Fly nonstop from San Francisco to Phoenix for $58 round-trip on Frontier.
Searching Delta.com, we found seats departing SFO on Wednesday, August 26, returning from PHX on Wednesday September 16.
Other dates are also available for travel Tuesdays and Wednesdays, August 25 through November 11.
For booking info, see our Fare Details.
Need a room in Phoenix? Here's what's available for the above dates on Hotelwatchdog.