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

Return flights

27 Aug - 25 Sep	Air France
27 Aug - 03 Sep	Air France
29 Aug - 08 Sep	KLM
27 Aug - 06 Sep	Delta
29 Aug - 11 Sep	KLM
27 Aug - 13 Sep	Air France
29 Aug - 31 Aug	Delta
29 Aug - 06 Sep	Delta
27 Aug - 02 Sep	Delta
25 Aug - 02 Sep	KLM
26 Aug - 06 Sep	Delta
25 Aug - 31 Aug	Brussels Airlines
15 Aug - 19 Aug	Iberia
15 Aug - 17 Aug	Iberia
26 Aug - 29 Aug	Vueling Airlines
20 Aug - 26 Aug	Vueling Airlines
27 Aug - 30 Aug	Vueling Airlines
18 Aug - 31 Aug	KLM
21 Aug - 26 Aug	Delta
13 Aug - 18 Aug	Iberia

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

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 August from $552

Return flights