Cheapest return flights from Seattle to Copenhagen in May from 559€

Best time to book flights for Seattle (SEA) to Copenhagen (CPH) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Copenhagen (CPH) in May 2025 (see full year).

Return flights

09 May - 16 May Icelandair
14 May - 21 May Icelandair
01 May - 08 May Icelandair
04 May - 11 May Icelandair
01 May - 08 Jun Icelandair
01 May - 09 Jun Icelandair
29 May - 05 Jun Icelandair
19 May - 26 May Icelandair
24 May - 31 May Icelandair

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

Skyscanner

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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