Lativian carrier Air Baltic will boost flight frequencies from the country's capital, Riga, to Vienna, Munich and Zurich.
The airline will commence twelve-weekly flights from Riga to Vienna in Austria and Munich in Germany on 25 March 2012, up from seven-weekly flights to both destinations in the previous summer schedule.
The carrier said it would operate the Riga-Vienna service in cooperation with Austrian Airlines.
Air Baltic will increase the number of flights from Riga to Zurich in Switzerland from six-weekly to daily.
According to the the Innovata schedule, Air Baltic is the only carrier to operate nonstop flights from Riga to Vienna, Munich and Zurich.