Cheapest return flights from Washington to Dublin in April from $549

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

Return flights

24 Apr - 04 May jetBlue
27 Apr - 23 May Scandinavian Airlines
13 Apr - 21 Apr Air Canada
01 Apr - 08 Apr KLM
02 Apr - 09 Apr Air Canada
18 Apr - 25 Apr Air Canada
03 Apr - 18 Apr Air Canada
10 Apr - 18 Apr Air Canada
06 Apr - 09 Apr Air Canada
21 Apr - 28 Apr jetBlue
16 Apr - 23 Apr jetBlue
03 Apr - 11 Apr Icelandair

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

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