Route Price Intelligence
Cheap Flights From Phoenix to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$335
Deals From
$282
Usually Costs
$282 – $345
Lowest We've Seen
$93
Based on 8,429 price pointshigh confidence
Monthly Price Guide
Jan
$235
Feb
$215
Mar
$250
Apr
$240
May
$312
Jun
$337
Jul
$335
Aug
$335
Sep
$335
Oct
$335
Nov
$335
Dec
$355
Cheapest Average Expensive
Best Time to Fly from Phoenix to Saint Louis
The cheapest time to fly from Phoenix to Saint Louis is typically February, when fares average around $215. The most expensive month tends to be December at around $355. For the best deals, consider flying in February, January, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $9360 price checksWorst: $190