Cheapest return flights from Dublin to Cologne in September from $61

Best time to book flights for Dublin (DUB) to Cologne (CGN) flights at AirHint

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

Return flights

10 Sep - 24 Sep Ryanair direct
19 Sep - 24 Sep Ryanair direct
24 Sep - 08 Oct Ryanair direct
10 Sep - 17 Sep Ryanair direct
12 Sep - 24 Sep Ryanair direct
24 Sep - 05 Oct Ryanair direct
19 Sep - 08 Oct Ryanair direct
10 Sep - 21 Sep Ryanair direct
19 Sep - 05 Oct Ryanair direct
10 Sep - 26 Sep Ryanair direct
24 Sep - 01 Oct Ryanair direct
12 Sep - 17 Sep Ryanair direct
10 Sep - 19 Sep Ryanair direct
24 Sep - 26 Sep Ryanair direct
03 Sep - 10 Sep Ryanair direct
19 Sep - 01 Oct Ryanair direct
12 Sep - 01 Oct Ryanair direct
26 Sep - 08 Oct Ryanair direct
26 Sep - 15 Oct Ryanair direct
14 Sep - 05 Oct Ryanair direct

Also check the deals for one-way flights from Dublin to Cologne 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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