AirHint found the following cheapest return flights from Bilbao (BIO) to Newark (EWR) in May 2026 (see full year).

Return flights

21 May - 26 May	Delta
15 May - 26 May	Delta
18 May - 26 May	Delta
31 May - 06 Jun	Lufthansa	direct
13 May - 17 May	Scandinavian Airlines
14 May - 25 May	Finnair
11 May - 25 May	Finnair
20 May - 27 May	Vueling Airlines
15 May - 25 May	SWISS
01 May - 09 May	Vueling Airlines
01 May - 07 May	Iberia
29 May - 05 Jun	Iberia
31 May - 14 Jun	Iberia
28 May - 07 Jun	Lufthansa
31 May - 13 Jun	Vueling Airlines

Also check the deals for one-way flights from Bilbao to Newark in May.

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 May from 486€

Return flights