AirHint found the following cheapest return flights from Porto (OPO) to Riga (RIX) in January 2026 (see full year).
Return flights
| 12 Jan - 17 Jan | Ryanair | ||
| 26 Jan - 31 Jan | Ryanair | ||
| 21 Jan - 25 Jan | Ryanair | ||
| 29 Jan - 01 Feb | Ryanair | ||
| 16 Jan - 19 Jan | Ryanair | ||
| 15 Jan - 18 Jan | Ryanair | ||
| 24 Jan - 28 Jan | Ryanair |
Also check the deals for one-way flights from Porto to Riga in January.
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