AirHint found the following cheapest return flights from Cologne (CGN) to Dublin (DUB) in July 2026 (see full year).

Return flights

03 Jul - 06 Jul	Ryanair	direct
03 Jul - 05 Jul	Ryanair	direct
03 Jul - 17 Jul	Ryanair	direct
05 Jul - 17 Jul	Ryanair	direct
05 Jul - 06 Jul	Ryanair	direct
03 Jul - 13 Jul	Ryanair	direct
24 Jul - 31 Jul	Ryanair	direct
05 Jul - 12 Jul	Ryanair	direct
05 Jul - 13 Jul	Ryanair	direct
01 Jul - 06 Jul	Ryanair
24 Jul - 03 Aug	Ryanair	direct
26 Jul - 02 Aug	Ryanair	direct
17 Jul - 01 Aug	Ryanair
25 Jul - 01 Aug	Lufthansa

Also check the deals for one-way flights from Cologne to Dublin 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 Dublin in July from 135€

Return flights