Paramount There are 312 flights that fly from San José to Del, but there are a few connecting flights: Indigo, Turkish Airlines, Singapore Airlines, Delta Airlines, Air France, Virgin Atlantic, Alaska Airlines, Qatar Airways, United Airlines, Japan Airlines, American Airlines, Air India, Spirit Airlines, Etihad Airways, JetBlue Airways, KLM Royal Dutch, Air Canada, Lufthansa, Virgin, Vistara British Airways, Swiss Southwest Airlines, Emirates, Fly Dubai ,ITA Airways, All Nippon Airways, and Vietnam Airlines. Finnair, Cathay Pacific, Oman Air and Asiana Airlines