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

Return flights

06 Oct - 12 Oct	TAP
10 Oct - 13 Oct	TAP
10 Oct - 20 Oct	TAP
06 Oct - 19 Oct	TAP
15 Oct - 21 Oct	TAP
15 Oct - 19 Oct	TAP
08 Oct - 16 Oct	TAP
13 Oct - 21 Oct	TAP
10 Oct - 19 Oct	TAP
13 Oct - 19 Oct	TAP
31 Oct - 08 Nov	TAP
30 Oct - 09 Nov	TAP
26 Oct - 02 Nov	TAP
29 Oct - 10 Nov	Delta
31 Oct - 09 Nov	TAP

Also check the deals for one-way flights from Bilbao to Newark 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 Bilbao to Newark in October from 335€

Return flights