Cheapest return flights from Dublin to San Jose in December from 671€

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

Return flights

08 Dec - 15 Jan Ryanair
03 Dec - 10 Dec United
24 Dec - 30 Jan United
17 Dec - 31 Dec United
27 Dec - 22 Jan United
17 Dec - 08 Jan United
01 Dec - 21 Dec KLM
24 Dec - 10 Jan United
30 Dec - 12 Jan United
27 Dec - 11 Jan United
24 Dec - 17 Jan Aer Lingus
29 Dec - 16 Jan United
29 Dec - 12 Jan United

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

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