Cheapest return flights from Cologne to Bucharest in September from $158

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

Return flights

14 Sep - 02 Oct Ryanair
18 Sep - 25 Sep Ryanair
22 Sep - 24 Sep Ryanair
25 Sep - 29 Sep Ryanair
19 Sep - 22 Sep Ryanair
14 Sep - 28 Sep Ryanair
07 Sep - 20 Sep Ryanair
05 Sep - 08 Sep Ryanair
12 Sep - 14 Sep Ryanair
05 Sep - 07 Sep Eurowings
21 Sep - 22 Sep Pegasus Airlines

Also check the deals for one-way flights from Cologne to Bucharest in September.

Skyscanner

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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