A product of the groundbreaking El Sistema, he is increasingly recognized for his outstanding performing and recording activity that spans the solo, chamber, and orchestral media. Equally at home in the classical and folk styles, Pacho captivates audiences with his energetic delivery and colorful tone. 

His solo performances include appearances with orchestras such as Basel Symphonieorchester, Orchestre National de Lille, San Diego Symphony, National Orchestra of the Polish Radio, Simfònica do Estado de São Paulo, Swedish Chamber Orchestra, Taipei Symphony, Salzburger Philharmoniker, Saint Petersburg Camerata, Tokyo Symphony, Het Gelders Orchestra, Orquesta de Valencia, Orquesta de RTVE, Hyogo PAC Orchestra, Sinfónica de Minería in Mexico, Real Filharmonía de Galicia, Sinfónica de Tenerife, Stavanger Orchestra, Orquesta del Teatro Colón in Buenos Aires, and Simón Bolívar Orchestra of Venezuela. In recital, he has performed in venues such as Carnegie Hall, Paris’ Salle Pleyel, and Tokyo Opera City. 

In the 2022/23 season, Flores is Resident Artist with the Orquesta Sinfónica de Galicia and the Royal Liverpool Philharmonic, and he also performs with the Buffalo Philharmonic, San Francisco Symphony, Los Angeles Philharmonic, Quebec Symphony, Montreal Symphony, Singapore Symphony, Tucson Symphony, Belgrade Philhamonic, Arctic Philharmonic in Norway, Walla Walla Symphony, Sinfónica Nacional de Colombia, and Nacional de Chile, with more premieres in Gabriela Ortiz’ and Daniel Freiberg’s new concertos. 

His repertoire includes commissions and premieres of works by composers such as Efraín Oscher, Arturo Márquez, Roberto Sierra, Paquito D’Rivera, Christian Lindberg, and Daniel Freiberg, and he is himself a composer of two new trumpet and flugelhorn concertos, as well as ensemble and chamber music works. 

   Flores is a Deutsche Grammophon exclusive artist and has released five recordings: Cantar, Entropía, Fractales, Cantos y Revueltas, and Estirpe. 

   A Stomvi artist, he performs on instruments built especially for him.