AirHint found the following cheapest return flights from Washington (IAD) to Copenhagen (CPH) in January 2026 (see full year).

Return flights

28 Jan - 04 Feb	Icelandair
18 Jan - 22 Jan	Icelandair
18 Jan - 23 Jan	Icelandair
19 Jan - 24 Jan	Icelandair
22 Jan - 27 Jan	Icelandair
20 Jan - 24 Jan	Icelandair
21 Jan - 28 Jan	Icelandair
23 Jan - 30 Jan	Icelandair
27 Jan - 03 Feb	Icelandair
29 Jan - 05 Feb	Icelandair
31 Jan - 07 Feb	Icelandair
24 Jan - 31 Jan	Icelandair
21 Jan - 26 Jan	Icelandair
17 Jan - 21 Jan	Icelandair
29 Jan - 05 Feb	Scandinavian Airlines	direct
31 Jan - 07 Feb	Scandinavian Airlines	direct
26 Jan - 02 Feb	Scandinavian Airlines	direct
30 Jan - 06 Feb	SWISS
25 Jan - 01 Feb	Austrian Airlines

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

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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from Washington to Copenhagen in January from $418

Return flights