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

Return flights

24 Apr - 16 May	Scandinavian Airlines	direct
23 Apr - 30 Apr	Scandinavian Airlines	direct
22 Apr - 29 Apr	Scandinavian Airlines	direct
11 Apr - 18 Apr	Icelandair
21 Apr - 28 Apr	Icelandair
12 Apr - 19 Apr	Icelandair
08 Apr - 23 Apr	Icelandair
02 Apr - 03 May	Air Canada
02 Apr - 09 Apr	United
01 Apr - 08 Apr	United
08 Apr - 23 Apr	Scandinavian Airlines	direct
11 Apr - 18 Apr	Scandinavian Airlines	direct
02 Apr - 03 May	Scandinavian Airlines	direct

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

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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Cheapest return flights from Washington to Copenhagen in April from 366€

Return flights