American Airlines has a low fare between San Francisco and Phoenix at $43 each way for departures over next two weeks and as low as $54 each way for departures from March to May 2016.
American Airlines San Francisco – Phoenix (nonstop flights)
$86.20 Saturday February 27 – Wednesday March 2
SFO-PHX-SFO = 1,302 flight miles.
American Airlines San Francisco – Phoenix (nonstop flights)
$108.20 Wednesday May 4 – Thursday May 5
Loyalty Traveler curated Airfare Deals and Google Flights and Kayak Explore tutorials.