Go through your results for flights to Hilton Head in the USA with Netflights. The most popular airlines for this route are American Airlines & British Airways, with American Airlines claiming the top spot. Although British Airways usually has the best prices, it's best to double check what's available for your travel dates.
If these flights are too expensive, try searching for a different time of year. So if your dates are flexible, consider looking at different times of year.
There are ten direct and indirect flights to Hilton Head every week, operated by two airlines. But if you're struggling to find flights to Hilton Head that work for you, try looking at other airports in the USA.
Looking at a few different departure airports will give you even more choice. See what you can find. And remember, it's best to book your flights in advance wherever possible.