Cheapest one-way flights from Belfast to Cologne in September from $78

AirHint found the following cheapest one-way flights from Belfast (BHD) to Cologne (CGN) in September 2025 (see full year).

One-Way flights

05 Sep easyJet
06 Sep Aer Lingus

Also check the deals for return flights from Belfast 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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