AirHint found the following cheapest one-way flights from Seattle (SEA) to Copenhagen (CPH) in May 2026 (see full year).
One-Way flights
| 06 May | Icelandair | ||
| 09 May | Icelandair | ||
| 08 May | Icelandair | ||
| 18 May | United | ||
| 22 May | Harbour Air | ||
| 22 May | Scandinavian Airlines | direct |
Also check the deals for return flights from Seattle to Copenhagen in May.
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