AirHint found the following cheapest return flights from Tallinn (TLL) to Porto (OPO) in September 2026 (see full year).
Return flights
| 21 Sep - 27 Sep | Wizz Air UK | ||
| 20 Sep - 27 Sep | airBaltic | ||
| 06 Sep - 13 Sep | Wizz Air UK |
Also check the deals for one-way flights from Tallinn to Porto in September.
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