Philadelphia to Chicago flights
The cheapest round trip we found from Philadelphia to Chicago is $207 (Dec 10 – 13, Nonstop). It usually costs $207.
PHL to CHI · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $250 |
| December 2026 | $207 |
| January 2027 | $173 (cheapest month) |
| February 2027 | No fares found yet |
| March 2027 | No fares found yet |
| April 2027 | $351 |
| May 2027 | $181 |
| June 2027 | No fares found yet |
| July 2027 | $386 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 10 – 13 3 nights · leave Thu$207$207 Book
Frontier Airlines Nonstop · 2h 39m -
Nov 18 – 20 2 nights · leave Wed$250 +21% vs usual$250 +21% vs usual Book
Frontier Airlines 1 stop · 4h 32m
-
Nov 27 – 30 3 nights · leave Fri$275 +33% vs usual$275 +33% vs usual Book
Frontier Airlines 1 stop · 2h 44m
-
Dec 31 – Jan 2, 2027 2 nights · leave Thu$287 +39% vs usual$287 +39% vs usual Book
Frontier Airlines 1 stop · 5h 57m
-
Nov 16 – 20 4 nights · leave Mon$315 +52% vs usual$315 +52% vs usual Book
Frontier Airlines Nonstop · 2h 34m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Chicago
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- All-Inclusive Pass Unlimited Visit as many attractions as you like for 1–5 days from $149 See pass
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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
Chicago · Dec 10 – 13Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Philadelphia to Chicago: questions
How much does a flight from Philadelphia to Chicago cost?
The cheapest round trip we have found right now is $207, leaving December 10 and returning December 13. The usual price on this route is about $207. Prices are per person, economy, in USD.
What is the cheapest month to fly from Philadelphia to Chicago?
January 2027, with round trips from $173. The most expensive month in our data is July (from $386). Based on the 6 months ahead we have prices for.
Which airports do Philadelphia to Chicago flights use?
Philadelphia airports include Philadelphia International (PHL) and Trenton-Mercer (TTN). Chicago airports include O'Hare International (ORD), Chicago Midway International (MDW) and Chicago Rockford International (RFD). The prices on this page cover every airport in both cities (PHL and CHI are the city codes).
About this route
We track round-trip economy fares from Philadelphia (United States) to Chicago (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $207, departing December 10 and returning December 13 on a nonstop flight. Right now we're following 5 upcoming date combinations on this route. The cheapest month to fly in our data is January, from $173. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.