Cheapest one-way flights from Seattle to Dublin in April from $207

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

One-Way flights

21 Apr Icelandair
14 Apr Icelandair
19 Apr Icelandair
18 Apr Icelandair
20 Apr Icelandair
14 Apr Aer Lingus direct
19 Apr Aer Lingus direct
20 Apr Aer Lingus direct
21 Apr Aer Lingus direct
18 Apr Aer Lingus direct

Also check the deals for return 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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