AirHint found the following cheapest return flights from Dublin (DUB) to Riga (RIX) in December 2025 (see full year).

Return flights

09 Dec - 12 Dec	Ryanair
08 Dec - 12 Dec	Ryanair
14 Dec - 17 Dec	Ryanair
14 Dec - 20 Dec	Ryanair
12 Dec - 19 Dec	Ryanair	direct
07 Dec - 12 Dec	Ryanair
10 Dec - 12 Dec	Ryanair
07 Dec - 13 Dec	Ryanair
14 Dec - 18 Dec	Ryanair
08 Dec - 13 Dec	Ryanair
14 Dec - 11 Jan	Ryanair
13 Dec - 21 Jan	Ryanair
31 Dec - 06 Jan	Ryanair
13 Dec - 21 Jan	Ryanair	direct
12 Dec - 05 Jan	Ryanair
19 Dec - 09 Jan	Ryanair
22 Dec - 01 Jan	Ryanair
26 Dec - 07 Jan	Ryanair
24 Dec - 07 Jan	Finnair
28 Dec - 01 Jan	Ryanair

Also check the deals for one-way flights from Dublin to Riga in December.

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 Dublin to Riga in December from 98€

Return flights