Going to Barcelona from Barcelona El Prat Airport,

Barcelona Airport, El Prat, offers several transportation options to the city. The quickest way is by taxi, but it can be expensive. Aerobús buses are convenient and direct, departing every 5 to 10 minutes, costing around €5.90. The R2 Nord train also offers a trip to the city center, every 30 minutes, for around €2.20. The metro is an option, although less direct, with a ticket costing around €4.60.
The choice depends on personal preference, but for practicality with large suitcases, the bus or taxi may be more comfortable, while the train is economical.