From the airport
From the airport: Take the Line 9 and stop in Torrassa. Then take Line 1 until you arrive at Arco de Triunfo, just 5 minutes from the hotel.
From the train station: From Sants Station: Train R1 from Barcelona Sants to Arco de Triunfo.
Closest metro station: Arco de Triunfo(L1 (red) line)
Bus: Take the 41, 39, or 55 bus, which will let you off at Trafalgar Street. From there, walk along Menendez Nunez, turn right at Ali Bei, then turn left at Bailen Street. You'll see the hotel once you're on Bailen. If you are in the city for a few days buy a T-10, Multi-person card for 10 journeys, (€9.95). It works on the metro too.
Taxi: It's a 30-40 minute trip and is around €35.
Aerobus shuttle: Departs every 5-10 minutes from terminals 1 and 2, daily from 5:35 AM to 01:05 AM. Tickets can be purchased on the bus. For more information see here. Drops off at Plaza Catalunya.