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

Return flights

21 Mar - 26 Mar	British Airways
14 Mar - 19 Mar	British Airways
14 Mar - 22 Mar	British Airways
13 Mar - 19 Mar	British Airways
13 Mar - 22 Mar	British Airways
13 Mar - 21 Mar	Air Canada
13 Mar - 20 Mar	British Airways
04 Mar - 11 Mar	British Airways
06 Mar - 13 Mar	British Airways
20 Mar - 27 Mar	British Airways
27 Mar - 03 Apr	British Airways
28 Mar - 04 Apr	British Airways

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

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 March from $539

Return flights