AirHint found the following cheapest one-way flights from Porto (OPO) to Riga (RIX) in December 2025 (see full year).
One-Way flights
| 17 Dec | Ryanair | ||
| 02 Dec | Ryanair | ||
| 18 Dec | Wizz Air Malta | ||
| 12 Dec | Ryanair | ||
| 15 Dec | Ryanair | ||
| 08 Dec | Ryanair | ||
| 07 Dec | Ryanair | ||
| 22 Dec | Ryanair | ||
| 06 Dec | Vueling Airlines | ||
| 04 Dec | Ryanair |
Also check the deals for return flights from Porto to Riga in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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