Cheapest return flights from Washington to Dublin in December from 304€

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

Return flights

02 Dec - 09 Dec Aer Lingus direct
04 Dec - 11 Dec Icelandair
04 Dec - 11 Dec Aer Lingus direct
03 Dec - 17 Dec Icelandair
30 Dec - 13 Jan Icelandair
03 Dec - 17 Dec Aer Lingus direct
30 Dec - 13 Jan Aer Lingus direct
14 Dec - 21 Dec United
07 Dec - 14 Dec Iberia
11 Dec - 16 Dec Iberia
07 Dec - 17 Dec Iberia
09 Dec - 16 Dec British Airways
18 Dec - 12 Jan Icelandair
27 Dec - 03 Jan Air Canada
27 Dec - 03 Jan Aer Lingus direct

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

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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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