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Philadelphia skyline with City Hall
PHL
Philadelphia
Chicago skyline and Lake Michigan
CHI
Chicago

Philadelphia → Chicago

Frontier Airlines · Round Trip · Nonstop

$151

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Apr 17, 2026
Returns
Apr 19, 2026

Price History

Avg: $146
Low: $140
High: $151
$130$140$150$160Apr 2Apr 3

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