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Cheap flights from Philadelphia (PHL) 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 Philadelphia (PHL) to Chicago (CHI)

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

28 Sep - 29 Oct $ 217.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
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28 Sep - 10 Oct $ 290.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
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28 Sep - 08 Oct $ 315.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
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Last minute flights from Philadelphia to Chicago

28 Sep - 30 Sep $ 307.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
28 Sep - 30 Sep $ 307.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
PHL
Philadelphia
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28 Sep - 30 Sep $ 764.00
PHL
Philadelphia
JetBlue Airways
DIRECT
CHI
Chicago
CHI
Chicago
JetBlue Airways
1 STOPS
PHL
Philadelphia
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One-way flights to Chicago from Philadelphia

11:54 AM - 11:54 AM
Frontier Airlines
0 Stops
2h 36m
PHL - CHI
$ 151
Kiwi
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12:40 PM - 5:02 PM
Frontier Airlines
1 Stops
6h 43m
PHL - CHI
$ 155
Kiwi
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6:10 AM - 6:10 AM
United Airlines
0 Stops
2h 25m
PHL - CHI
$ 198
Kiwi
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How to find the cheapest flight from Philadelphia (PHL) to Chicago (CHI)

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