American Airlines, Southwest, and United have round-trip flights from Phoenix (PHX) to Houston, Austin, Washington, D.C., Atlanta, or San Francisco (IAH, AUS, IAD, ATL, SFO) for $97-$171, NONSTOP. Flights August to December. Weekends available. Origin/Destination reversible. No Christmas dates available.
Note: Southwest is matching on some of these routes but to get the discount requires jumping through a few annoying hoops. First, you can only see the fare in their slow and buggy Southwest (mobile phone) App. Second, you have to use code “BDAY”.
San Francisco ($97) was the cheapest fare in this list.
Austin ($171) is the most expensive fare in this list. All other destinations were less than $145.
Click for more details and booking links Nonstop Flights: Phoenix to/from Houston, Austin, Washington, D.C., Atlanta, or San Francisco $97-$171 r/t [August-December] (Some weekends) – American Airlines / United / Southwest