From Salzburg to Vienna you can get to the train using the services of WestBahn. The trip will take 2, 5 hours and will cost 23, 90 EUR. Ticket can be bought directly on the train

Austria has a well-developed railway communication system, therefore it is possible to get from Salzburg to Vienna without any problems by the Austrian Railways (OBB) train in 2 hours 20 minutes and only 55 EUR. Trains in this direction run every half hour, the schedule can be viewed on the site.

This way can be done on buses - it will be longer, but also cheaper. The Flixbus carrier sends buses twice a day in the given direction, the trip takes 3 hours 40 minutes and costs 30 EUR

Austrian Postbus buses go from Salzburg to Vienna three times a day and spend 2 hours and 40 minutes on the road. However, the ticket for such a bus will cost twice as much (and even more than a train) - about 60 EUR