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

Return flights

31 Jul - 03 Aug	Ryanair
16 Jul - 23 Jul	Ryanair
15 Jul - 18 Jul	Ryanair
23 Jul - 28 Jul	Ryanair
07 Jul - 15 Jul	Aegean Airlines
05 Jul - 09 Jul	Ryanair
17 Jul - 19 Jul	Ryanair
18 Jul - 22 Jul	Eurowings
05 Jul - 07 Jul	Ryanair
26 Jul - 29 Jul	Ryanair
07 Jul - 14 Jul	Aegean Airlines
28 Jul - 02 Aug	Eurowings
13 Jul - 02 Aug	Lufthansa
25 Jul - 17 Aug	Austrian Airlines
20 Jul - 24 Aug	Austrian Airlines
19 Jul - 09 Aug	Lufthansa
27 Jul - 08 Aug	Austrian Airlines

Also check the deals for one-way flights from Cologne to Bucharest 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 Bucharest in July from 192€

Return flights