AirHint found the following cheapest return flights from Trondheim (TRD) to Porto (OPO) in March 2026 (see full year).
Return flights
| 01 Mar - 10 Mar | Wizz Air | ||
| 16 Mar - 23 Mar | Wizz Air | ||
| 09 Mar - 16 Mar | Wizz Air | ||
| 24 Mar - 30 Mar | KLM | ||
| 27 Mar - 06 Apr | Wizz Air | ||
| 28 Mar - 06 Apr | Scandinavian Airlines | ||
| 28 Mar - 05 Apr | Scandinavian Airlines |
Also check the deals for one-way flights from Trondheim to Porto in March.
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