Some of the best deals on spirits to be found are in duty-free stores largely at airports around the USA, and the world. But this is not necessarily because of the lack of duty, or taxes, imposed on the price of alcohol at these retail outlets. In fact, nowadays you can often find cheaper bottles at local liquor stores or online. But spirits brands often release travel retail exclusive offerings, and for aficionados of fine whiskey, vodka, cognac, tequila or gin, that’s where the value lies.

“Global travel retail is a $65 billion industry, with some 1.1 billion customers,” says John Kilmartin, vice president, Global Travel Retail at Patrón Spirits International. The concept was born in…