AirHint found the following cheapest return flights from Lisbon (LIS) to Riga (RIX) in April 2026 (see full year).
Return flights
| 24 Apr - 02 May | Ryanair | ||
| 27 Apr - 05 May | Ryanair | ||
| 24 Apr - 02 May | airBaltic | direct |
Also check the deals for one-way flights from Lisbon to Riga in April.
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