Cheapest return flights from Porto to Riga in August from $232

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

Return flights

11 Aug - 14 Aug Ryanair
11 Aug - 25 Aug Ryanair
27 Aug - 30 Aug Norwegian
11 Aug - 16 Aug Ryanair
13 Aug - 17 Aug Ryanair
30 Aug - 06 Sep Norwegian Air Sweden AOC
26 Aug - 30 Aug Ryanair
23 Aug - 30 Aug Norwegian Air Sweden AOC
18 Aug - 25 Aug Norwegian
20 Aug - 23 Aug Norwegian
11 Aug - 15 Aug Ryanair
30 Aug - 03 Sep Norwegian Air Sweden AOC
29 Aug - 02 Sep Norwegian
26 Aug - 01 Sep Ryanair
26 Aug - 04 Sep Vueling Airlines
29 Aug - 01 Sep Norwegian
02 Aug - 17 Sep Ryanair
30 Aug - 03 Sep airBaltic direct
30 Aug - 06 Sep airBaltic direct
20 Aug - 03 Sep airBaltic direct

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

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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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