flight with Breeze Airways and Frontier Airlines.Outbound indirect flight with Breeze Airways, departs from Charleston on Sat, 1 Aug, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 7 Aug, arriving in Charleston.Price includes taxes and charges.From 209 €, select.
St Louis.237 € per passenger.Departing Thu, 23 Jul, returning Sat, 25 Jul.Return flight with Breeze Airways and Frontier Airlines.Outbound indirect flight with Breeze Airways, departs from Charleston on Thu, 23 Jul, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 25 Jul, arriving in Charleston.Price includes taxes and charges.From 237 €, select.
St Louis.421 € per passenger.Departing Wed, 25 Nov, returning Sun, 29 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Charleston on Wed, 25 Nov, arriving in St Louis.Inbound indirect flight with Southwest Airlines, departs from St Louis on Sun, 29 Nov, arriving in Charleston.Price includes taxes and charges.From 421 €, select.
St Louis.777 € per passenger.Departing Thu, 2 Jul, returning Sat, 4 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Charleston on Thu, 2 Jul, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Sat, 4 Jul, arriving in Charleston.Price includes taxes and charges.From 777 €, select.

Find the cheapest month to fly from Charleston to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Charleston to St Louis flights are currently cheapest in September.
Jul
from 237 €
Aug
from 209 €
Sep
from 179 €
Oct
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Nov
from 421 €
Dec
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Jan
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Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Charleston to St Louis

Charleston to St Louis: Alternative routes

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

St Louis

20km from central St Louis
ClosestCheapest
from 179 €
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Belleville

32km from central St Louis
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Charleston to St Louis: Flight information

The things to know before you go.
Cheapest flight found179 €
Cheapest month to flySeptember
Average flight time2 hrs, 7 mins
Most popular airlineSouthwest Airlines
Average flights per week3

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

The best price we found for a return flight from Charleston to St Louis 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.
2 hours and 7 minutes is the average flight time from Charleston to St Louis.
Southwest Airlines flies direct from Charleston to St Louis.
As of July 2026, there are 3 flights per week flying from Charleston to St Louis.
The cheapest month to fly from Charleston to St Louis is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charleston Airport to St Louis Airport on Tuesday, 1 September 2026.
Yes – the average flight time is 2 hours and 7 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 St Louis 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 St Louis 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 St Louis.

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

  • Around 2 hours 10 minutes is how long you'll be travelling on a direct flight from Charleston Airport to St Louis Airport.

  • St Louis's timezone is UTC-6, making St Louis one hour behind Charleston.

  • Each week, there are three Charleston Airport to St Louis Airport flights. If you prefer to jet off as early as possible, take the 10:45 Southwest Airlines flight. If you're eager to make the most of your day before you fly, the latest flight is at 19:45 with Southwest Airlines.

  • Leave enough time to catch your CHS to STL flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as July? School holidays and other popular seasons can result in longer lines and delays at airport checkpoints. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • Jetting into St Louis (and then exploring more of the United States!) is a breeze with Southwest Airlines. This popular airline has direct flights from Charleston Airport to St Louis Airport.

  • Southwest Airlines has the highest passenger demand on this route.

  • Among carriers operating CHS to STL flights, Southwest Airlines is the most consistent for on-time landings.

  • Consider adding a stopover when booking your ticket from Charleston Airport to St Louis Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here are some options between CHS and STL:

    • Atlanta Hartsfield-Jackson Airport

    • Charlotte Douglas Airport

    • Baltimore Washington International Airport

Handy information about Charleston Airport (CHS)

  • Of the flights that depart from Charleston Airport, 79% arrive as scheduled at their destination.

  • To reach Charleston Airport from central Charleston, it'll take around 25 minutes if you're planning to drive. This depends on traffic though. It's approximately 19 kilometres from the airport to the city centre.

  • Catching public transport? Expect a journey time of around 50 minutes.

  • Get your holiday off to a leisurely start by staying near CHS. Whether you're catching an early flight from Charleston Airport to St Louis Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at St Louis Airport (STL)

When to fly to St Louis Airport (STL)

  • The quietest month for a flight from Charleston Airport to St Louis Airport is March, while July is the busiest. Choose the best time to visit St Louis based on whether you prefer a more fast-paced or easygoing experience.

  • Lock in your flight from Charleston Airport to St Louis Airport for July if you'd like to go to St Louis during its warmest month. Expect temperatures of between 17ºC (63ºF) and 33ºC (91ºF).

  • January sees average temperatures of between -7ºC (19ºF) and 8ºC (46ºF). Look for cheap tickets from CHS to STL sometime around then if you want to travel in cooler conditions.

Explore more of the United States

  • St Louis has plenty to offer, but there are so many other parts of the United States you should also see. Around 418 kilometres north-east of St Louis, a trip to Chicago will fill your itinerary to the brim. Start with leading sights like Millennium Park, Art Institute of Chicago and Willis Tower.

  • Indianapolis is another standout destination in the United States and is around 370 kilometres east of St Louis. No trip is complete without dropping by Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

Plan the rest of your trip from Charleston to St Louis

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