Cheapest return flights from Seattle to Copenhagen in January from 383€

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

Return flights

19 Jan - 26 Jan Icelandair
24 Jan - 31 Jan Icelandair
08 Jan - 15 Jan Icelandair
11 Jan - 18 Jan Icelandair
29 Jan - 05 Feb Icelandair
05 Jan - 12 Jan Icelandair
14 Jan - 21 Jan Icelandair
06 Jan - 31 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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