Cheapest return flights from Seattle to Copenhagen in August from $472

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

10 Aug - 22 Aug Icelandair
09 Aug - 20 Aug Icelandair
09 Aug - 21 Aug Icelandair
01 Aug - 16 Aug Icelandair
12 Aug - 19 Aug Icelandair
25 Aug - 08 Sep Icelandair
06 Aug - 13 Aug Icelandair
09 Aug - 16 Aug Icelandair
12 Aug - 17 Aug Icelandair
13 Aug - 18 Aug Icelandair
28 Aug - 04 Sep Icelandair
03 Aug - 10 Aug Icelandair
25 Aug - 08 Sep Scandinavian Airlines direct
16 Aug - 17 Sep Scandinavian Airlines direct

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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