Premier League giants Arsenal had too much quality for Spanish La Liga outfit Valencia in the semifinals especially in the second leg.
The Gunners had won the first leg of their last four tie 3-1 at home only for them to produce a better performance at the home of Valencia with
Arsenal came from behind in the second leg at the Mestalla to beat their hosts Valencia 4-2 thereby securing a 7-3 aggregate win over the Spaniards.
Gunners boss Unai Emery was facing his former club and he came out victorious in a convincing manner.
Kevin Gameiro gave the hosts the lead in the 11th minute before Arsenal fought back through hattrick hero Pierre-Emerick Aubameyang six minutes later.
The scores stayed at 1-1 till halftime before Arsenal ran riot in the second half.
Alexandre Lacazette added a second goal for the away team five minutes after the restart before the aforementioned Gameiro brought Valencia back into the contest eight minutes later.
A third Arsenal goal from Aubameyang took the game beyond Valencia before the Gabonese international wrapped up the 4-2 win with two minutes left on the clock for his treble this taking his goal tally this season to 29 goals in all competitions.
The Gunners will face Chelsea in an all-English final in the final billed for Baku on May 29.