Cheapest return flights from Cologne to Helsinki in September from 193€

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

Return flights

23 Sep - 30 Sep Ryanair
29 Sep - 09 Oct Ryanair
25 Sep - 01 Oct Eurowings
20 Sep - 27 Sep Pegasus Airlines
24 Sep - 26 Sep Ryanair
23 Sep - 28 Sep Ryanair
28 Sep - 04 Oct Eurowings
25 Sep - 28 Sep Ryanair
18 Sep - 21 Sep AJet
22 Sep - 28 Sep Eurowings
21 Sep - 28 Sep AJet

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