The Stamford Bridge side entered into the second leg with the aggregate score 3-0.
The French striker continued his brilliant Euro League form by scoring a hat-trick which helped his side to drub the Ukrainians 5-0.
Giroud’s third goal came as an emphatic header which looked like an exact replica of the Portuguese star Cristiano Ronaldo’s way of scoring.
Benefitting from the set piece of Willian, the former Arsenal forward jumped above the defender and netted the ball.
The goal marked his ninth of the Europa League in nine appearances.
Meanwhile, his Premier League stats is contrary to the European competitions since he has managed to find only one goal in 20 appearances.
Nevertheless, the French man showed his class last night and has drawn praises for his performance.
Maurizio Sarri’s side is currently sixth in the Premier League table and fighting out hard for a place in the Champions League next season.
The Italian manager was censured highly after the recent slump eventually losing the place in top 4.
The Blues have managed to recover well with four wins and a draw after the Manchester United defeat.
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Everton will be their next opponents in the Saturday’s Premier League game.