Cheapest return flights from Porto to Riga in August from $264

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

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

Return flights

04 Aug - 10 Aug Ryanair
27 Aug - 03 Sep Norwegian
26 Aug - 31 Aug Ryanair
06 Aug - 09 Aug Ryanair
18 Aug - 26 Aug Ryanair
10 Aug - 24 Aug Ryanair
20 Aug - 20 Aug Ryanair
13 Aug - 23 Aug Ryanair
18 Aug - 18 Aug Ryanair
03 Aug - 15 Aug easyJet
13 Aug - 23 Aug airBaltic direct
27 Aug - 03 Sep airBaltic direct

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

Skyscanner

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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