AirHint found the following cheapest return flights from Duesseldorf (DUS) to Boston (BOS) in August 2025 (see full year).

Return flights

15 Aug - 31 Aug	KLM
25 Aug - 08 Sep	KLM
25 Aug - 05 Sep	KLM
27 Aug - 03 Sep	KLM
14 Aug - 24 Aug	Delta
18 Aug - 24 Aug	Delta
05 Aug - 17 Aug	Air France
07 Aug - 13 Aug	Lufthansa
07 Aug - 21 Aug	Lufthansa
07 Aug - 14 Aug	Lufthansa
02 Aug - 10 Aug	KLM
30 Aug - 13 Sep	Aer Lingus
01 Aug - 15 Aug	Lufthansa
11 Aug - 25 Aug	Aer Lingus

Also check the deals for one-way flights from Duesseldorf to Boston 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 Duesseldorf to Boston in August from $539

Return flights