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

Return flights

11 Aug - 19 Aug	SWISS
13 Aug - 20 Aug	Lufthansa
06 Aug - 20 Aug	Lufthansa
14 Aug - 21 Aug	Finnair
18 Aug - 25 Aug	SWISS
19 Aug - 25 Aug	SWISS
26 Aug - 10 Sep	Finnair
24 Aug - 09 Sep	Finnair
27 Aug - 10 Sep	Finnair
26 Aug - 12 Sep	Finnair
02 Aug - 29 Sep	Finnair
10 Aug - 20 Aug	Delta
12 Aug - 27 Aug	Finnair
31 Aug - 19 Sep	Finnair
11 Aug - 02 Sep	SWISS
13 Aug - 29 Aug	United
19 Aug - 24 Sep	Brussels Airlines
06 Aug - 15 Sep	Brussels Airlines
05 Aug - 19 Aug	SWISS
26 Aug - 10 Sep	LOT	direct

Also check the deals for one-way flights from New York 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 New York to Warsaw in August from 313€

Return flights