Boston RARE FARE via Delta/KLM! Boston to Spain: Bilbao or Valencia from $304 round-trip Oct 10, 2019 0
New York RARE FARE via Delta/KLM! New York to Spain: Bilbao or Valencia for $299 round-trip Oct 9, 2019 0
San Francisco San Francisco to Spain: Madrid (nonstop), Bilbao or Valencia from $488 R/T [Oneworld] Mar 17, 2018 0
New York New York to Spain: Madrid, Barcelona, Ibiza, Palma De Mallorca, Valenica, Bilbao from $391 R/T Feb 6, 2017 0
