Route Price Intelligence
Cheap Flights From Phoenix to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$353
Deals From
$270
Usually Costs
$270 – $395
Lowest We've Seen
$93
Based on 8,688 price pointshigh confidence
Monthly Price Guide
Jan
$395
Feb
$435
Mar
$295
Apr
$224
May
$230
Jun
$318
Jul
$319
Aug
$310
Sep
$395
Oct
$395
Nov
$405
Dec
$405
Cheapest Average Expensive
Best Time to Fly from Phoenix to Saint Louis
The cheapest time to fly from Phoenix to Saint Louis is typically April, when fares average around $224. The most expensive month tends to be February at around $435. 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: $210