Find a great deal and save up to 27% by booking at least 39 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Charleston to Portsmouth, New Hampshire within the next two weeks, with the cheapest ticket starting at $258.
Due to multiple factors, expect to potentially pay more when booking in April. For low rates, January can be a great choice for travel to Portsmouth, New Hampshire. Flights to Portsmouth, New Hampshire from Charleston in January are about $244 on average during January, but can be found for as low as $96.
When flying from Charleston to Portsmouth, New Hampshire, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.