St Louis to Phoenix
STLPHX
Fly from St Louis to Phoenix starting at SAR 207 with Frontier Airlines.
Best fare available on Jun 7, 2026.
Limited seats. Better plans. Book before it's gone.
St Louis to Phoenix cheapest flights this week
St Louis to Phoenix monthly flight fare trend
Jun
from SAR 207
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights
Airport Details
Origin
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
Destination
Phoenix
Phoenix Sky Harbor International Airport (PHX)
Phoenix, PHX
Zone
Phoenix
Elev
1135 ft
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