El Rastro is the most famous flea market of Madrid. It takes place every Sunday (plus some holidays), in the traditional neighborhood of Lavapies, near the center of Madrid. All Sunday mornings the Ribera de Curtidores street and neighboring streets are filled with stalls selling a wide variety of products, such as food, crafts or clothes. In addition to street stalls, bars and restaurants in the area offer a variety of dishes and tapas.
To reach El Rastro, the best option is the public transport.
Line 1: Tirso de Molina station
Line 3: Embajadores station
Line 5: La Latina or Puerta de Toledo station
Bus lines: 17, 33, 35, 41, 60, 148 and Circular
You can also go walking from the Puerta del Sol and other parts of central Madrid.