Cheapest return flights from Cologne to Helsinki in May from $170

Best time to book flights for Cologne (CGN) to Helsinki (HEL) flights at AirHint

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

Return flights

15 May - 22 May Ryanair
05 May - 08 May Ryanair
16 May - 18 May Lufthansa
08 May - 11 May Ryanair
08 May - 12 May Ryanair
05 May - 07 May Ryanair
08 May - 15 May Ryanair
16 May - 22 May Ryanair
16 May - 19 May Lufthansa
10 May - 18 May Lufthansa
29 May - 01 Jun Lufthansa
30 May - 01 Jun Lufthansa

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

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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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