Cheapest return flights from Newark to Barcelona in September from $361

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

Return flights

19 Sep - 29 Sep Air Canada
23 Sep - 29 Sep Air Canada
23 Sep - 06 Oct TAP
30 Sep - 07 Oct TAP
29 Sep - 06 Oct Iberia
28 Sep - 05 Oct British Airways
15 Sep - 22 Sep Aer Lingus
17 Sep - 30 Sep Iberia
08 Sep - 22 Sep SWISS
21 Sep - 27 Sep British Airways
04 Sep - 11 Sep Scandinavian Airlines
02 Sep - 07 Sep Scandinavian Airlines
13 Sep - 20 Sep Aer Lingus
02 Sep - 12 Sep Scandinavian Airlines
25 Sep - 04 Oct British Airways

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

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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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