Cheapest return flights from Seattle to Dublin in June from $616

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 Lufthansa
02 Jun - 09 Jun Aer Lingus direct
08 Jun - 30 Jun Aer Lingus direct
08 Jun - 01 Jul Air Canada
08 Jun - 03 Jul Air Canada
08 Jun - 02 Jul United
14 Jun - 04 Jul Air Canada
08 Jun - 04 Jul United
18 Jun - 07 Jul Finnair
18 Jun - 06 Jul Lufthansa
08 Jun - 05 Jul SWISS
08 Jun - 01 Jul Aer Lingus direct
08 Jun - 02 Jul 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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