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

Return flights

30 Sep - 06 Oct	Austrian Airlines
28 Sep - 20 Oct	Scandinavian Airlines
23 Sep - 30 Sep	Air Canada
24 Sep - 01 Oct	Delta
20 Sep - 06 Oct	SWISS
28 Sep - 13 Oct	Air Canada
22 Sep - 28 Sep	Austrian Airlines
21 Sep - 11 Oct	Scandinavian Airlines
22 Sep - 29 Sep	Austrian Airlines
26 Sep - 17 Oct	United
23 Sep - 18 Oct	LOT
21 Sep - 28 Sep	Austrian Airlines
25 Sep - 18 Oct	Scandinavian Airlines
25 Sep - 13 Oct	SWISS
20 Sep - 25 Sep	British Airways
25 Sep - 30 Sep	Austrian Airlines

Also check the deals for one-way flights from Newark to Krakow in September.

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 Krakow in September from $458

Return flights