The journey from Katy to Charleston spans approximately 1,850 kilometers across the Southern United States. Most travelers prefer flying from George Bush Intercontinental Airport to Charleston International Airport to save time. If driving, you will traverse I-10 East through Louisiana, Mississippi, and Alabama before connecting to I-20. The drive typically requires 18 to 20 hours of active road time depending on traffic in major hubs like Baton Rouge and Atlanta. This route transitions from the flat Gulf Coast plains to the historic Lowcountry of South Carolina.
Total Distance: 1,850 km driving, 1,520 km air distance.
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 5 hours 30 mins | 19 hours |
| Avg Price | $250 - $450 | $200 - $300 in fuel |
| Operator | United Airlines | Personal Vehicle |
| Route | IAH to CHS via Charlotte or Atlanta hub. | I-10 E to I-20 E to I-26 E. |
| Tip | Book at least three weeks in advance to secure lower fares on United or American Airlines. | Avoid driving through Atlanta during peak rush hours between 7 AM and 9 AM. |
Spring months of March and April offer mild temperatures for exploring Charleston's historic district.