AirHint found the following cheapest return flights from Newark (EWR) to Barcelona (BCN) in August 2026 (see full year).

Return flights

19 Aug - 02 Sep	United
19 Aug - 03 Sep	United
17 Aug - 26 Aug	United
16 Aug - 28 Aug	Air Canada
14 Aug - 26 Aug	United
02 Aug - 30 Sep	SWISS
17 Aug - 28 Aug	British Airways
17 Aug - 24 Aug	British Airways
11 Aug - 19 Aug	British Airways
05 Aug - 19 Aug	British Airways
03 Aug - 19 Aug	British Airways
14 Aug - 25 Aug	United
14 Aug - 24 Aug	British Airways
31 Aug - 07 Sep	Scandinavian Airlines
30 Aug - 06 Sep	Scandinavian Airlines

Also check the deals for one-way flights from Newark to Barcelona 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 Barcelona in August from $380

Return flights