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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 April , May 2026

23 Apr - 30 May $ 84.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
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06 Apr - 09 May $ 115.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
Pick dates
06 Apr - 01 May $ 139.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
Pick dates

Last minute flights from Philadelphia to Chicago

23 Apr - 30 Apr $ 88.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
Pick dates
06 Apr - 30 Apr $ 119.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
Pick dates
04 Apr - 30 Apr $ 374.00
PHL
Philadelphia
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
PHL
Philadelphia
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One-way flights to Chicago from Philadelphia

9:29 AM - 9:29 AM
Frontier Airlines
0 Stops
2h 34m
PHL - CHI
$ 44
Kiwi
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6:00 AM - 6:00 AM
Frontier Airlines
0 Stops
2h 34m
PHL - CHI
$ 75
Kiwi
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6:17 AM - 6:17 AM
United Airlines
0 Stops
2h 28m
PHL - CHI
$ 156
Kiwi
Pick dates

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.