If you'd like to save some cash on your trip to Nantucket, listen up! As every experienced traveller knows, don't book at the very last minute. Fares are often highest close to the departure date. Another great way to land the best deal is to shop around. If where you're headed has a few airports, don't forget to look into the cost of flying into a less busy terminal. Finally, another easy way to save some money is be ready to book fast. If you spot a fantastic deal, don't think twice — snap it up while you've got the chance.