KLM Hungary  
   Royal Dutch Airlines ticket prices and flight availability. Also includes hotel accommodations, travel insurance and destination car rental details.
   http://www.klm.com/hu_en/index.jsp

Trams of Budapest - Budapesti villamosok  
   Fan's website about Budapest's tram system: its past, present and future. Information on other cities' tram services within Hungary. Site in English and Hungarian.
   http://villamos.budapest.hu

Malév  
   Extensive information on the Hungarian national air carrier including a searchable timetable database and online booking.
   http://www.malev.hu/

Ship timetable (international Hydrofoil)  
   Travel from Vienna to Budapest (or the other way round) by Hydrofoil
   http://www.budapesthotels.com/touristguide/mahart.asp

Sargent Blue  
   School bus, sightseeing, car rental, and other transportation services. Background information, schedules, references, and related links.
   http://www.sargentblue.hu