Fly nonstop from Phoenix to San Francisco for $98 round-trip on Frontier.
Seen below, we found seats departing PHX on Tuesday, April 14, returning from SFO on Tuesday, April 21.
Other dates are also available for travel from February through late April.
Need a room in San Fran? Here's a look at what's available on Hotelwatchdog for the above travel dates.
You'll also find rooms going for $121/night at the Villa Florence currently featured on Jetsetter.