Cheapest return BIO–EWR flights, September

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

Return flights

16 Sep - 27 Sep Scandinavian Airlines
16 Sep - 29 Sep Scandinavian Airlines
02 Sep - 06 Sep Scandinavian Airlines
09 Sep - 15 Sep Air France
09 Sep - 17 Sep Air France
16 Sep - 26 Sep Air France
16 Sep - 28 Sep Air France
22 Sep - 27 Sep Air France
23 Sep - 27 Sep Air France
18 Sep - 27 Sep Air France
28 Sep - 09 Oct Delta
30 Sep - 05 Oct Air France
16 Sep - 02 Oct Air France
29 Sep - 07 Oct Finnair
20 Sep - 04 Oct TAP
25 Sep - 01 Oct KLM
16 Sep - 01 Oct KLM
22 Sep - 01 Oct KLM
28 Sep - 03 Oct TAP

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

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