Cheapest return flights from Seattle to Copenhagen in August from $567

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 August 2025 (see full year).

Return flights

12 Aug - 19 Aug Icelandair
17 Aug - 24 Aug Icelandair
22 Aug - 29 Aug Icelandair
27 Aug - 03 Sep Icelandair
30 Aug - 12 Sep Delta
28 Aug - 10 Sep Icelandair
30 Aug - 12 Sep Scandinavian Airlines direct
07 Aug - 14 Aug Icelandair
02 Aug - 09 Aug Icelandair

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

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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