CONVENTIONAL WISDOM maintains that if you haven’t booked your summer vacation by May 1, you’ll either need to pay a fortune for flights or invest in an inflatable pool for the backyard. But thrifty procrastinators, take heart: This is no normal year. With new players duking it out over the Atlantic, air deals to some of Europe’s most popular destinations are still lurking, just not in the usual places.
“Fares for summer travel are some of the cheapest we’ve seen in years, especially along trans-Atlantic routes,” said Tracy...