Cheapest return flights from Newark to Barcelona in September from $379

Best time to book flights for Newark (EWR) to Barcelona (BCN) flights at AirHint

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

Return flights

02 Sep - 10 Sep Icelandair
14 Sep - 24 Sep Icelandair
23 Sep - 30 Sep TAP
23 Sep - 02 Oct TAP
21 Sep - 01 Oct TAP
09 Sep - 15 Sep Icelandair
28 Sep - 08 Oct Icelandair
19 Sep - 01 Oct Icelandair
18 Sep - 26 Sep Icelandair
19 Sep - 24 Sep Icelandair
22 Sep - 30 Sep TAP
22 Sep - 01 Oct TAP
24 Sep - 05 Oct TAP
17 Sep - 24 Sep British Airways
01 Sep - 02 Oct TAP
17 Sep - 26 Sep TAP
07 Sep - 16 Sep Scandinavian Airlines
26 Sep - 03 Oct Icelandair
24 Sep - 03 Oct TAP
27 Sep - 05 Oct TAP

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

Skyscanner

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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