Cheapest return flights from Seattle to Dublin in June from $850

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

Return flights

28 Jun - 07 Jul Icelandair
18 Jun - 23 Jun Air Canada
20 Jun - 05 Jul Air Canada
15 Jun - 29 Jun Harbour Air
20 Jun - 04 Jul Frontier Airlines
15 Jun - 26 Jun Alaska Airlines
15 Jun - 04 Jul Lufthansa
20 Jun - 04 Jul Aer Lingus direct
15 Jun - 26 Jun Aer Lingus direct
18 Jun - 23 Jun Aer Lingus direct
28 Jun - 07 Jul Aer Lingus direct

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

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.

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