A large suspension bridge with tall towers and cables, spanning a body of water with a grassy shoreline in the foreground.

Cheap Flights from St. Louis (STL) to Charleston (CHS)

Popular airlines from Lambert-St. Louis International Airport (STL) to Charleston Intl. Airport (CHS)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from St. Louis (STL) to Charleston (CHS)

September is typically the cheapest month to fly

From AU$293 - AU$608 per traveller.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) cost?
You can find one-way and return flights from STL to CHS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when STL to CHS ticket fares go up or down.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
If you're looking for the cheapest time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.), September is typically your best bet. You can expect average return flight prices around AU$458 during this month. Other budget-friendly months to consider for this route include February and October.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
Only one airline offers direct flights from Lambert-St. Louis Intl. (STL) to Charleston Intl. (CHS). Southwest Airlines operates 7 direct flights from STL to CHS every week.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
Southwest Airlines is one of the cheapest airlines offering nonstop return flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.), with prices starting from around AU$316 for flights that can be booked for departure within the next year. Spirit Airlines offers one of the cheapest connecting return flights on this route, with prices starting from around AU$388. These prices are per adult, for economy/coach class tickets. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
The best airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) will differ from traveler to traveler. If you like to fly early, Southwest Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. United offers the most daily flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
The best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) is typically September or February. These months offer a great balance—prices are reasonable at around AU$458 for a return flight, and you'll have plenty of flight options since they're popular times to travel. September brings pleasant early autumn weather to Charleston, while February offers good fares before the spring break rush. If you're flexible, these months give you both affordable fares and excellent flight schedules to work with.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
There are approximately 79 connecting flights per day from Lambert-St. Louis Intl. (STL) to Charleston Intl. (CHS). Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Charlotte-Douglas Intl. (CLT).
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) typically departs around 5:00 AM. This service is operated by American Airlines. This is a seasonal service, active only in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
You'll typically find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) on a Friday, with around 53 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Southwest Airlines, and United. Friday offers notably more flight options compared to other days of the week, making it a great day to consider for your journey.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
The most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
A direct flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) typically takes around 2 hours. This route covers a distance of approximately 1,136 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 6 hours 18 minutes. Flights with two or more stops generally take about 9 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
Select the "Business class" and "First class" filters when looking for STL to CHS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Charleston, SC (CHS) from St. Louis, MO (STL)?
If you're planning to travel to Charleston from Lambert-St. Louis Intl. (STL), you can fly directly into Charleston Intl. (CHS). Some flights may connect through major hubs like O'Hare Intl. (ORD), Love Field (DAL), or Washington Dulles Intl. (IAD) before reaching Charleston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Charleston, SC (CHS-Charleston Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Lambert-St. Louis Intl.
Destination airport
Charleston Intl.
Distance
1128 km

Book with confidence

Your quick guide to flights from St. Louis to Charleston

Pick up great flights from St. Louis to Charleston

With Expedia, you have your pick of flights a day with airlines covering flights from St. Louis to Charleston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from St. Louis to Charleston that take around hours.

Find cheap flights from St. Louis to Charleston

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from St. Louis to Charleston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Charleston is normally in .

Reasons to book your flight from St. Louis to Charleston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from St. Louis to Charleston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Charleston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from St. Louis to Charleston

Explore a world of travel with Expedia

*Available to Expedia members.