Cheap flights from Charleston to St. Louis from $110
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to St. Louis departing on 5/24. 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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Southwest flights from Charleston to St. Louis
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How to get the cheapest flight ticket from Charleston to St. Louis
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 typical price of a round-trip flight between Charleston and St. Louis?
What is the cheapest month to fly to St. Louis?
In general, July is the cheapest month to fly from Charleston to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $271. The month of August is another great option to travel to St. Louis, with average flight prices from Charleston averaging around $277.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $336. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $646. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Charleston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $349 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $646 per ticket.
What is the cheapest Charleston to Lambert-St Louis flight route?
Fly from Charleston to Lambert-St Louis for the best Charleston - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Charleston when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $372 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Charleston for as low as $303 on momondo.
What cabin class options are available on Charleston to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Charleston to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Charleston to Lambert-St Louis?
Spirit Airlines, Southwest, and Delta are the most popular carriers operating from Charleston to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, Delta and Southwest are the top three most popular airlines that fly to St. Louis from Charleston according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Charleston to St. Louis on average per week?
The number of flights available between Charleston and St. Louis is 5 per week as of April 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.
When to book flights from Charleston to St. Louis
Cheap Charleston to St. Louis (CHS to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Charleston to St. Louis
How far is Charleston to Lambert-St Louis by plane?
A flight from Charleston to Lambert-St Louis will travel around 702.5 mi. A reasonable flight in good conditions will take 2h 20m.
When did momondo last update prices for flights from Charleston Airport to Lambert-St Louis Airport?
Prices for flights from Charleston Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Charleston Airport to Lambert-St Louis Airport?
As of April 2025, there are 4 operators available to choose from for flights from Charleston Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Charleston Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Charleston to St. Louis?
Based on momondo bookings for flights between Charleston and St. Louis, the leading plane model is Boeing 737-700 Passenger/BBJ1 (winglets), making up 88.24% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 5.88% and Canadair (Bombardier) Regional Jet 900 with 5.88%.
What is the most popular airline from Charleston to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Charleston to St. Louis is American Airlines, representing 46% of all bookings. The subsequent popular airlines are Delta at 39%, Southwest at 11%, and Spirit Airlines at 4%.
Best airlines flying from Charleston to St. Louis
Compare and see reviews for airlines that fly from Charleston to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $139 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $172 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $317 | Free Cancellation | Rating 8.0 4,280 reviews |
Southwest Flights From Charleston to St. Louis
Southwest flight deals from Charleston to St. Louis start from $317 round-trip. Over the 5 Southwest flights for this route in a normal week, average airfare is usually $359 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Charleston to St. Louis?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Charleston to St. Louis. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Charleston to St. Louis with flexible booking policies on momondo?
All flight searches from Charleston to St. Louis on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Charleston to St. Louis?
Once you have performed a search for Charleston to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Charleston to St. Louis right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Charleston to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.