Cheapest return flights from Seattle to Copenhagen in January from 384€

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

Return flights

07 Jan - 14 Jan Icelandair
10 Jan - 17 Jan Icelandair
13 Jan - 20 Jan Icelandair
22 Jan - 29 Jan Icelandair
25 Jan - 01 Feb Icelandair
28 Jan - 04 Feb Icelandair
31 Jan - 07 Feb Icelandair
16 Jan - 23 Jan Icelandair
19 Jan - 26 Jan Icelandair
15 Jan - 19 Jan Scandinavian Airlines
04 Jan - 11 Jan Icelandair
02 Jan - 09 Jan Icelandair

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

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