via I-20
The drive from Charleston to Hilton Head takes approximately 1h 22min, covering 76 miles via I-20. Under normal conditions, expect to spend around $8 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 2–3+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
For this shorter drive, the best time to go is early morning (6-8 am). Rush hour (7-9 AM and 4-7 PM) can add significant time on this route. Weekends are generally smoother unless it's a holiday.
Plan rest stops every 2-3 hours on longer drives. Check traffic conditions before departure and keep your tank above quarter-full.
This trip can typically be done on a single tank of gas.
Planning a trip from Charleston to Hilton Head? The most common route runs along I-20, covering 76 miles in about 1h 22min. Gas will set you back roughly $8 for the one-way trip. For the best experience, hit the road during early morning (6-8 am) when traffic is lightest.
Covering only 76 miles, this quick trip is ideal for a day outing. Most drivers find the route straightforward, with no need for rest stops unless you prefer a leisurely pace.