The best pricing can be found in the month of January. Prices to Portsmouth, New Hampshire from Cardiff average £475. You can even find prices in January for less than £475, as users have found deals to Portsmouth, New Hampshire from as low as £354. The month of May appears to be one of the more expensive times to travel to Portsmouth, New Hampshire from Cardiff. Flying in the targeted month can save you up to 26%.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cardiff to Portsmouth, New Hampshire as you normally would.