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

Return flights

30 Jul - 21 Aug	United
29 Jul - 21 Aug	United	direct
30 Jul - 06 Aug	Air Canada
30 Jul - 21 Aug	United	direct
27 Jul - 05 Aug	United	direct
29 Jul - 12 Aug	United	direct
27 Jul - 08 Aug	United	direct
28 Jul - 07 Aug	United	direct
29 Jul - 05 Aug	United	direct
28 Jul - 06 Aug	Delta
27 Jul - 28 Jul	Air Canada
28 Jul - 30 Jul	TAP
27 Jul - 28 Jul	Lufthansa	direct
27 Jul - 31 Jul	Lufthansa	direct
29 Jul - 31 Jul	Lufthansa	direct
28 Jul - 30 Jul	Lufthansa	direct

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 485€

Return flights