If flying domestically, ensure that you have a REAL ID-compliant driver’s license or identification card.
After October 1, 2021, the REAL ID is required for all passengers flying domestically unless you present an acceptable alternative, such as your valid passport.
More info about the REAL ID in South Carolina and nationally.
Check passport expiry date: You need a minimum of 3 unused pages* & a minimum of 6 months validity on your Passport from your trip RETURN date.
* you need at least 1 page per number of countries if you are visiting multiple on that same trip.