Cheapest return flights from Seattle to Copenhagen in October from 515€

AirHint found the following cheapest return flights from Seattle (SEA) to Copenhagen (CPH) in October 2026 (see full year).

Return flights

13 Oct - 20 Oct Icelandair
14 Oct - 21 Oct Icelandair
20 Oct - 27 Oct Icelandair
21 Oct - 28 Oct Icelandair
06 Oct - 13 Oct Icelandair
07 Oct - 14 Oct Icelandair
01 Oct - 08 Oct Icelandair
16 Oct - 23 Oct Icelandair
18 Oct - 25 Oct Icelandair
02 Oct - 09 Oct Icelandair

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

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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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