Cheapest return flights from Washington to Dublin in December from 734€

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

Return flights

27 Dec - 13 Jan SWISS
31 Dec - 07 Jan Icelandair
31 Dec - 06 Jan Icelandair
28 Dec - 09 Jan SWISS
30 Dec - 05 Jan Air Canada
29 Dec - 10 Jan TAP
28 Dec - 09 Jan Aer Lingus direct
30 Dec - 06 Jan Icelandair
29 Dec - 06 Jan TAP
27 Dec - 13 Jan Aer Lingus direct

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

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