Barcelona is a well-connected city, easily accessible by air, sea, rail, and road. Here's a breakdown of your options:

By Air
Barcelona-El Prat Airport (BCN): This is the main international airport serving Barcelona, located about 12km southwest of the city center. It offers numerous connections to destinations worldwide.
Girona-Costa Brava Airport (GRO): Located approximately 90km north of Barcelona, this airport is often used by low-cost carriers.
Reus Airport (REU): Situated about 100km south of Barcelona, Reus Airport also serves a variety of destinations, often with budget-friendly airlines.

By Sea
Port of Barcelona: One of the busiest ports in the Mediterranean, Barcelona welcomes numerous cruise ships and ferries. Ferries connect Barcelona to the Balearic Islands, Italy, and North Africa.

By Train
Barcelona Sants (Estació de Sants): This is the main railway station in Barcelona, with high-speed connections to major Spanish and European cities.Barcelona França: Another major train station, offering national and international connections.

By Road
Extensive Road Network: Barcelona is well-connected to the rest of Spain and Europe via a network of motorways (autopistas) and highways.Once you arrive in Barcelona, the city offers an excellent public transport system, including a metro, buses, trams, and taxis, making it easy to get around.