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

Return flights

01 Dec - 12 Dec	Ryanair	direct
08 Dec - 11 Dec	airBaltic	direct
08 Dec - 15 Dec	airBaltic	direct
09 Dec - 12 Dec	Ryanair
02 Dec - 05 Dec	Ryanair
01 Dec - 02 Dec	Ryanair
10 Dec - 12 Dec	Ryanair
03 Dec - 05 Dec	Ryanair
10 Dec - 12 Dec	Ryanair	direct
08 Dec - 10 Dec	airBaltic
26 Dec - 06 Jan	Aer Lingus
26 Dec - 04 Jan	Aer Lingus
28 Dec - 07 Jan	Ryanair
25 Dec - 07 Jan	Scandinavian Airlines
19 Dec - 06 Jan	Finnair
23 Dec - 05 Jan	Finnair
17 Dec - 07 Jan	Scandinavian Airlines
23 Dec - 01 Jan	Finnair
22 Dec - 05 Jan	Finnair
18 Dec - 01 Jan	Finnair

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 76€

Return flights