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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 March , April 2026

19 Mar - 17 Apr $ 127.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
Pick dates
11 Mar - 01 Apr $ 182.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
Pick dates
12 Mar - 01 Apr $ 229.00
PHL
Philadelphia
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
PHL
Philadelphia
Pick dates

Last minute flights from Philadelphia to Chicago

19 Mar - 31 Mar $ 177.00
PHL
Philadelphia
Spirit Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Spirit Airlines
1 STOPS
PHL
Philadelphia
Pick dates
11 Mar - 31 Mar $ 193.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
12 Mar - 31 Mar $ 328.00
PHL
Philadelphia
Spirit Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Spirit Airlines
1 STOPS
PHL
Philadelphia
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One-way flights to Chicago from Philadelphia

12:45 PM - 12:45 PM
Frontier Airlines
0 Stops
2h 36m
PHL - CHI
$ 94
Kiwi
Pick dates
5:26 PM - 9:26 PM
Spirit Airlines
1 Stops
7h 21m
PHL - CHI
$ 127
Kiwi
Pick dates
6:30 AM - 6:30 AM
United Airlines
0 Stops
2h 30m
PHL - CHI
$ 351
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.