The 29-yr-antique Brazil global moved to the Camp Nou from Liverpool in 2018 in a £142 million ($192 million) deal but struggled to establish himself and spent the 2019-20 season on mortgage at Bayern Munich.
He gained the Champions League with the German club, who beat Barcelona within the zone-finals of that season's opposition.
The attacking midfielder will hyperlink up in Birmingham with Villa boss Steven Gerrard, with whom he played at Liverpool.
"Aston Villa and FC Barcelona have agreed phrases for Philippe Coutinho to spend the relaxation of this season on mortgage at Villa Park," Villa stated in a brief declaration.
"The agreement, that's problem to the player completing a clinical and receiving a work allow, additionally includes an option to shop for and Philippe will tour to Birmingham inside the subsequent forty eight hours."
Villa are thirteenth inside the Premier League after three defeats in four video games following a vibrant start under Gerrard, who took over at Villa Park in November.
Gerrard on Thursday defined his former Liverpool teammate as a "unique footballer" even as refusing to comment on hypothesis linking him with a circulate to Villa.
Barcelona said in a announcement that Coutinho, who made 106 appearances for the membership, became anticipated to tour to Birmingham inside the following couple of hours.
