How to fly Singapore Airlines business class from Europe to New York this summer for just 57K credit card points or miles

Singapore Airlines Spontaneous Escapes is offering 30% off select redemptions for travel in June, and it’s a great way to fly one of the world’s best airlines across the Atlantic. The award-winning airline operates a daily fifth-freedom flight from New York’s John F. Kennedy International Airport (JFK) to Frankfurt Airport (FRA) before continuing on to …