airBaltic (BT, Riga) has signed a codeshare agreement with Rossiya (FV/St. Petersburg) that will put its code on Air Baltic services from Riga to Kaliningrad and St. Petersburg and between Kaliningrad and Copenhagen Kastrup. Air Baltic will resume or add new routes to its network later this year: Riga-Dushanbe: 2x weekly B737-500 service starting on June 1 It has however already given up its Riga-Almaty route again.