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

Return flights

29 Aug - 07 Sep	Air France
28 Aug - 07 Sep	Air France
29 Aug - 03 Sep	Air France
29 Aug - 04 Sep	Air France
29 Aug - 06 Sep	Air France
29 Aug - 11 Sep	Air France
28 Aug - 04 Sep	Air France
27 Aug - 03 Sep	Air France
27 Aug - 02 Sep	Air France
28 Aug - 06 Sep	Delta
25 Aug - 31 Aug	KLM
22 Aug - 31 Aug	Air France
22 Aug - 26 Aug	Delta
20 Aug - 26 Aug	Brussels Airlines
22 Aug - 29 Aug	KLM
20 Aug - 27 Aug	Brussels Airlines
20 Aug - 31 Aug	Air France
21 Aug - 26 Aug	Brussels Airlines
19 Aug - 25 Aug	KLM
18 Aug - 26 Aug	Delta

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 481€

Return flights