Cheapest return LIS–RIX flights, May

AirHint found the following cheapest return flights from Lisbon (LIS) to Riga (RIX) in May 2026 (see full year).

Return flights

15 May - 25 May Ryanair
11 May - 20 May Ryanair
11 May - 15 May Ryanair
18 May - 25 May Ryanair
01 May - 09 May Vueling Airlines
23 May - 01 Jun Vueling Airlines
04 May - 08 May Ryanair
02 May - 28 May Vueling Airlines
22 May - 30 May Ryanair
20 May - 22 May Ryanair
15 May - 22 May Ryanair
29 May - 01 Jun TAP

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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