AirHint found the following cheapest return flights from Bilbao (BIO) to New York (JFK) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep	Air Europa
24 Sep - 30 Sep	Air Europa
23 Sep - 07 Oct	Air Europa
25 Sep - 30 Sep	Air Europa
24 Sep - 28 Sep	Air Europa
22 Sep - 03 Oct	Iberia
22 Sep - 29 Sep	SWISS
22 Sep - 27 Sep	Air Europa
18 Sep - 30 Sep	Air Europa
18 Sep - 23 Sep	Air Europa
25 Sep - 28 Sep	Air Europa
26 Sep - 03 Oct	Iberia
19 Sep - 23 Sep	Air Europa
27 Sep - 04 Oct	Brussels Airlines
29 Sep - 07 Oct	Vueling Airlines
29 Sep - 09 Oct	Lufthansa
29 Sep - 08 Oct	United
24 Sep - 04 Oct	Wizz Air Malta
29 Sep - 04 Oct	Vueling Airlines
30 Sep - 08 Oct	Vueling Airlines

Also check the deals for one-way flights from Bilbao to New York in September.

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 New York in September from 405€

Return flights