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

Return flights

22 Oct - 29 Oct	Air Canada
13 Oct - 24 Oct	United
05 Oct - 15 Oct	Air Canada
19 Oct - 31 Oct	Air Canada
05 Oct - 23 Oct	Air Canada
28 Oct - 31 Oct	Air Canada
11 Oct - 24 Oct	Air Canada
04 Oct - 24 Oct	Air Canada
07 Oct - 14 Oct	SWISS
08 Oct - 14 Oct	SWISS
27 Oct - 05 Nov	Austrian Airlines
21 Oct - 04 Nov	Air Canada
29 Oct - 04 Nov	United
26 Oct - 04 Nov	Air Canada
07 Oct - 04 Nov	United
29 Oct - 10 Nov	SWISS
30 Oct - 04 Nov	TAP
27 Oct - 24 Nov	United
28 Oct - 22 Nov	United	direct
29 Oct - 22 Nov	Air Canada

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 297€

Return flights