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

Return flights

17 Nov - 24 Nov	Icelandair
12 Nov - 19 Nov	Icelandair
09 Nov - 15 Nov	Icelandair
07 Nov - 14 Nov	Icelandair
10 Nov - 17 Nov	Icelandair
28 Nov - 05 Dec	Icelandair
02 Nov - 22 Nov	Icelandair
12 Nov - 19 Nov	Aer Lingus	direct
03 Nov - 12 Nov	Aer Lingus	direct
10 Nov - 19 Nov	Aer Lingus	direct
04 Nov - 11 Nov	United
28 Nov - 05 Dec	Aer Lingus	direct
19 Nov - 13 Dec	United
27 Nov - 31 Dec	Lufthansa

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

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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Cheapest return flights from Seattle to Dublin in November from 387€

Return flights