AirHint found the following cheapest return flights from Newark (EWR) to Warsaw (WAW) in August 2025 (see full year).

Return flights

26 Aug - 12 Sep	SWISS
25 Aug - 10 Sep	SWISS
26 Aug - 09 Sep	SWISS
26 Aug - 10 Sep	SWISS
11 Aug - 10 Sep	Austrian Airlines
31 Aug - 08 Sep	SWISS
20 Aug - 09 Sep	United
12 Aug - 23 Sep	United
20 Aug - 29 Aug	United
24 Aug - 09 Sep	Austrian Airlines
26 Aug - 12 Sep	LOT	direct
11 Aug - 28 Aug	Scandinavian Airlines
13 Aug - 20 Aug	Lufthansa
10 Aug - 28 Aug	Scandinavian Airlines
13 Aug - 21 Aug	Scandinavian Airlines
10 Aug - 14 Aug	Scandinavian Airlines
11 Aug - 18 Aug	Delta
22 Aug - 29 Aug	United
14 Aug - 29 Aug	United
20 Aug - 28 Aug	Scandinavian Airlines

Also check the deals for one-way flights from Newark to Warsaw 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 Newark to Warsaw in August from 331€

Return flights