Route Price Intelligence
Cheap Flights From Phoenix to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$339
Deals From
$250
Usually Costs
$250 – $405
Lowest We've Seen
$93
Based on 3,582 price pointshigh confidence
Monthly Price Guide
Jan
$415
Feb
$415
Mar
$594
Apr
$225
May
$205
Jun
$244
Jul
$250
Aug
$250
Sep
$395
Oct
$395
Nov
$410
Dec
$415
Cheapest Average Expensive
Best Time to Fly from Phoenix to Saint Louis
The cheapest time to fly from Phoenix to Saint Louis is typically May, when fares average around $205. The most expensive month tends to be March at around $594. 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: $12873 price checksWorst: $210