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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

Is it cheaper to buy a plane ticket from Charleston Intl. Airport (CHS) to St. Louis Downtown Airport (CPS) last minute?
When it comes to booking your flights, it's better to be prepared. While it's possible to score a deal on a Charleston Intl. Airport to CPS flight at the last minute, tickets usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international flights it's three to four months.
What airports do you fly into for East St. Louis from Charleston?
From Charleston, you can reach East St. Louis via St. Louis Downtown Airport (CPS), Lambert-St. Louis Intl. Airport (STL) and MidAmerica-St. Louis Airport (BLV). Check which airport is best for you before making your decision. If you opt for St. Louis Downtown Airport (CPS), it's around 3 kilometers south of the city center. Use the dollars you save when booking your journey with Expedia to check out the city's well-known sights, such as Busch Stadium and Gateway Arch.
Can I change the date of my flight from Charleston Intl. Airport (CHS) to CPS?
You can quickly make changes to your Charleston Intl. Airport to CPS journey by logging in to the Expedia Trips portal. Before you amend times or dates, read the rules in your itinerary to learn what the airline will allow you to do and what fees apply for changes. Some carriers have a change fee per person, plus any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also head to our Customer Service portal for more useful advice and to chat with our Virtual Agent.

Travel information

Origin airport
Charleston Intl.
Destination airport
St. Louis Downtown
Distance
1103 km

Book with confidence