AirHint found the following cheapest return flights from Keflavik (KEF) to Helsinki (HEL) in April 2026 (see full year).
Return flights
| 18 Apr - 20 Apr | Scandinavian Airlines | ||
| 18 Apr - 20 Apr | Finnair | direct | |
| 20 Apr - 04 May | Wizz Air | ||
| 20 Apr - 04 May | Finnair | direct |
Also check the deals for one-way flights from Keflavik to Helsinki in April.
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