Route Price Intelligence
Cheap Flights From Phoenix to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$348
Great Deal
Under $280
Typical Range
$280 – $425
Lowest We've Seen
$93
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$403
Feb
$404
Mar
$446
Apr
$440
May
—
Jun
—
Jul
$354
Aug
$280
Sep
$249
Oct
$249
Nov
$342
Dec
$384
Cheapest Average Expensive
Best Time to Fly from Phoenix to Saint Louis
The cheapest time to fly from Phoenix to Saint Louis is typically October, when fares average around $249. The most expensive month tends to be March at around $446. For the best deals, consider flying in October, September, August.
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