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

Return flights

07 Jun - 19 Jun	United
06 Jun - 13 Jun	United
05 Jun - 14 Jun	Lufthansa
05 Jun - 12 Jun	Icelandair
02 Jun - 09 Jun	British Airways
08 Jun - 15 Jun	British Airways
09 Jun - 16 Jun	British Airways
01 Jun - 08 Jun	British Airways
10 Jun - 17 Jun	British Airways
08 Jun - 21 Jun	SWISS
29 Jun - 06 Jul	British Airways
30 Jun - 07 Jul	British Airways
25 Jun - 02 Jul	Icelandair
25 Jun - 02 Jul	Scandinavian Airlines	direct
27 Jun - 04 Jul	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 525€

Return flights