AirHint found the following cheapest return flights from Sandefjord (TRF) to Trondheim (TRD) in April 2026 (see full year).
Return flights
| 17 Apr - 24 Apr | Wideroe | direct | |
| 14 Apr - 14 Apr | Wideroe | direct | |
| 14 Apr - 28 Apr | Wideroe | direct | |
| 15 Apr - 17 Apr | Wideroe | direct | |
| 02 Apr - 03 Apr | Wideroe | ||
| 01 Apr - 03 Apr | Wideroe | ||
| 02 Apr - 05 Apr | Wideroe |
Also check the deals for one-way flights from Sandefjord to Trondheim in April.
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