Cheapest return flights from Riga to Lisbon in May from $272

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

Return flights

07 May - 12 May Lufthansa
23 May - 29 May Ryanair
25 May - 06 Jun Ryanair
16 May - 22 May Ryanair
11 May - 16 May Ryanair
23 May - 27 May Lufthansa
04 May - 09 May airBaltic
25 May - 29 May Ryanair
11 May - 15 May Lufthansa
11 May - 18 May Ryanair
25 May - 06 Jun airBaltic direct
21 May - 29 May Lufthansa

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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