Cheapest return flights from Seattle to Copenhagen in April from $413

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

Return flights

13 Apr - 09 May Icelandair
09 Apr - 18 Apr Icelandair
09 Apr - 16 Apr Icelandair
14 Apr - 21 Apr Icelandair
19 Apr - 26 Apr Icelandair
24 Apr - 01 May Icelandair
29 Apr - 06 May Icelandair
04 Apr - 11 Apr Icelandair

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

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