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

Return flights

29 Jul - 21 Aug	United
23 Jul - 20 Aug	Air Canada
29 Jul - 12 Aug	United
27 Jul - 13 Aug	United
14 Jul - 23 Jul	United
15 Jul - 25 Jul	United
16 Jul - 23 Jul	United
16 Jul - 24 Jul	United
13 Jul - 23 Jul	United
15 Jul - 22 Jul	United
16 Jul - 22 Jul	United
15 Jul - 24 Jul	United
21 Jul - 30 Jul	Delta
14 Jul - 24 Jul	United
28 Jul - 07 Aug	United
25 Jul - 13 Aug	United
29 Jul - 06 Aug	Delta
31 Jul - 18 Aug	United
29 Jul - 05 Aug	British Airways
31 Jul - 07 Aug	United

Also check the deals for one-way flights from Newark to Barcelona 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 Barcelona in July from 317€

Return flights