Cheapest return flights from Riga to Lisbon in May from 223€

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

Return flights

06 May - 16 May Ryanair
08 May - 19 May Lufthansa
08 May - 12 May Finnair
02 May - 09 May Ryanair
05 May - 15 May Ryanair
11 May - 19 May Lufthansa
04 May - 11 May airBaltic direct
15 May - 22 May airBaltic direct
11 May - 22 May airBaltic direct
01 May - 15 May Ryanair
30 May - 08 Jun airBaltic
30 May - 08 Jun airBaltic direct

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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