American Airlines via Priceline: Roundtrip Flights from San Francisco to Dallas (or vice versa) for $78

Availability (subject to change):

Departs San Francisco (SFO): Oct 4, 17, 28, 31; Nov 1, 4
Returns: Oct 11, 17, 24-25; Nov 1, 4, 7-8
Departs Dallas (DFW): Oct 17, 24-25; Nov 1, 4
Returns: Oct 24, 28, 31; Nov 1, 4, 7-8