Cheapest return flights from Seattle to Dublin in January from 413€

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

Return flights

13 Jan - 22 Jan Icelandair
20 Jan - 27 Jan Icelandair
22 Jan - 29 Jan Icelandair
28 Jan - 04 Feb Icelandair
30 Jan - 06 Feb Icelandair
26 Jan - 02 Feb Icelandair
06 Jan - 29 Jan Icelandair
06 Jan - 13 Jan Icelandair
24 Jan - 31 Jan Icelandair
02 Jan - 08 Jan Lufthansa
18 Jan - 25 Jan Icelandair
16 Jan - 23 Jan Icelandair
03 Jan - 08 Jan Lufthansa

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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