On 16th August 1926, for the first time ever, Lufthansa flew on the route Munich-Salzburg-Bad Reichenhall. On 22nd August the Salzburg Airfield was officially opened in Maxglan.

There were now 5 airfields including Salzburg in Austria. The German Lufthansa were already flying the route Munich-Salzburg-Reichenhall and back. For the first time advertising was dropped through the skies: the airplane Tyrol A 25 through fliers down to the ground.

The ÖLAG (Austrian Aviation AG) opened the route Vienna-Salzburg-Innsbruck on 19th April 1927. In addition a flying school and an aviation/aeronautical enterprise with aeronautical production was founded. Both establishments also trained flight personnel and carried out passenger flights and aeronautical shows. On 31st October the "Austrian Flying School" was established.

In February 1928 Salzburgers were amazed to see several publicity flights. After the summer flight schedule was issued in 1928, the press remarked with enthusiasm that now 34 cities could be reached on a daily basis. "The most significant provincial airfield" Nevertheless, they still did not have an airport building. All flight passengers had to make do with a wooden hut to that point. Apart from that the airfield was already extremely busy. In 1928 Salzburg was the most flown to city after Reichenhall and Innsbruck.
In 1929 the flight traffic was already running in Salzburg without any problems. On 21st October Salzburg municipal authorities and the city's legal advisor Dr. Emanuel Jenal founded the Salzburger Flugplatzunternehmungsges.m.b.H. (Salzburg Airfield Ltd)

The remarkable progress of Austrian aviation was above all due to the city's subsidies and the cooperation of the ÖLAG with international flight companies. Finally, in 1930 a new airfield building was put into operation. Engineer Karl Woral, who was functioning as Airfield director and at the same time Flight director was provided with a secretary, and an airfield bus took care of freight, post and luggage.
From November 1930 gliders also used Salzburg’s airfield. According to the statistics of that time 930 aircraft used Salzburg in that year.

From 1931 Salzburg was also affected by the world economic crisis. This consequently lead to a reduction in state subsidies which led to several routes being stopped. On 15th July 1932 Eduard Kuhn, one of Salzburg's greatest aviational pioneers, crashed as he started his descent over Pointing-Himmelreich.