https://www.cheapjet.com/SearchByPrice/FSD/EU/One-way/Cheapest-flights-from-Sioux-Falls.htm Cheapest flights from Sioux Falls en https://www.cheapjet.com/i/logo/named/cheapjet-com.png https://www.cheapjet.com/SearchByPrice/FSD/EU/One-way/Cheapest-flights-from-Sioux-Falls.htm https://www.cheapjet.com/Flights/searching.aspx?depIATA=FSD&destIATA=MAD&depart=2026-8-25&return=&adults=1&infants=0&children=0&flway=true&flight=true&lang=en&currency=US https://www.cheapjet.com/Flights/searching.aspx?depIATA=FSD&destIATA=MAD&depart=2026-8-25&return=&adults=1&infants=0&children=0&flway=true&flight=true&lang=en&currency=US Flights Spain Sioux Falls Foss Field - Madrid Barajas ()<br/>25 August<br/>$792.98 USD incl. payment fees, <a href="https://www.cheapjet.com/redirect.aspx?opid=55&url=&DepartAirport=FSD&DestinationAirport=MAD&Adults=1&Children=0&Infants=0&DepartureDate=25/08/2026&ReturnDate=&FLWay=1" target=_blank>Air France</a><br/>Found: 17 Hours Ago<br/><a href="https://www.cheapjet.com/Flights/FSD/MAD/Cheap-flights-from-Sioux-Falls-to-Madrid.htm" target=_blank>More offers to this destination - CheapJet.com</a> Thu, 16 Apr 2026 15:45:24 +0200