AirHint found the following cheapest return flights from Newark (EWR) to Prague (PRG) in August 2025 (see full year).

Return flights

28 Aug - 10 Sep	Icelandair
11 Aug - 21 Aug	Delta
13 Aug - 21 Aug	United
25 Aug - 09 Sep	KLM
26 Aug - 09 Sep	Scandinavian Airlines
21 Aug - 04 Sep	SWISS
18 Aug - 27 Aug	Scandinavian Airlines
04 Aug - 12 Aug	United
20 Aug - 25 Aug	TAP
18 Aug - 25 Aug	TAP
14 Aug - 26 Aug	United
21 Aug - 25 Aug	TAP
25 Aug - 28 Aug	Scandinavian Airlines
17 Aug - 16 Sep	Scandinavian Airlines
21 Aug - 05 Sep	Austrian Airlines
28 Aug - 01 Sep	Scandinavian Airlines
04 Aug - 18 Aug	Delta
23 Aug - 06 Sep	Delta
24 Aug - 14 Sep	Lufthansa

Also check the deals for one-way flights from Newark to Prague in August.

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 Prague in August from 370€

Return flights