Aegean Airlines has a small fleet of sixteen Airbus A321s, split into no less than six different cabin configurations

• A321ceo type 1: this 206CM configuration applies to SX-DGA, DVO, and DVZ
  
• A321ceo type 2: this 206CM configuration applies to SX-DGT
  
• A321ceo type 3: this 206CM configuration applies to SX-DGP and DGQ
  
• A321ceo type 4: this 207CM configuration applies to SX-DNF and DNG
  
• A321ceo type 5: this 209CM configuration applies to SX-DNH
  
• A321neo: seven aircraft configured 220CM