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

Return flights

27 Aug - 03 Sep	Air Canada
25 Aug - 03 Sep	SWISS
31 Aug - 06 Sep	Air Canada
13 Aug - 18 Aug	British Airways
22 Aug - 24 Aug	Scandinavian Airlines
24 Aug - 29 Aug	Scandinavian Airlines
01 Aug - 18 Aug	British Airways
17 Aug - 27 Aug	Air Canada
18 Aug - 24 Aug	British Airways
23 Aug - 30 Aug	Scandinavian Airlines
01 Aug - 09 Aug	British Airways
22 Aug - 31 Aug	Scandinavian Airlines
11 Aug - 17 Aug	SWISS

Also check the deals for one-way flights from Newark to Santorini (Thira) 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 Santorini (Thira) in August from $537

Return flights