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Cheap flights from St Louis (STL) to Phoenix (PHX)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Phoenix (PHX)

How to find the cheapest flight from St Louis (STL) to Phoenix (PHX)
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How to find the cheapest flight from St Louis (STL) to Phoenix (PHX)
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How to find the cheapest flight from St Louis (STL) to Phoenix (PHX)
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Cheap flights from St Louis to Phoenix in November , December 2026

24 Nov - 30 Dec $ 314.00
STL
St Louis
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
STL
St Louis
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18 Nov - 09 Dec $ 473.00
STL
St Louis
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
STL
St Louis
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18 Nov - 09 Dec $ 502.00
STL
St Louis
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Phoenix

24 Nov - 01 Dec $ 418.00
STL
St Louis
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
2 STOPS
STL
St Louis
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18 Nov - 01 Dec $ 1,003.00
STL
St Louis
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
STL
St Louis
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18 Nov - 30 Nov $ 1,187.00
STL
St Louis
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
STL
St Louis
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One-way flights to Phoenix from St Louis

4:18 PM - 6:46 PM
Frontier Airlines
1 Stops
5h 36m
STL - PHX
$ 164
Kiwi
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4:18 PM - 10:29 PM
Frontier Airlines
1 Stops
9h 24m
STL - PHX
$ 170
Kiwi
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11:40 AM - 2:14 PM
Frontier Airlines
1 Stops
5h 37m
STL - PHX
$ 208
Kiwi
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How to find the cheapest flight from St Louis (STL) to Phoenix (PHX)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.