Phoenix to St Louis
PHXSTL
Fly from Phoenix to St Louis starting at SAR 341 with F9.
Best fare available on Jun 16, 2026.
Limited seats. Better plans. Book before it's gone.
Phoenix to St Louis cheapest flights this week
28 Apr
F9
00:30PHX
04:19STL
1 StopSAR 488VIEW DEAL
16 Jun
F9
16:53PHX
00:23STL
1 StopSAR 341VIEW DEAL
Phoenix to St Louis monthly flight fare trend
Apr
from SAR 488
May
No flights
Jun
from SAR 341
Jul
No flights
Aug
No flights
Sep
No flights
Airport Details
Origin
Phoenix
Phoenix Sky Harbor International Airport (PHX)
Phoenix, PHX
Zone
Phoenix
Elev
1135 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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