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

Return flights

25 Nov - 29 Nov	Ryanair
25 Nov - 30 Nov	Ryanair
26 Nov - 29 Nov	Ryanair
28 Nov - 03 Dec	Ryanair
30 Nov - 02 Dec	Jet2
19 Nov - 29 Nov	Ryanair
29 Nov - 04 Dec	Ryanair
29 Nov - 02 Dec	Ryanair
22 Nov - 29 Nov	Iberia
28 Nov - 01 Dec	Ryanair
22 Nov - 25 Nov	Iberia
29 Nov - 01 Dec	Vueling Airlines
19 Nov - 22 Nov	Ryanair
24 Nov - 30 Nov	Ryanair
27 Nov - 30 Nov	Ryanair
20 Nov - 24 Nov	TAP

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

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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Cheapest return flights from Porto to Riga in November from $182

Return flights