AirHint found the following cheapest return flights from Sandefjord (TRF) to Helsinki (HEL) in April 2026 (see full year).
Return flights
| 13 Apr - 18 Apr | Wideroe | ||
| 14 Apr - 15 Apr | Wideroe | ||
| 18 Apr - 02 May | Wideroe | ||
| 29 Apr - 30 Apr | Wideroe | ||
| 01 Apr - 05 Apr | Wideroe | ||
| 02 Apr - 05 Apr | Ryanair | ||
| 03 Apr - 05 Apr | Finnair |
Also check the deals for one-way flights from Sandefjord to Helsinki in April.
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