Cheapest return flights from Seattle to Copenhagen in May from 541€

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

15 May - 22 May Delta
18 May - 25 May Delta
01 May - 08 May Icelandair
05 May - 12 May Icelandair
07 May - 14 May Icelandair
09 May - 16 May Icelandair
12 May - 19 May Icelandair
09 May - 12 May Icelandair
27 May - 03 Jun Delta
21 May - 28 May Icelandair
22 May - 07 Jun Air France
30 May - 06 Jun 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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