Yes, there are multiple flights from Vietnam to Saalbach for under 27,681,660₫. The cheapest flight booked recently is on British Airways for just 26,251,442₫, but on average you can expect to pay 32,226,066₫.
There are no direct flights from Vietnam to Saalbach, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
The cheapest flight price from Vietnam to Salzburg is 29,428,836₫. On average you can expect to pay 29,428,836₫. The most popular route, (Hanoi Noibai - Salzburg W.A. Mozart), can usually be booked for 49,250,288₫.
Departing from Vietnam to Saalbach will take you 17h 40m. This flight may include one or multiple stops.
British Airways, at 26,251,442₫, was found to be the cheapest airline from Vietnam to Saalbach. An alternate airline flying to your destination would be Turkish Airlines.