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 | ||
| 09 Mar - 16 Mar | Wizz Air | ||
| 20 Mar - 24 Mar | Wizz Air | ||
| 24 Mar - 30 Mar | KLM | ||
| 20 Mar - 20 Mar | Scandinavian Airlines |
Also check the deals for one-way flights from Trondheim to Porto in March.
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