Cheapest return flights from Riga to Porto in May from $213

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

Return flights

05 May - 09 May Ryanair
20 May - 26 May Ryanair
09 May - 13 May airBaltic
20 May - 11 Jun Ryanair
06 May - 09 May Ryanair
18 May - 23 May Scandinavian Airlines
12 May - 16 May Ryanair
02 May - 08 May Norwegian Air Sweden AOC
02 May - 06 May Norwegian Air Sweden AOC
20 May - 30 May Ryanair
13 May - 16 May Ryanair
27 May - 27 Jun Ryanair
30 May - 03 Jun airBaltic
30 May - 03 Jun airBaltic direct
27 May - 27 Jun airBaltic direct

Also check the deals for one-way flights from Riga to Porto 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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