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

Return flights

28 Aug - 01 Sep	Ryanair
06 Aug - 07 Aug	Ryanair
29 Aug - 02 Sep	Ryanair
12 Aug - 14 Aug	Ryanair
05 Aug - 12 Aug	Ryanair
27 Aug - 28 Aug	Ryanair
10 Aug - 14 Aug	Ryanair
31 Aug - 02 Sep	Eurowings
04 Aug - 07 Aug	Ryanair
28 Aug - 03 Sep	Ryanair
29 Aug - 01 Sep	Ryanair
03 Aug - 07 Aug	Ryanair
27 Aug - 30 Aug	Ryanair
12 Aug - 19 Aug	Ryanair
05 Aug - 07 Aug	Ryanair
30 Aug - 02 Sep	Ryanair
29 Aug - 01 Sep	Eurowings	direct

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

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 August from 131€

Return flights