Phoenix to Madrid flights - momondo

Phoenix to Madrid: $408. It might be a mistake fare.
from Facebook http://www.momondo.com/flightsearch/?Search=true&TripType=2&SegNo=2&SO0=PHX&SD0=MAD&SDP0=19-01-2017&SO1=MAD&SD1=PHX&SDP1=28-01-2017&AD=1&TK=ECO&DO=false&NA=false&utm_source=ActiveCampaign&utm_medium=email&utm_campaign=Mistake+Fare%3A+Phoenix+Madrid%2C+Spain+for+%24408+%28Copy%29+%28Copy%29+%28Copy%29&utm_content=Mistake+Fare%3A+Phoenix+to+Europe+from+%24408
via IFTTT