Route Price Intelligence
Cheap Flights From St. Louis to Phoenix
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$335
Deals From
$282
Usually Costs
$282 – $355
Lowest We've Seen
$93
Based on 8,385 price pointshigh confidence
Monthly Price Guide
Jan
$235
Feb
$219
Mar
$234
Apr
$245
May
$315
Jun
$337
Jul
$337
Aug
$335
Sep
$335
Oct
$335
Nov
$335
Dec
$355
Cheapest Average Expensive
Best Time to Fly from St. Louis to Phoenix
The cheapest time to fly from St. Louis to Phoenix is typically February, when fares average around $219. The most expensive month tends to be December at around $355. For the best deals, consider flying in February, March, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $9359 price checksWorst: $335