Philadelphia to Chicago in August 2026

Dated one-way fares from Philadelphia to Chicago in August 2026. Use the calendar to see which days are cheaper.

Lowest this month $109

Highest this month $159

Sample fare $109

Airports PHL–ORD

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August 2026 price calendar

From $109 · up to $159

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27 $109 28 $140 29 $159 30 $128 31 $120

Chicago CHI

$109

Aug 27, 5:43am · 2h 47m · 0 stops

PHL → ORD · American Airlines

Chicago CHI

$120

Aug 31, 10:10pm · 2h 34m · 0 stops

PHL → ORD · American Airlines

Chicago CHI

$128

Aug 30, 10:35am · 2h 36m · 0 stops

PHL → ORD · American Airlines

Chicago CHI

$140

Aug 28, 6:00am · 2h 29m · 0 stops

PHL → ORD · Frontier Airlines

Chicago CHI

$159

Aug 29, 4:45pm · 7h 2m · 1 stop

PHL → MDW · Frontier Airlines

This page is only August 2026 on the Philadelphia to Chicago route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book Philadelphia to Chicago in August 2026.