Cheapest return flights from Seattle to Copenhagen in August from 633€

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

09 Aug - 25 Aug British Airways
22 Aug - 29 Aug British Airways
22 Aug - 29 Aug Scandinavian Airlines direct
10 Aug - 25 Aug British Airways
11 Aug - 25 Aug British Airways
10 Aug - 25 Aug Scandinavian Airlines direct
11 Aug - 25 Aug Scandinavian Airlines direct
07 Aug - 25 Aug British Airways
07 Aug - 23 Aug Finnair
08 Aug - 25 Aug British Airways
27 Aug - 03 Sep 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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