Norwegian (Oslo Gardermoen) will launch more new routes this summer season: Oslo Gardermoen-Antalya: weekly B737-300 service starting on May 5 Oslo Gardermoen-Istanbul Sabiha Gökcen: 2x weekly B737-300 service starting on June 2 Oslo Gardermoen-Palma de Mallorca: weekly B737-300 service starting on May 12 Stavanger-Berlin Schönefeld: 2x weekly B737-300 service starting on May 3 Stavanger-Paris Orly: 3x weekly B737-300 service starting on May 4 Stavanger-Prague: 2x weekly B737-300 service starting on May 5 Stockholm Arlanda-Paris Orly: 4x weekly B737-300 service starting on May 4 Warsaw-Birmingham: 4x weekly B737-300 service starting on April 17 It will give up its Warsaw-Dublin route on March 23 and its Bergen-Manchester route on April 13.