Cheapest return flights from Washington to Copenhagen in December from $389

AirHint found the following cheapest return flights from Washington (IAD) to Copenhagen (CPH) in December 2025 (see full year).

Return flights

03 Dec - 11 Dec Scandinavian Airlines direct
03 Dec - 10 Dec Scandinavian Airlines direct
04 Dec - 08 Dec TAP
04 Dec - 08 Dec Scandinavian Airlines direct
03 Dec - 07 Dec Icelandair
04 Dec - 11 Dec Icelandair
24 Dec - 01 Jan Lufthansa
17 Dec - 01 Jan Lufthansa
24 Dec - 31 Dec United
14 Dec - 21 Dec United
25 Dec - 08 Jan Icelandair
25 Dec - 02 Jan Lufthansa
19 Dec - 02 Jan Icelandair
20 Dec - 27 Dec Scandinavian Airlines direct
19 Dec - 03 Jan Icelandair
20 Dec - 03 Jan Icelandair
24 Dec - 31 Dec Scandinavian Airlines direct
17 Dec - 01 Jan Scandinavian Airlines direct
24 Dec - 01 Jan Scandinavian Airlines direct
20 Dec - 03 Jan Scandinavian Airlines direct

Also check the deals for one-way flights from Washington to Copenhagen in December.

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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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