Cheap flights from St. Louis to Charleston from $83
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Charleston departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from St. Louis to Charleston
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United Airlines flights from St. Louis to Charleston
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How to get the cheapest flight ticket from St. Louis to Charleston
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Charleston?
The cheapest month to fly to Charleston from St. Louis is in September. Flight prices, which tend to average around $302, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Charleston, with average flight prices from St. Louis averaging around $305.
What is the cheapest day to depart on your flight to Charleston?
The cheapest day to depart from St. Louis to Charleston is on a Tuesday. Travelers who choose to depart for Charleston on a Tuesday will often find tickets for as low as $354. The most expensive day to fly to Charleston is Thursday, with ticket prices averaging around $544.
What is the cheapest time of day to depart on your flight to Charleston?
The cheapest time of day to fly to Charleston is in the evening when flights can be purchased for as low as $387. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $429 per ticket.
What is the cheapest Lambert-St Louis to Charleston flight route?
Fly from Lambert-St Louis to Charleston for the best Lambert-St Louis - Charleston flight prices
How far in advance should I book a flight to Charleston?
You are more likely to see cheaper flights to Charleston from St. Louis when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $379 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from St. Louis for as low as $312 on momondo.
What cabin class options are available on Lambert-St Louis to Charleston flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to Charleston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on St. Louis to Charleston flights?
You could potentially save up to 3% on your flight if you consider stops on a St. Louis to Charleston flight.
How have St. Louis to Charleston flight prices changed over time?
As of June 2025, prices for St. Louis to Charleston flights are approximately 11% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Lambert-St Louis to Charleston?
Spirit Airlines, American Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to Charleston
What airlines fly to Charleston?
American Airlines, Delta and Southwest are the top three most popular airlines that fly to Charleston from St. Louis according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 5 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Charleston on average per week?
5 flights are operational weekly from St. Louis to Charleston as of June 2025. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.
When to book flights from St. Louis to Charleston
Cheap St. Louis to Charleston (STL to CHS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Charleston
How far is Lambert-St Louis to Charleston by plane?
There are 702.5 mi between Lambert-St Louis and Charleston. A reasonable flight in good conditions will take 1h 50m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Charleston Airport?
Prices for flights from Lambert-St Louis Airport to Charleston Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Charleston Airport?
As of June 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Charleston Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Charleston Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Charleston Airport.
What documentation or ID do you need to fly to Charleston Airport?
The travel and health documents required for your trip to Charleston Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Charleston Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from St. Louis to Charleston?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Charleston is Boeing 737-800 Passenger/BBJ2 (winglets), representing 56.25% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 25.00%, Boeing 737 MAX 8 at 16.67%, and Airbus A220-300 at 2.08%.
What is the most popular airline from St. Louis to Charleston?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Charleston is American Airlines (48% of total bookings). The next most popular airlines are Southwest (27%) and Delta (25%).
Best airlines flying from St. Louis to Charleston
Compare and see reviews for airlines that fly from St. Louis to Charleston with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $188 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $208 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $305 | Free Cancellation | Rating 8.0 4,287 reviews |
Southwest Flights From St. Louis to Charleston
Southwest is one of the most popular airlines flying from St. Louis to Charleston, operating 5 flights/week on average for this route. A good Southwest flight deal for St. Louis to Charleston starts from $305 round-trip, up to an average price of $410. Our users have rated Southwest at 8.0/10.
Traveling to a place near Charleston?
Book flights to Charleston if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Charleston?
It is quick and easy to find St. Louis to Charleston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Charleston that suits you.
Can I find flights from St. Louis to Charleston with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Charleston flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Charleston?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Charleston from St. Louis.
I’m not ready to book a flight from St. Louis to Charleston right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Charleston from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.