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

Return flights

20 Oct - 05 Nov	Austrian Airlines
23 Oct - 19 Nov	Austrian Airlines
23 Oct - 27 Nov	Austrian Airlines
19 Oct - 12 Nov	SWISS
19 Oct - 08 Nov	SWISS
08 Oct - 01 Nov	SWISS
16 Oct - 31 Oct	SWISS
27 Oct - 16 Nov	Lufthansa
28 Oct - 11 Nov	Lufthansa
12 Oct - 02 Nov	Austrian Airlines
09 Oct - 01 Nov	Austrian Airlines
23 Oct - 30 Oct	SWISS
07 Oct - 14 Oct	SWISS
08 Oct - 21 Oct	SWISS
21 Oct - 28 Oct	SWISS
07 Oct - 22 Oct	SWISS
09 Oct - 23 Oct	Austrian Airlines
24 Oct - 26 Oct	Scandinavian Airlines
16 Oct - 26 Oct	Scandinavian Airlines
22 Oct - 31 Oct	SWISS

Also check the deals for one-way flights from Newark to Warsaw in October.

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 October from 300€

Return flights