AirHint found the following cheapest return flights from Washington (IAD) to Berlin (BER) in August 2025 (see full year).

Return flights

17 Aug - 26 Aug	Lufthansa
19 Aug - 26 Aug	Lufthansa
19 Aug - 13 Sep	Lufthansa
20 Aug - 13 Sep	Lufthansa
24 Aug - 30 Aug	SWISS
25 Aug - 05 Sep	SWISS
23 Aug - 13 Sep	Iberia
26 Aug - 02 Sep	Lufthansa
21 Aug - 28 Aug	Lufthansa
24 Aug - 31 Aug	Lufthansa
20 Aug - 27 Aug	Lufthansa
24 Aug - 28 Aug	Icelandair
31 Aug - 07 Sep	SWISS
27 Aug - 20 Sep	British Airways
25 Aug - 01 Sep	SWISS
23 Aug - 30 Aug	SWISS
30 Aug - 06 Sep	Lufthansa
30 Aug - 07 Sep	Lufthansa
16 Aug - 23 Aug	Austrian Airlines
22 Aug - 29 Aug	Lufthansa

Also check the deals for one-way flights from Washington to Berlin in August.

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 Berlin in August from 486€

Return flights