Cheapest return flights from New York to Warsaw in September from $374

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

Return flights

30 Sep - 30 Oct Scandinavian Airlines
30 Sep - 25 Oct Scandinavian Airlines
24 Sep - 08 Oct Austrian Airlines
29 Sep - 15 Oct Austrian Airlines
21 Sep - 07 Oct Brussels Airlines
24 Sep - 30 Sep American Airlines
21 Sep - 21 Oct Brussels Airlines
21 Sep - 08 Oct Brussels Airlines
29 Sep - 14 Oct Air Canada
25 Sep - 09 Oct Austrian Airlines
25 Sep - 07 Oct Austrian Airlines
23 Sep - 30 Sep Air Canada
22 Sep - 29 Sep Air Canada
21 Sep - 29 Sep Brussels Airlines
25 Sep - 30 Sep Austrian Airlines
27 Sep - 30 Sep Delta
22 Sep - 25 Sep Norse Atlantic Airways
21 Sep - 28 Sep Brussels Airlines
19 Sep - 23 Sep Lufthansa
20 Sep - 27 Sep Lufthansa

Also check the deals for one-way flights from New York to Warsaw in September.

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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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