AirHint found the following cheapest return flights from Cologne (CGN) to Belgrade (BEG) in July 2025 (see full year).

Return flights

11 Jul - 14 Jul	Ryanair
31 Jul - 06 Aug	Ryanair
21 Jul - 31 Jul	Lufthansa
18 Jul - 06 Aug	Lufthansa
19 Jul - 06 Aug	Lufthansa
08 Jul - 15 Jul	Ryanair
30 Jul - 13 Aug	Austrian Airlines
28 Jul - 02 Aug	Ryanair
31 Jul - 11 Aug	Austrian Airlines
31 Jul - 08 Aug	Austrian Airlines
07 Jul - 09 Jul	Eurowings
21 Jul - 25 Jul	Lufthansa
21 Jul - 30 Jul	Lufthansa
22 Jul - 30 Jul	Lufthansa
09 Jul - 11 Jul	Ryanair
19 Jul - 02 Aug	Lufthansa
25 Jul - 27 Jul	Austrian Airlines
20 Jul - 27 Jul	Austrian Airlines
03 Jul - 03 Aug	Eurowings
31 Jul - 04 Aug	Pegasus Airlines

Also check the deals for one-way flights from Cologne to Belgrade in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cologne to Belgrade in July from 228€

Return flights