Cheapest return flights from Washington to Copenhagen in December from 330€

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

Return flights

05 Dec - 12 Dec TAP
06 Dec - 13 Dec TAP
08 Dec - 15 Dec Scandinavian Airlines
13 Dec - 18 Dec Icelandair
01 Dec - 14 Dec TAP
06 Dec - 15 Dec Scandinavian Airlines direct
04 Dec - 17 Dec Lufthansa
01 Dec - 16 Dec Lufthansa
03 Dec - 18 Dec Lufthansa
02 Dec - 09 Dec Icelandair
25 Dec - 17 Jan Icelandair
26 Dec - 17 Jan KLM
15 Dec - 10 Jan SWISS
22 Dec - 17 Jan Icelandair
25 Dec - 17 Jan Scandinavian Airlines direct
15 Dec - 10 Jan Scandinavian Airlines direct
30 Dec - 06 Jan Icelandair
18 Dec - 10 Jan Icelandair
19 Dec - 10 Jan Icelandair
09 Dec - 03 Jan TAP

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

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