Cheapest return flights from Seattle to Dublin in April from 396€

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

Return flights

21 Apr - 28 Apr Icelandair
07 Apr - 14 Apr Icelandair
08 Apr - 15 Apr Air Canada
13 Apr - 20 Apr Icelandair
01 Apr - 08 Apr Air Canada
20 Apr - 27 Apr Air Canada
21 Apr - 28 Apr Aer Lingus direct
15 Apr - 22 Apr Aer Lingus direct
13 Apr - 06 May Aer Lingus direct
18 Apr - 25 Apr Icelandair
09 Apr - 17 Apr Icelandair

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

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