Cheapest return flights from Seattle to Copenhagen in April from 400€

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

Return flights

02 Apr - 09 Apr Icelandair
07 Apr - 14 Apr Icelandair
12 Apr - 19 Apr Icelandair
17 Apr - 24 Apr Icelandair
22 Apr - 29 Apr Icelandair
15 Apr - 22 Apr Icelandair
27 Apr - 04 May Icelandair
09 Apr - 17 Apr Icelandair
09 Apr - 18 Apr Icelandair

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

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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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