Budget flights to Vienna

Low Cost Carriers:

CheckFelix: (English) (Deutsch)
CheckFelix is an independent flights search engine which searches over 100 of airline and travel agency websites within 2 minutes for the cheapest flights available. Their website also features a calendar and interactive maps.

From the US:
Cheapflights.com (English)

From Japan:
As prices vary greatly we recommend that you book your flight via a travel agency.

Airports:

Vienna Airport (English) (German)
Vienna Airport is less than 20 km (12 mi) away from Vienna and well connected to the city center. Travel to the city centre is possible by taxi, bus or Express train. Find out about these options in more detail at their website.
You can also pre-book a transfer with ActiLingua Academy. In this case, you will be met by a driver with an ActiLingua sign at the arrival hall of Vienna airport.

Airport-Transfer: Go to Airport-Driver.at or call +43-1-22822. Transfer can be booked online and is ususally cheaper than taking a normal taxi or than booking airport transfer directly at the airport. We are happy to organize the transfer for you, too.

Bratislava Airport (in Slovakia, SK) (English)
is approximately 64 km (40 mi) away from Vienna!
Note: You may need a visa for Slovakia!