Cheapest return SEA–CPH flights, May

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

Return flights

31 May - 05 Jun Icelandair
22 May - 26 May Delta
24 May - 31 May KLM
27 May - 30 May Lufthansa
26 May - 29 May Icelandair
30 May - 04 Jun Delta
31 May - 05 Jun Scandinavian Airlines direct
31 May - 07 Jun Scandinavian Airlines direct
29 May - 05 Jun Scandinavian Airlines direct
30 May - 06 Jun Scandinavian Airlines direct
26 May - 02 Jun Scandinavian Airlines direct
27 May - 03 Jun Scandinavian Airlines
23 May - 30 May Scandinavian Airlines
24 May - 31 May Scandinavian Airlines direct
28 May - 04 Jun Scandinavian Airlines
23 May - 30 May Scandinavian Airlines direct
22 May - 29 May Scandinavian Airlines
22 May - 29 May Scandinavian Airlines direct
22 May - 26 May Scandinavian Airlines direct

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

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