Cheapest return flights from Seattle to Copenhagen in May from 447€

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

Return flights

10 May - 27 May Icelandair
12 May - 27 May Icelandair
05 May - 12 May Icelandair
10 May - 17 May Icelandair
15 May - 22 May Icelandair
20 May - 27 May Icelandair
14 May - 28 May Delta
21 May - 30 May Air France
22 May - 29 May Lufthansa
25 May - 01 Jun Icelandair
30 May - 06 Jun Icelandair
22 May - 29 May Scandinavian Airlines direct

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

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