Question : How long are most people's visits to Shanghai when they fly in from Vienna?
Answer : Of course you're not most people, but if you were, you'd stay roughly 17 days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The lowest-cost day to fly in December is Wednesday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Which airline is offering the cheapest round-trip flight from VIE to SHA?
Answer : Turkish Airlines is offering its passengers the cheapest flights over the next three months.