Route Price Intelligence
Cheap Flights From Phoenix to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$395
Deals From
$250
Usually Costs
$250 – $415
Lowest We've Seen
$93
Based on 325 price pointshigh confidence
Monthly Price Guide
Jan
$395
Feb
$415
Mar
$483
Apr
$248
May
$185
Jun
$230
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 $185. The most expensive month tends to be March at around $483. For the best deals, consider flying in May, June, April.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: August40,476 fares analyzedTypical low: $333