Cheapest return flights from Washington to Dublin in January from $589

AirHint found the following cheapest return flights from Washington (DCA) to Dublin (DUB) in January 2026 (see full year).

Return flights

05 Jan - 14 Jan Air Canada
04 Jan - 13 Jan United
19 Jan - 23 Jan Icelandair
13 Jan - 21 Jan Icelandair
13 Jan - 20 Jan Icelandair
26 Jan - 30 Jan Icelandair
30 Jan - 08 Feb Scandinavian Airlines
14 Jan - 19 Jan Air Canada
06 Jan - 13 Jan American Airlines
08 Jan - 22 Jan United
22 Jan - 29 Jan Icelandair
28 Jan - 04 Feb jetBlue

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

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