Route Price Intelligence
Cheap Flights From St. Louis to Phoenix
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$339
Deals From
$250
Usually Costs
$250 – $395
Lowest We've Seen
$93
Based on 8,674 price pointshigh confidence
Monthly Price Guide
Jan
$395
Feb
$415
Mar
$268
Apr
$225
May
$210
Jun
$250
Jul
$270
Aug
$270
Sep
$395
Oct
$395
Nov
$405
Dec
$415
Cheapest Average Expensive
Best Time to Fly from St. Louis to Phoenix
The cheapest time to fly from St. Louis to Phoenix is typically May, when fares average around $210. The most expensive month tends to be February at around $415. For the best deals, consider flying in May, April, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $9390 price checksWorst: $335