Cheapest return flights from Seattle to Copenhagen in April from 379€

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

Return flights

15 Apr - 23 Apr Icelandair
12 Apr - 20 Apr Icelandair
15 Apr - 22 Apr Icelandair
18 Apr - 25 Apr Icelandair
21 Apr - 28 Apr Icelandair
24 Apr - 01 May Icelandair
27 Apr - 04 May Icelandair
30 Apr - 07 May Icelandair
09 Apr - 16 Apr Icelandair
02 Apr - 09 Apr Icelandair
06 Apr - 13 Apr Icelandair
12 Apr - 19 Apr Icelandair

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

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