202 € 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 202 €. Find the lowest prices on one-way and return tickets right here.

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 May.

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.

Charleston to St Louis: Flight information

The things to know before you go.
Cheapest flight found202 €
Cheapest month to flyMay
Average flight time2 hrs, 13 mins
Most popular airlineSouthwest Airlines
Average flights per week7

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 202 €. 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 13 minutes is the average flight time from Charleston to St Louis.
Southwest Airlines flies direct from Charleston to St Louis.
As of April 2026, there are 7 flights per week flying from Charleston to St Louis.
The cheapest month to fly from Charleston to St Louis is usually May.
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 Monday, 4 May 2026.
Yes – the average flight time is 2 hours and 13 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, Delta offers the cheapest flight tickets to St Louis.

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

  • The average time for a direct flight from Charleston International Airport to Lambert-St. Louis International Airport is 2 hours 5 minutes.

  • St Louis's timezone is UTC-5, making St Louis one hour behind Charleston.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport on time to board your CHS to STL flight.

  • You'll likely experience longer queues in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Flying into St Louis (and then discovering more of United States!) is easy with Southwest Airlines. This popular carrier has direct flights from Charleston International Airport to Lambert-St. Louis International Airport.

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

  • Think about adding a stopover when booking your ticket from Charleston International Airport to Lambert-St. Louis International Airport. Simply uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Here's where you can stop between CHS and STL:

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

    • Baltimore/Wash International Thurgood Marshall Airport

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

  • The lowest price we've found for a one-way Charleston International Airport to Lambert-St. Louis International Airport flight is 93 €. A round-trip ticket is currently 202 €. Depending on the availability when you book, these fares can change.

  • Get cheap tickets from CHS to STL by booking seven months ahead. According to our research, that's the sweet spot for landing a bargain.

  • The cheapest month for flights from Charleston International Airport to Lambert-St. Louis International Airport is June. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • Landing cheap flights from CHS to STL is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

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

Handy information about Charleston International Airport (CHS)

  • 81.5% of flights leaving Charleston International Airport land at their destination on time. Given its dependable on-time performance, you're unlikely to experience delays when flying out of CHS.

  • Charleston International Airport is about 21 kilometres from central Charleston. If you're ride-sharing, catching a cab or driving from the centre, it'll take 30 minutes or so to arrive, depending on the traffic.

  • The journey on public transport usually takes 3 hours 35 minutes.

  • Booked an early flight from Charleston International Airport to Lambert-St. Louis International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays close to CHS:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • The address for STL is 10701 Lambert International Blvd..

  • Lambert-St. Louis International Airport to the centre of St Louis has a drive time of about 20 minutes. It's approximately 26 kilometres away.

  • Travelling by public transport will take you around 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • It's time to pick your trip dates for your flight from Charleston International Airport to Lambert-St. Louis International Airport. July is the most popular month to visit St Louis. If you're after a quieter vibe, go in April.

  • When reserving your flight from Charleston International Airport to Lambert-St. Louis International Airport, consider the type of weather you like. July is the warmest month in St Louis, with the temperature ranging from 17ºC (63ºF) to 33ºC (91ºF).

  • January sees average temperatures of between -8ºC (18ºF) and 7ºC (45ºF). Look for cheap tickets from CHS to STL sometime around then if you like cooler conditions.

Explore more of United States

  • You've done St Louis, now it's time to explore other parts of United States. Journey about 418 kilometres north-east to Chicago to tick off its must-visit sights. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, you'll have a packed itinerary ahead.

  • Around 370 kilometres east of St Louis, Indianapolis is another favourite stop in United States. Experience this destination's highlights firsthand at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

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