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

Return flights

13 Oct - 23 Oct	Air Canada
20 Oct - 27 Oct	Air Canada
06 Oct - 14 Oct	Air Canada
07 Oct - 15 Oct	Air Canada
05 Oct - 10 Oct	Air Canada
08 Oct - 14 Oct	SWISS
07 Oct - 21 Oct	Air Canada
01 Oct - 07 Oct	Air Canada
10 Oct - 25 Oct	Icelandair
09 Oct - 20 Oct	Icelandair
21 Oct - 04 Nov	Air Canada
27 Oct - 07 Nov	SWISS
24 Oct - 01 Nov	TAP
26 Oct - 01 Nov	United
26 Oct - 09 Nov	Scandinavian Airlines
25 Oct - 02 Nov	TAP
26 Oct - 02 Nov	United

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

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 October from $333

Return flights