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

Return flights

30 Jun - 07 Jul	Air Canada
16 Jun - 30 Jun	Air Canada
30 Jun - 06 Jul	British Airways
20 Jun - 27 Jun	Scandinavian Airlines
26 Jun - 17 Jul	Scandinavian Airlines
16 Jun - 21 Jun	British Airways
22 Jun - 29 Jun	British Airways
19 Jun - 26 Jun	British Airways
25 Jun - 02 Jul	British Airways
21 Jun - 28 Jun	British Airways
24 Jun - 01 Jul	British Airways
28 Jun - 05 Jul	British Airways
27 Jun - 04 Jul	British Airways
29 Jun - 06 Jul	British Airways
23 Jun - 30 Jun	British Airways

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

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 June from $1062

Return flights