Chicago to Philadelphia flights
The cheapest round trip we found from Chicago to Philadelphia is $179 (Dec 15 – 20, 1 stop), 8% below the usual $194.
CHI to PHL · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest dates in the next 4 months
Round trip, per person-
Dec 15 – 20 5 nights · leave Tue$179 −8% vs usual$179 −8% vs usual Book
Frontier Airlines 1 stop · 4h 38m -
Dec 14 – 20 6 nights · leave Mon$192$192 Book
Frontier Airlines Nonstop · 2h 15m
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Dec 19 – 22 3 nights · leave Sat$195$195 Book
Frontier Airlines Nonstop · 2h 13m
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Dec 21 – 25 4 nights · leave Mon$246 +27% vs usual$246 +27% vs usual Book
Frontier Airlines 1 stop · 2h 15m
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Dec 20 – 24 4 nights · leave Sun$273 +41% vs usual$273 +41% vs usual Book
Frontier Airlines 1 stop · 2h 19m
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Dec 27 – Jan 3, 2027 7 nights · leave Sun$342 +76% vs usual$342 +76% vs usual Book
Frontier Airlines 1 stop · 2h 19m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Philadelphia
One Go City pass for Eastern State Penitentiary, Longwood Gardens, The Franklin Institute and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 1–6 days from $59 See pass
- Explorer Pass Pick 3–7 of 33 attractions from $59 See pass
Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Philadelphia · Dec 15 – 20Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Flights to Philadelphia from other cities
All flights to Philadelphia Flying the other way? Philadelphia to Chicago from $207
Chicago to Philadelphia: questions
How much does a flight from Chicago to Philadelphia cost?
The cheapest round trip we have found right now is $179, leaving December 15 and returning December 20. The usual price on this route is about $194, so this fare is 8% less. Prices are per person, economy, in USD.
Which airports do Chicago to Philadelphia flights use?
Chicago airports include O'Hare International (ORD), Chicago Midway International (MDW) and Chicago Rockford International (RFD). Philadelphia airports include Philadelphia International (PHL) and Trenton-Mercer (TTN). The prices on this page cover every airport in both cities (CHI and PHL are the city codes).
About this route
We track round-trip economy fares from Chicago (United States) to Philadelphia (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $179, departing December 15 and returning December 20, about 8% below the usual $194. Right now we're following 6 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $179. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.