Cheapest return flights from Seattle to Dublin in June from 598€

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

Return flights

02 Jun - 09 Jun Aer Lingus direct
23 Jun - 01 Jul Air Canada
29 Jun - 07 Jul Air Canada
30 Jun - 08 Jul Air Canada
27 Jun - 05 Jul Icelandair
25 Jun - 03 Jul Icelandair
26 Jun - 04 Jul Icelandair
24 Jun - 02 Jul Icelandair
28 Jun - 06 Jul Air Canada
11 Jun - 27 Jun Icelandair
11 Jun - 26 Jun Icelandair
06 Jun - 13 Jun Aer Lingus direct
21 Jun - 26 Jun Icelandair
24 Jun - 02 Jul Aer Lingus direct
30 Jun - 08 Jul Aer Lingus direct
21 Jun - 28 Jun Aer Lingus direct
16 Jun - 23 Jun Aer Lingus direct
11 Jun - 27 Jun Aer Lingus direct
21 Jun - 26 Jun Aer Lingus direct

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

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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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