Minneapolis MN to Phoenix AZ $59 One Way Airfares on American Airlines (travel April-May) Nonstop

American Airlines have one-way airfares travelling from Minneapolis MN (MSP) to Phoenix (PHX) for $59. If you could make that one date (May 4) work, your round trip airfare would be $118. Flights are nonstop.
Departs MSP: April 29, 30; May 1, 2, 3, 6, 7, 8, 9, 10, 13, 20
Departs PHX: May 4 (several dates for $20 more if you need more options: May 2, 3, 5, 6, 9, 10, 17)
Use dates and book it on Expedia , Priceline , Orbitz , American Airlines or CheapOAir