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Results refresh when you open or revisit this page. Last snapshot: Jul 17, 2026.

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Cheapest one-way flights from Riga (RIX) to Porto (OPO), September

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
30 Sep	Ryanair
23 Sep	Ryanair
01 Sep	Norwegian Air Sweden AOC
02 Sep	Ryanair
05 Sep	Norwegian Air Sweden AOC
12 Sep	Norwegian Air Sweden AOC
13 Sep	Ryanair
30 Sep	airBaltic Direct Flight
12 Sep	airBaltic Direct Flight
05 Sep	airBaltic Direct Flight

deals for return flights from Riga to Porto in September.

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Updated Jul 17, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Riga (RIX) to Porto (OPO), September

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