During the Summer season until 30 October 2021,  Air Serbia connects Athens – Belgrade and Thessaloniki – Belgrade with seven flights per week. More specifically:

Athens – Belgrade (all flights operate with Airbus A319 aircrafts):

• Flight JU512 / JU513, four times per week, every Monday, Thursday, Friday, Sunday. The flights depart from Athens early in the afternoon. Thursday, Sunday 15H35; Friday 15H40 and Monday 16H05. Departure from Belgrade on Thursday, Sunday at 12H20; Friday 12H25 and Monday 12H50.
• Flight JU516 / JU517, three times per week every Monday, Tuesday (from 14/06 to 04/10/21), Saturday. The flights depart from Athens early in the morning, Monday & Tuesday 04H40; Saturday 05H00. Departure from Belgrade Monday & Saturday 00H40, Tuesday 00H55.

Thessaloniki – Belgrade (all flights operate with ATR 72, except flights JU523/522, on Monday and Friday, with Airbus A319):

• Flight JU522 / JU523, three times per week, every Monday, Friday, Sunday. The flights depart from Thessaloniki early in the afternoon, Sunday 15H55; Monday 16H10 and Friday 16H20. Departure from Belgrade, Sunday 12H55; Monday 13H20 and Friday 13H30.
• Flight JU526 / JU527, four times per week every Monday, Tuesday, Friday, Saturday, (the flights on Tuesday and Friday only from 14/06 to 21/09/21). The departure from Thessaloniki is early in the morning, Monday, Tuesday and Friday 04H50; Saturday 05H10. Departure from Belgrade, Monday, Friday, Saturday 00H40; Tuesday 00H55.

Additionally, Air Serbia will operate flights between Kraljevo (KVO) and Thessaloniki, once per week on Tuesdays, from 13 July until 24 August 2021.