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Cheap flights from Phoenix (PHX) to Chicago (CHI)

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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 Phoenix (PHX) to Chicago (CHI)

How to find the cheapest flight from Phoenix (PHX) to Chicago (CHI)
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How to find the cheapest flight from Phoenix (PHX) to Chicago (CHI)
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How to find the cheapest flight from Phoenix (PHX) to Chicago (CHI)
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Cheap flights from Phoenix to Chicago in September , October 2026

30 Sep - 22 Oct $ 258.00
PHX
Phoenix
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHX
Phoenix
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30 Sep - 07 Oct $ 381.00
PHX
Phoenix
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
PHX
Phoenix
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28 Sep - 09 Oct $ 540.00
PHX
Phoenix
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHX
Phoenix
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Last minute flights from Phoenix to Chicago

28 Sep - 30 Sep $ 373.00
PHX
Phoenix
Allegiant Air
DIRECT
CHI
Chicago
CHI
Chicago
Allegiant Air
DIRECT
PHX
Phoenix
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29 Sep - 30 Sep $ 383.00
PHX
Phoenix
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
PHX
Phoenix
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29 Sep - 30 Sep $ 600.00
PHX
Phoenix
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
PHX
Phoenix
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One-way flights to Chicago from Phoenix

8:10 AM - 8:10 AM
Allegiant Air
0 Stops
3h 7m
PHX - CHI
$ 147
Kiwi
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9:20 AM - 4:48 PM
Frontier Airlines
1 Stops
8h 11m
PHX - CHI
$ 189
Kiwi
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11:52 PM - 11:52 PM
United Airlines
0 Stops
3h 28m
PHX - CHI
$ 241
Kiwi
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How to find the cheapest flight from Phoenix (PHX) to Chicago (CHI)

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