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

Return flights

16 Aug - 26 Aug	United
10 Aug - 27 Aug	United
17 Aug - 31 Aug	Aer Lingus
17 Aug - 24 Aug	Aer Lingus
03 Aug - 19 Aug	Aer Lingus
10 Aug - 20 Aug	Aer Lingus
18 Aug - 01 Sep	Aer Lingus
31 Aug - 07 Sep	Air Canada
13 Aug - 19 Aug	Aer Lingus
14 Aug - 19 Aug	Aer Lingus
24 Aug - 06 Sep	Aer Lingus
18 Aug - 30 Aug	Aer Lingus
20 Aug - 28 Aug	United
26 Aug - 02 Sep	Scandinavian Airlines
27 Aug - 10 Sep	Aer Lingus

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 328€

Return flights