AirHint found the following cheapest one-way flights from Riga (RIX) to Lisbon (LIS) in May 2026 (see full year).
One-Way flights
| 25 May | Ryanair | ||
| 21 May | Ryanair | ||
| 23 May | airBaltic | ||
| 18 May | airBaltic | ||
| 25 May | airBaltic | direct | |
| 08 May | airBaltic | direct | |
| 18 May | airBaltic | direct | |
| 22 May | airBaltic | direct | |
| 04 May | airBaltic | direct |
Also check the deals for return flights from Riga to Lisbon in May.
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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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