Cheapest return flights from Lisbon to Riga in May from 241€

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

Return flights

08 May - 11 May Vueling Airlines
27 May - 31 May Lufthansa
28 May - 31 May Norwegian Air Sweden AOC
07 May - 10 May Lufthansa
25 May - 29 May Lufthansa
15 May - 18 May Ryanair
08 May - 10 May SWISS
14 May - 17 May Finnair
12 May - 12 May KLM
09 May - 10 May Finnair

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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