Novosibirsk, Russia, 2014-04-30 — /Travel PR News/ — S7 Airlines, a member of the oneworld® global aviation alliance®, announces the introduction of changes to the «S7 Priority» frequent flyer programme. From the 29th of April «S7 Priority» members can purchase additional bonus miles if the accrued miles are not sufficient to get an award ticket. In addition a member of the «S7… Read the full press release