Cheapest return flights from Seattle to Dublin in April from 358€

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

Return flights

15 Apr - 22 Apr Icelandair
28 Apr - 12 May Icelandair
20 Apr - 27 Apr Icelandair
25 Apr - 02 May Icelandair
15 Apr - 22 Apr Aer Lingus direct
28 Apr - 12 May Aer Lingus direct
20 Apr - 27 Apr Aer Lingus direct
25 Apr - 02 May Aer Lingus direct
01 Apr - 10 Apr Aer Lingus
01 Apr - 10 Apr Aer Lingus direct
10 Apr - 19 Apr Lufthansa
10 Apr - 19 Apr Aer Lingus direct

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

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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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