Cheapest return flights from Riga to Lisbon in May from 175€

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

Return flights

12 May - 16 May Norwegian Air Sweden AOC
20 May - 24 May Norwegian Air Sweden AOC
09 May - 14 May Norwegian Air Sweden AOC
09 May - 23 May Ryanair
02 May - 08 May Scandinavian Airlines
01 May - 07 May Norwegian Air Sweden AOC
15 May - 19 May Ryanair
22 May - 25 May Ryanair
01 May - 05 May Norwegian Air Sweden AOC
15 May - 22 May Ryanair

Also check the deals for one-way 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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