Why use a metro code page
Metro pages are useful when the best premium fare may depart from more than one airport in the same city. They keep the search broader and often reveal better schedules.
Metro route guide
NYC to BCN business class
Use this guide when you want the flexibility of a New York metro departure and plan to compare JFK, Newark, and the best premium carrier schedule to Barcelona.
What to compare
Airline preference, alliance, aircraft, lounge access, and whether a later departure or a stronger arrival time makes the trip more comfortable.