Cheapest return flights from Seattle to Dublin in June from $711

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

Return flights

07 Jun - 15 Jun Alaska Airlines
12 Jun - 19 Jun Air Canada
11 Jun - 18 Jun Icelandair
15 Jun - 22 Jun WestJet
13 Jun - 20 Jun Icelandair
14 Jun - 21 Jun WestJet
17 Jun - 24 Jun Air Canada
19 Jun - 21 Jun WestJet
19 Jun - 23 Jun WestJet
19 Jun - 26 Jun WestJet
19 Jun - 17 Jul WestJet
19 Jun - 17 Jul Aer Lingus direct

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

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