NW17 SQ-TR SEASONAL FARES (eff 12 DEC 17 – 31Mar18) Travel MartDec 13, 2017 NW17 SQ-TR SEASONAL FARES (eff 12 DEC 17 - 31Mar18) <span class="nav-subtitle screen-reader-text">Page</span> Previous PostSINGAPORE AIRLINES – NW17 SQ-TZ SEASONAL FARES EFFECTIVE 12 DEC 17 – 31 MAR 18