A Ryanair flight bound for the Austrian capital Vienna had to land in the neighbouring Czech Republic late on Monday after encountering GPS problems and poor visibility, the company said.
Austria's conservative-led government said on Friday it is offering Syrian refugees a "return bonus" of 1,000 euros ($1,050) to move back to their home country after the fall of Bashar al-Assad.
Austria will support Syrians who want to return now that rebels have seized Damascus and President Bashar al-Assad has fled, Chancellor Karl Nehammer said on Tuesday.
Portuguese aerospace engineer Pedro Monteiro planned to join many of his peers moving from Portugal to its richer European neighbours seeking better-paying jobs after his master's in Lisbon.
City of Wroclaw in Poland readied buses for possible evacuations on Tuesday and the zoo called for volunteers to protect animals from floods as the death toll rose to 21 across central Europe.
Austrian Airlines, the last west European airline flying to Iran, said it was suspending all flights from Vienna to Tehran until April 18 in response to escalating tensions in the region.