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

Return flights

28 Jul - 20 Aug	Delta
31 Jul - 07 Aug	Delta
31 Jul - 28 Aug	Delta
28 Jul - 10 Aug	Scandinavian Airlines
27 Jul - 10 Aug	Scandinavian Airlines
29 Jul - 13 Aug	Delta
30 Jul - 06 Aug	Delta
28 Jul - 13 Aug	Scandinavian Airlines
28 Jul - 01 Aug	Scandinavian Airlines
28 Jul - 31 Jul	Scandinavian Airlines
31 Jul - 20 Aug	Scandinavian Airlines
27 Jul - 29 Jul	SWISS
27 Jul - 30 Jul	SWISS
29 Jul - 31 Jul	United
28 Jul - 31 Jul	LOT	direct
29 Jul - 31 Jul	LOT	direct

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

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 July from 493€

Return flights