Five travel problems and the sites that try to solve them

... more flexible ones, the savings are significant. To test it, I entered dates for a weeklong European getaway from New York in June. Given a choice of 20 major cities, I picked Venice and Athens, and for each got a long list of flight options and ...

http://www.nbcnews.com/travel/travelkit/five-travel-problems-sites-try-solve-them-1C9840293