https://www.cheapjet.com/SearchByPrice/TYS/EU/One-way/Cheapest-flights-from-Knoxville.htm Cheapest flights from Knoxville en https://www.cheapjet.com/i/logo/named/cheapjet-com.png https://www.cheapjet.com/SearchByPrice/TYS/EU/One-way/Cheapest-flights-from-Knoxville.htm https://www.cheapjet.com/Flights/searching.aspx?depIATA=TYS&destIATA=MAD&depart=2026-5-17&return=&adults=1&infants=0&children=0&flway=true&flight=true&lang=en&currency=US https://www.cheapjet.com/Flights/searching.aspx?depIATA=TYS&destIATA=MAD&depart=2026-5-17&return=&adults=1&infants=0&children=0&flway=true&flight=true&lang=en&currency=US Flights Spain Knoxville McGhee Tyson - Madrid Barajas ()<br/>17 May<br/>$982.25 USD incl. payment fees, <a href="https://www.cheapjet.com/redirect.aspx?opid=86&url=&DepartAirport=TYS&DestinationAirport=MAD&Adults=1&Children=0&Infants=0&DepartureDate=17/05/2026&ReturnDate=&FLWay=1" target=_blank>KLM</a><br/>Found: 17 Hours Ago<br/><a href="https://www.cheapjet.com/Flights/TYS/MAD/Cheap-flights-from-Knoxville-to-Madrid.htm" target=_blank>More offers to this destination - CheapJet.com</a> Fri, 01 May 2026 16:34:48 +0200