Austrian OCBook your flights to the European Congress of Immunology online at and save 15% on all applicable fares!

To do so, simply enter the following code in the eVoucher field on the Austrian homepage booking engine:

Code: ECI15


  • Booking period: now until September 9, 2015
  • Valid for flights to Vienna and return as of August 31, 2015 until September 16, 2015 (final date for return flight) on OS operated flights and code share flights with OS flight numbers.