Philadelphia to Chicago
PHLMDW
Fly from Philadelphia to Chicago starting at USD 145 with Frontier Airlines.
Best fare available on Aug 4, 2026.
Limited seats. Better plans. Book before it's gone.
Philadelphia to Chicago cheapest flights this week
Philadelphia to Chicago monthly flight fare trend
Aug
from USD 117
Sep
from USD 103
Oct
from USD 121
Nov
from USD 100
Dec
from USD 135
Jan
No flights
Airport Details
Origin
Philadelphia
Philadelphia International Airport (PHL)
Philadelphia, PHL
Zone
New York
Elev
36 ft
Destination
Chicago
Chicago Midway International Airport (MDW)
Chicago, MDW
Zone
Chicago
Elev
620 ft
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