Cheapest return BIO–EWR flights, May

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

Return flights

21 May - 06 Jun Air France
10 May - 28 May Delta
22 May - 04 Jun Delta
12 May - 24 May Delta
22 May - 24 May Delta
06 May - 07 Jun Scandinavian Airlines
12 May - 27 May KLM
18 May - 31 May SWISS
21 May - 26 May Lufthansa
19 May - 25 May SWISS
24 May - 03 Jun Lufthansa
22 May - 03 Jun Delta
20 May - 31 May Austrian Airlines
17 May - 05 Jun SWISS
09 May - 10 May Vueling Airlines
05 May - 11 May Air France
25 May - 04 Jun United
04 May - 05 Jun Vueling Airlines
26 May - 27 Jun Lufthansa

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

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