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

Return flights

10 Aug - 19 Aug	Icelandair
09 Aug - 19 Aug	Icelandair
17 Aug - 25 Aug	Icelandair
19 Aug - 26 Aug	Icelandair
11 Aug - 26 Aug	Iberia
28 Aug - 04 Sep	Icelandair
06 Aug - 20 Aug	KLM
04 Aug - 31 Aug	Scandinavian Airlines
04 Aug - 30 Aug	Scandinavian Airlines
05 Aug - 30 Aug	Scandinavian Airlines
13 Aug - 23 Aug	Scandinavian Airlines
04 Aug - 01 Sep	Scandinavian Airlines
31 Aug - 03 Sep	Aer Lingus
27 Aug - 03 Sep	Lufthansa
31 Aug - 07 Sep	Scandinavian Airlines
27 Aug - 01 Sep	Brussels Airlines
29 Aug - 05 Sep	United

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 $489

Return flights