https://www.cheapjet.com/SearchByPrice/GRB/1/Cheapest-flights-from-Green-Bay.htm Cheapest flights from Green Bay en https://www.cheapjet.com/i/logo/named/cheapjet-com.png https://www.cheapjet.com/SearchByPrice/GRB/1/Cheapest-flights-from-Green-Bay.htm https://www.cheapjet.com/Flights/searching.aspx?depIATA=GRB&destIATA=BCN&depart=2026-4-30&return=2026-5-2&adults=1&infants=0&children=0&flway=false&flight=true&lang=en&currency=US https://www.cheapjet.com/Flights/searching.aspx?depIATA=GRB&destIATA=BCN&depart=2026-4-30&return=2026-5-2&adults=1&infants=0&children=0&flway=false&flight=true&lang=en&currency=US Flights Spain Green Bay Austin Straubel - Barcelona El Prat (Return)<br/>30 April - 2 May<br/>$1,379.04 USD incl. payment fees, <a href="https://www.cheapjet.com/redirect.aspx?opid=86&url=&DepartAirport=GRB&DestinationAirport=BCN&Adults=1&Children=0&Infants=0&DepartureDate=30/04/2026&ReturnDate=02/05/2026&FLWay=2" target=_blank>KLM</a><br/>Found: 17 Hours Ago<br/><a href="https://www.cheapjet.com/Flights/GRB/BCN/Cheap-flights-from-Green-Bay-to-Barcelona.htm" target=_blank>More offers to this destination - CheapJet.com</a> Fri, 17 Apr 2026 15:40:42 +0200