AirHint found the following cheapest return flights from Lisbon (LIS) to Riga (RIX) in August 2026 (see full year).
Return flights
| 25 Aug - 29 Aug | Scandinavian Airlines | ||
| 27 Aug - 31 Aug | KLM | ||
| 31 Aug - 04 Sep | Finnair | ||
| 24 Aug - 28 Aug | Finnair | ||
| 24 Aug - 28 Aug | airBaltic | direct | |
| 31 Aug - 04 Sep | airBaltic | direct |
Also check the deals for one-way flights from Lisbon to Riga in August.
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