Cheap Sun Country Airlines flights St. Louis (STL) to Charleston (CHS)

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Flights from St. Louis (STL) to Charleston (CHS)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Popular airline
Delta
Distance
705 mi
Average flight time
2 hours 52 mins

Frequently asked questions

How much is a Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Charleston Intl. Airport (CHS)?
Use the "Price (lowest to highest)" filter on Expedia to find cheap Sun Country Airlines round-trip flights from STL to CHS. Affordable one-way tickets are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from STL to CHS with Sun Country Airlines?
Sun Country Airlines flights to Charleston are generally more affordable in the off-peak months of January and December. Whether you need a return or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Charleston Intl. Airport (CHS) with Sun Country Airlines?
For cheap Sun Country Airlines fares from Lambert-St. Louis Intl. Airport (STL) to Charleston Intl. Airport (CHS), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall price. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Sun Country Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Charleston Intl. Airport (CHS)?
To see if there's a direct trip from STL to CHS with Sun Country Airlines or another carrier, check the "Nonstop" box when searching for flights.
What is the earliest Sun Country Airlines flight from STL to CHS?
To find the earliest departure from STL to CHS with Sun Country Airlines, sort your results by "Early Morning" and "Morning." Booking an early flight usually means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Sun Country Airlines fly into in Charleston?
Charleston Intl. Airport (CHS) is the main Charleston hub for Sun Country Airlines flights from Lambert-St. Louis Intl. Airport (STL).
What kind of luggage can I take on a Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Charleston Intl. Airport (CHS)?
You're permitted 1 cabin bag weighing up to 33 lb with dimensions not exceeding 23 inches x 10 inches x 15 inches. You may also take a small personal item with you when flying standard economy from STL to CHS with Sun Country Airlines. Baggage allowances can vary by fare type and cabin class, so check Sun Country Airlines's website to avoid last-minute fees at the airport.
Why fly with Sun Country Airlines from STL to CHS?
Flying from STL to CHS with Sun Country Airlines comes with a range of perks, including top-tier customer service and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Sun Country Rewards points you can earn with Sun Country Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Sun Country Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Charleston Intl. Airport (CHS)?
Changes are usually free within 24 hours of making a booking, but your airline may charge a fee after that. For more details about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to adjust your plans without being charged, apply the "Changes included" and "No cancel fee" filters when organizing your trip.

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*Available to One Key members.