Cheapest one-way flights from Porto to Riga in August from $136

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

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

One-Way flights

27 Aug Norwegian Air Sweden AOC
26 Aug Ryanair
23 Aug Ryanair
08 Aug Ryanair
30 Aug Norwegian Air Sweden AOC
21 Aug Ryanair
31 Aug Ryanair
04 Aug Ryanair
19 Aug Ryanair
20 Aug Ryanair

Also check the deals for return 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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