Cheapest return flights from Newark to Warsaw in September from $399

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

Return flights

30 Sep - 14 Oct Scandinavian Airlines
15 Sep - 11 Oct Scandinavian Airlines
09 Sep - 17 Sep Air Canada
09 Sep - 16 Sep Air Canada
29 Sep - 16 Oct Scandinavian Airlines
21 Sep - 05 Oct Scandinavian Airlines
30 Sep - 25 Oct Scandinavian Airlines
28 Sep - 05 Oct Scandinavian Airlines
28 Sep - 21 Oct Scandinavian Airlines
28 Sep - 12 Oct Scandinavian Airlines
28 Sep - 06 Oct Scandinavian Airlines
08 Sep - 22 Sep SWISS
10 Sep - 16 Sep Air Canada
10 Sep - 17 Sep Lufthansa
10 Sep - 22 Sep Lufthansa
26 Sep - 03 Oct Scandinavian Airlines
10 Sep - 24 Sep United
22 Sep - 26 Sep Scandinavian Airlines
16 Sep - 22 Sep Lufthansa
08 Sep - 21 Sep SWISS

Also check the deals for one-way flights from Newark 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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