I just pulled this off www.bestfares.com
MINNEAPOLIS to DFW, check their fare finder daily, it is an awsome tool, I got dfw to BZE fo $99.00 two months ago.
$178 RT Booking Code: Q
Fare Code: Q236RNRX
Airline: Trans American
Advanced Purchase: 3 days
Effective: 3 days from purchase
Minimum Stay: No minimum stay
Maximum Stay: No maximum stay
Day/Time: Applies at any time tue/wed/sat.
Season: No season restrictions apply.
Blackouts: No blackout restrictions apply.
Stop Overs: No enroute stopovers permitted. a stopover occurs when the passenger does not depart an intermediate point within 4 hours.