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

Return flights

29 Jun - 16 Jul	Air Canada
30 Jun - 09 Jul	Air Canada
30 Jun - 02 Jul	Air Canada
30 Jun - 22 Jul	Air Canada
30 Jun - 10 Jul	Air Canada
30 Jun - 15 Jul	United
30 Jun - 04 Jul	United
30 Jun - 11 Jul	United
29 Jun - 08 Jul	Air Canada
30 Jun - 08 Jul	Air Canada
24 Jun - 27 Jun	United
25 Jun - 30 Jun	Air Canada
24 Jun - 28 Jun	British Airways
24 Jun - 27 Jun	United	direct
24 Jun - 29 Jun	SWISS
25 Jun - 28 Jun	United
24 Jun - 30 Jun	United	direct
27 Jun - 30 Jun	British Airways
26 Jun - 28 Jun	Air Transat
26 Jun - 29 Jun	Aer Lingus

Also check the deals for one-way flights from Newark to Barcelona in June.

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Newark to Barcelona in June from $411

Return flights