AirHint found the following cheapest one-way flights from Lisbon (LIS) to Riga (RIX) in August 2026 (see full year).
One-Way flights
| 31 Aug | Ryanair | ||
| 22 Aug | Scandinavian Airlines | ||
| 21 Aug | Ryanair | ||
| 25 Aug | Ryanair | ||
| 07 Aug | Finnair | ||
| 31 Aug | airBaltic | direct | |
| 29 Aug | airBaltic | direct | |
| 21 Aug | airBaltic | direct | |
| 07 Aug | airBaltic | direct |
Also check the deals for return flights from Lisbon to Riga in August.
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