The are 7 different ways across 3 unique modes of transportation to help you travel from Ciutat Vella to Tarragona. If you're only considering the price, you should check out the bus out of Estacion de Autobus de Barcelona Norte towards Estación de Autobuses de Tarragona, as it is the cheapest to Tarragona. It's common to find tickets for as low as $12. ALSA operates from Ciutat Vella to Tarragona, so you book your trip with them! Book as soon as you can, as there may be limited availability.
The trip to Tarragona is an excellent trip for the day or a nice trip for the weekend from Ciutat Vella. The cheapest way to get from Ciutat Vella to Tarragona is $12 and the quickest way takes just 1 hour 45 minutes with the bus. ALSA offers limited service between Tarragona and Ciutat Vella.We recommend booking the trip to Tarragona about one week in advance. Though you might be able to find and book a ticket from Ciutat Vella the day of, it is best to do this earlier as to be sure you have a seat to Tarragona.
While buses have recently gotten bad coverage because of cleanliness of bus stations or winter time accidents, they are can be very convenient for travel. The best part about traveling by bus to Tarragona is that it can be very cheap. That's because they usually have basic accomodations - WiFi and a restroom. Some of the Ciutat Vella/Tarragona buses' coverage has been overstated. The real thing to consider when taking a bus from Ciutat Vella is to consider the time of travel and the density of the cities that you're traveling to. If you are traveling by bus between Ciutat Vella Catalonia and Tarragona during high traffic times, you can expect to have your trip altered significantly due to traffic. Further, if you are traveling during winter, the bus schedule might be thrown off due to inclimate winter weather. Be sure to plan accordingly!
The plus side of taking the train from Ciutat Vella to Tarragona? The accomodations, scenery, and lack of Tarragona traffic can usually be on point. Moreover, you can usually expect your average concessions - such as food and drinks. Most trains have WiFi these days as well. The worst part about trains are the price. While the train to Tarragona is often cheaper than flying, they are generally more expensive than buses. Train prices are usually set and do not vary as much as bus prices or flights or so the likelihood of finding discounts is pretty rare.