Cheapest return flights from Seattle to Dublin in May from $560

Best time to book flights for Seattle (SEA) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Dublin (DUB) in May 2025 (see full year).

Return flights

07 May - 14 May Icelandair
20 May - 05 Jun Icelandair
20 May - 27 May Icelandair
14 May - 21 May Icelandair
11 May - 18 May Icelandair
12 May - 19 May Icelandair
06 May - 13 May Aer Lingus direct
07 May - 14 May Aer Lingus direct
13 May - 20 May Aer Lingus direct
14 May - 21 May Aer Lingus direct
27 May - 03 Jun Aer Lingus direct
20 May - 05 Jun Aer Lingus direct
04 May - 20 May Aer Lingus direct
29 May - 05 Jun Icelandair
30 May - 05 Jun Scandinavian Airlines
30 May - 06 Jun Scandinavian Airlines
29 May - 05 Jun Aer Lingus direct
30 May - 06 Jun Aer Lingus direct
30 May - 05 Jun Aer Lingus direct
19 May - 01 Jun Air Canada

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

Skyscanner

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin