AirHint found the following cheapest return flights from Lisbon (LIS) to Riga (RIX) in May 2026 (see full year).
Return flights
| 14 May - 19 May | Ryanair | ||
| 27 May - 03 Jun | Lufthansa | ||
| 02 May - 04 May | Air France | ||
| 29 May - 05 Jun | airBaltic | direct | |
| 01 May - 03 May | Ryanair | ||
| 02 May - 04 May | TAP | direct |
Also check the deals for one-way flights from Lisbon to Riga 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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