Cheapest one-way flights from Seattle to Dublin in October from $330

AirHint found the following cheapest one-way flights from Seattle (SEA) to Dublin (DUB) in October 2026 (see full year).

One-Way flights

09 Oct Icelandair
15 Oct Icelandair
28 Oct Lufthansa
28 Oct Aer Lingus direct
09 Oct Aer Lingus direct
15 Oct Aer Lingus direct

Also check the deals for return flights from Seattle to Dublin in October.

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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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