On 29 July 2014, Dejagah joined Qatari club Al-Arabi.
In his first season with Al-Arabi, Dejagah scored 5 goals in 24 appearances and helped Al-Arabi to an eight place finish.
Dejagah scored his first goal of the 2015–16 season on 9 December 2015 in Al-Arabi's 4–1 victory against Al-Mesaimeer.
Dejagah was named as Al-Arabi's player of the season for 2015–16.
Despite this, the new board members of the club sought to remove him from the squad.
In July 2016 Dejagah was linked with loan moves to German club Hertha BSC and English club Watford.

After two years with Al Arabi, Dejagah was removed from the clubs squad on 16 September 2016.
Al Arabi could not loan out Dejagah, and in January 2017, after not coming to an agreement with the club, Dejagah was released.
On 29 July 2014, Dejagah joined Qatari club Al-Arabi. In his first season with Al-Arabi, Dejagah scored 5 goals in 24 appearances and helped Al-Arabi to an eight place finish. Dejagah scored his first goal of the 2015–16 season on 9 December 2015 in Al-Arabi's 4–1 victory against Al-Mesaimeer. Dejagah was named as Al-Arabi's player of the season for 2015–16. Despite this, the new board members of the club sought to remove him from the squad. In July 2016 Dejagah was linked with loan moves to German club Hertha BSC and English club Watford.
After two years with Al Arabi, Dejagah was removed from the clubs squad on 16 September 2016. Al Arabi could not loan out Dejagah, and in January 2017, after not coming to an agreement with the club, Dejagah was released.
Ashkan Dejagah