Southwest has round-trip flights from Dallas (DAL) to San Francisco (SFO) or Pittsburgh (PIT) starting at $80, NONSTOP. $40 each-way. Flights from November to February. Origin/Destination reversible. No Holidays.
Note: You can save an additional $100 if you purchase your Flight+Hotel together as a package on Southwest Vacations and apply the ‘USA100’ coupon code.
Read More Nonstop Flights: Dallas to/from San Francisco / Pittsburgh $80 r/t – Southwest