 On 6 August 2015, he returned to Spain and its second level after agreeing to a one-year loan deal with CD Tenerife, which was extended on 9 July of the following year; he was awarded the Player of the Month award for May, after helping his team reach the play-offs.On 7 July 2017, an agreement between FC Barcelona and Olimpia for Lozano was confirmed by the latter club's vice president Osman Madrid, which saw the player become the first Honduran to represent the Catalans.He was assigned to their reserves in division two, and in the first game of the season, he scored once and provided an assist against Real Valladolid (2–1, away).