AirHint found the following cheapest one-way flights from Lisbon (LIS) to Riga (RIX) in April 2026 (see full year).
One-Way flights
| 28 Apr | Ryanair | ||
| 29 Apr | Ryanair | ||
| 10 Apr | Wizz Air Malta | ||
| 27 Apr | Ryanair | ||
| 19 Apr | Vueling Airlines | ||
| 04 Apr | Ryanair | ||
| 07 Apr | Ryanair | ||
| 06 Apr | Ryanair | ||
| 05 Apr | Ryanair | ||
| 04 Apr | airBaltic | direct |
Also check the deals for return flights from Lisbon to Riga in April.
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