Cheapest return flights from Seattle to Dublin in August from $619

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 August 2025 (see full year).

Return flights

26 Aug - 02 Sep Aer Lingus direct
23 Aug - 13 Sep Icelandair
24 Aug - 14 Sep Icelandair
30 Aug - 09 Sep Scandinavian Airlines
23 Aug - 14 Sep Icelandair
19 Aug - 08 Sep British Airways
01 Aug - 12 Aug Icelandair
21 Aug - 28 Aug Aer Lingus direct
19 Aug - 08 Sep Aer Lingus direct
06 Aug - 13 Aug Icelandair
11 Aug - 18 Aug Icelandair
06 Aug - 13 Aug Aer Lingus direct
24 Aug - 14 Sep Aer Lingus direct
16 Aug - 23 Aug Aer Lingus direct
01 Aug - 08 Aug Aer Lingus direct
01 Aug - 12 Aug Aer Lingus direct
11 Aug - 18 Aug Aer Lingus direct
30 Aug - 09 Sep Aer Lingus direct
23 Aug - 13 Sep Aer Lingus direct

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

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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