Cheapest return flights from Seattle to Dublin in January from 362€

AirHint found the following cheapest return flights from Seattle (SEA) to Dublin (DUB) in January 2026 (see full year).

Return flights

20 Jan - 27 Jan Icelandair
22 Jan - 29 Jan Icelandair
21 Jan - 01 Feb Icelandair
28 Jan - 04 Feb Icelandair
30 Jan - 06 Feb Icelandair
10 Jan - 17 Jan Icelandair
12 Jan - 19 Jan Icelandair
18 Jan - 25 Jan Icelandair
26 Jan - 02 Feb Icelandair
14 Jan - 21 Jan Icelandair
24 Jan - 31 Jan Icelandair
05 Jan - 12 Jan Icelandair
25 Jan - 28 Jan WestJet
03 Jan - 09 Jan Alaska Airlines

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

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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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