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

Return flights

25 Aug - 03 Sep	Lufthansa
12 Aug - 16 Sep	Air Canada
12 Aug - 05 Sep	Air Canada
19 Aug - 24 Sep	American Airlines
18 Aug - 05 Sep	Lufthansa
25 Aug - 12 Sep	Finnair
27 Aug - 30 Sep	Finnair
24 Aug - 09 Sep	Finnair
19 Aug - 02 Sep	SWISS
23 Aug - 03 Sep	Austrian Airlines
07 Aug - 19 Aug	Austrian Airlines
17 Aug - 24 Aug	Brussels Airlines
07 Aug - 24 Aug	Brussels Airlines
16 Aug - 24 Aug	Brussels Airlines
10 Aug - 21 Aug	Brussels Airlines
11 Aug - 21 Aug	Brussels Airlines
12 Aug - 21 Aug	Brussels Airlines
13 Aug - 26 Aug	Lufthansa
19 Aug - 26 Aug	United
11 Aug - 26 Aug	Lufthansa

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 $386

Return flights