Route Price Intelligence
Cheap Flights From St. Louis to Phoenix
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$353
Deals From
$265
Usually Costs
$265 – $395
Lowest We've Seen
$93
Based on 8,736 price pointshigh confidence
Monthly Price Guide
Jan
$395
Feb
$424
Mar
$288
Apr
$211
May
$230
Jun
$319
Jul
$330
Aug
$290
Sep
$395
Oct
$395
Nov
$395
Dec
$405
Cheapest Average Expensive
Best Time to Fly from St. Louis to Phoenix
The cheapest time to fly from St. Louis to Phoenix is typically April, when fares average around $211. The most expensive month tends to be February at around $424. For the best deals, consider flying in April, May, March.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $9386 price checksWorst: $335