AirHint found the following cheapest return flights from Cologne (CGN) to Helsinki (HEL) in April 2026 (see full year).
Return flights
| 16 Apr - 19 Apr | Ryanair | ||
| 25 Apr - 29 Apr | Ryanair | ||
| 03 Apr - 12 Apr | Eurowings | ||
| 08 Apr - 11 Apr | Ryanair | ||
| 02 Apr - 12 Apr | Ryanair | ||
| 10 Apr - 15 Apr | Eurowings |
Also check the deals for one-way flights from Cologne to Helsinki in April.
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