Ordered by number of scheduled flights:
Ryanair
Ireland-based low cost airline services almost 20 destinations from Bratislava including:
Dublin
London-Stansted
Paris-Beauvais
Rome-Ciampino
Danube Wings
New Slovak airline with a small fleet of turbo-prop planes serving a growing number of destinations including:
Kosice, Poprad (domestic flights)
Bologna
Manchester
Czech Airlines
Presently offering a single flight to Prague.
Aeroflot
Flying Bratislava-Moscow.
Wizz Air
Hungary-based airline serving a route to Rome-Fiumicino.