Route Price Intelligence
Cheap Flights From St. Louis to Phoenix
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 3d ago
$236Phoenix typically runs around $410 round trip from St. Louis, and it's down to $236 right now, a 42% cut. Desert hikes, resort pools, and easy day trips to Sedona make it worth the quick flight, with dates open across the months ahead.
✓ 3 date combinations found at this price
Search Google FlightsTypical Price
$307
Great Deal
Under $236
Typical Range
$236 – $400
Lowest We've Seen
$93
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$405
Feb
—
Mar
—
Apr
$240
May
$205
Jun
$230
Jul
$250
Aug
$250
Sep
$312
Oct
$395
Nov
$410
Dec
$415
Cheapest Average Expensive
Best Time to Fly from St. Louis to Phoenix
The cheapest time to fly from St. Louis to Phoenix is typically May, when fares average around $205. The most expensive month tends to be December at around $415. 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: August22,244 fares analyzedTypical low: $330