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

Return flights

28 Sep - 15 Oct	Eurowings	direct
09 Sep - 13 Sep	Eurowings
08 Sep - 15 Oct	Eurowings	direct
11 Sep - 15 Oct	Ryanair
10 Sep - 24 Sep	Ryanair
03 Sep - 10 Sep	Ryanair
22 Sep - 26 Sep	Eurowings	direct
10 Sep - 24 Sep	Eurowings	direct
09 Sep - 23 Sep	Ryanair
15 Sep - 19 Sep	Eurowings
10 Sep - 14 Sep	Ryanair
07 Sep - 10 Sep	Ryanair
28 Sep - 03 Oct	Eurowings
11 Sep - 14 Sep	Ryanair
08 Sep - 12 Oct	Ryanair
27 Sep - 14 Oct	Ryanair
30 Sep - 04 Oct	Eurowings
08 Sep - 12 Oct	Eurowings	direct
28 Sep - 05 Oct	Eurowings
28 Sep - 05 Oct	Eurowings	direct

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

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 Budapest in September from 117€

Return flights