Cheapest return flights from Portland to Dublin in December from 347€

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

Return flights

01 Dec - 12 Dec Icelandair
01 Dec - 09 Dec Delta
01 Dec - 23 Dec KLM
08 Dec - 23 Dec KLM
21 Dec - 11 Jan United
18 Dec - 10 Jan Air France
02 Dec - 19 Dec Lufthansa
30 Dec - 06 Jan Air France
19 Dec - 11 Jan United
25 Dec - 31 Dec United
20 Dec - 11 Jan United
26 Dec - 31 Dec Finnair
25 Dec - 01 Jan United
27 Dec - 01 Jan Delta

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

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