Cheapest return flights from Riga to Porto in May from $199

Best time to book flights for Riga (RIX) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Riga (RIX) to Porto (OPO) in May 2025 (see full year).

Return flights

17 May - 20 May Ryanair
06 May - 09 May Ryanair
10 May - 21 May Ryanair
08 May - 11 May Ryanair
10 May - 14 May Ryanair
08 May - 12 May Ryanair
17 May - 21 May airBaltic
17 May - 19 May Ryanair
14 May - 21 May Ryanair
19 May - 26 May Ryanair
31 May - 04 Jun Ryanair
26 May - 03 Jun Norwegian Air Sweden AOC
24 May - 07 Jun Ryanair
31 May - 07 Jun Ryanair
31 May - 07 Jun airBaltic direct
31 May - 04 Jun airBaltic direct
24 May - 07 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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