Cheap flight from Chicago to Philadelphia from $59
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Flights from Chicago to Philadelphia
Find cheap airlines flights from Chicago to Philadelphia
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Cheap flight deals from Chicago to Philadelphia
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
MDW 6:40 PM2h 5mNonstopPHL 9:45 PMChicago - Philadelphia | Fri, Aug 8 | Frontier Airlines
PHL 10:38 PM2h 13mNonstopMDW 11:51 PMPhiladelphia - Chicago | Mon, Aug 11 | Frontier Airlines$116 $31063% OFF63% OFF$310 $116 -
MDW 6:40 PM2h 3mNonstopPHL 9:43 PMChicago - Philadelphia | Fri, Jun 27 | Frontier Airlines
PHL 5:45 AM2h 32mNonstopORD 7:17 AMPhiladelphia - Chicago | Sun, Jun 29 | Frontier Airlines$117 $31062% OFF62% OFF$310 $117
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ORD 8:17 PM2h 27mNonstopPHL 11:44 PMChicago - Philadelphia | Fri, Jul 4 | Frontier Airlines
PHL 5:45 AM2h 30mNonstopORD 7:15 AMPhiladelphia - Chicago | Sun, Jul 6 | Frontier Airlines$119 $31062% OFF62% OFF$310 $119
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ORD 8:24 AM2h 19mNonstopPHL 11:43 AMChicago - Philadelphia | Thu, Jul 3 | Frontier Airlines
PHL 5:45 AM2h 30mNonstopORD 7:15 AMPhiladelphia - Chicago | Sun, Jul 6 | Frontier Airlines$11962% OFF$310 $119
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MDW 6:40 PM2h 5mNonstopPHL 9:45 PMChicago - Philadelphia | Mon, Jul 14 | Frontier Airlines
PHL 10:38 PM2h 13mNonstopMDW 11:51 PMPhiladelphia - Chicago | Fri, Jul 18 | Frontier Airlines$11962% OFF$310 $119
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MDW 6:40 PM2h 5mNonstopPHL 9:45 PMChicago - Philadelphia | Fri, Jul 18 | Frontier Airlines
PHL 10:38 PM2h 13mNonstopMDW 11:51 PMPhiladelphia - Chicago | Mon, Jul 21 | Frontier Airlines$12061% OFF$310 $120
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ORD 5:00 AM2h 3mNonstopPHL 8:03 AMChicago - Philadelphia | Mon, Aug 11 | American Airlines
PHL 9:15 PM2h 34mNonstopORD 10:49 PMPhiladelphia - Chicago | Tue, Aug 12 | American Airlines$12859% OFF$310 $128 -
MDW 6:40 PM2h 5mNonstopPHL 9:45 PMChicago - Philadelphia | Fri, Jul 11 | Frontier Airlines
PHL 10:38 PM2h 13mNonstopMDW 11:51 PMPhiladelphia - Chicago | Fri, Jul 18 | Frontier Airlines$13057% OFF$310 $130
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MDW 6:40 PM2h 3mNonstopPHL 9:43 PMChicago - Philadelphia | Fri, Jun 20 | Frontier Airlines
PHL 10:38 PM2h 13mNonstopMDW 11:51 PMPhiladelphia - Chicago | Mon, Jun 23 | Frontier Airlines$22328% OFF$310 $223
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MDW 6:40 PM2h 3mNonstopPHL 9:43 PMChicago - Philadelphia | Mon, Jun 23 | Frontier Airlines
PHL 10:38 PM2h 13mNonstopMDW 11:51 PMPhiladelphia - Chicago | Mon, Jun 30 | Frontier Airlines$24820% OFF$310 $248
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CHI 1:00 PM17h 25m1 stopsPHL Invalid DateChicago - Philadelphia | Fri, Jun 20 | Normal Airline
PHL 3:00 PM6hNonstopCHI 4:00 PMPhiladelphia - Chicago | Sun, Jun 22 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
MDW 6:40 PM2h 5mNonstopPHL 9:45 PMChicago - Philadelphia | Mon, Aug 11 | Frontier Airlines$59 $24876% OFF76% OFF$248 $59
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MDW 6:40 PM2h 5mNonstopPHL 9:45 PMChicago - Philadelphia | Mon, Jul 21 | Frontier Airlines$62 $24875% OFF75% OFF$248 $62
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MDW 6:40 PM2h 5mNonstopPHL 9:45 PMChicago - Philadelphia | Fri, Aug 1 | Frontier Airlines$65 $24874% OFF74% OFF$248 $65
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ORD 5:00 AM2h 3mNonstopPHL 8:03 AMChicago - Philadelphia | Wed, Aug 6 | American Airlines$6674% OFF$248 $66
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MDW 6:40 PM2h 5mNonstopPHL 9:45 PMChicago - Philadelphia | Mon, Jul 14 | Frontier Airlines$7171% OFF$248 $71
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ORD 8:24 AM2h 20mNonstopPHL 11:44 AMChicago - Philadelphia | Thu, Jul 17 | Frontier Airlines$10060% OFF$248 $100
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ORD 8:24 AM2h 20mNonstopPHL 11:44 AMChicago - Philadelphia | Thu, Aug 7 | Frontier Airlines$10259% OFF$248 $102
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ORD 9:11 PM2h 13mNonstopPHL 12:24 AMChicago - Philadelphia | Fri, Aug 15 | American Airlines$12450% OFF$248 $124
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ORD 8:46 AM2h 3mNonstopPHL 11:49 AMChicago - Philadelphia | Wed, Jul 2 | American Airlines$18426% OFF$248 $184
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MDW 6:40 PM2h 3mNonstopPHL 9:43 PMChicago - Philadelphia | Fri, Jun 20 | Frontier Airlines$19920% OFF$248 $199
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CHI 1:00 PM17h 25m1 stopsPHL Invalid DateChicago - Philadelphia | Fri, Jun 20 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Chicago to Philadelphia
| Cheapest one-way flight price | $58 |
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| Cheapest round-trip ticket price | $115 |
| Off-season for travel | April |
| Peak season for travel | March |
| Flight distance | 1,065.25 km |
| Average flight time | 2 hours 3 minutes |
| Popular airline | Frontier Airlines |
When is the cheapest time to fly from Chicago to Philadelphia?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Chicago (CHI) to Philadelphia (PHL) the cheapest?
Airlines adjust prices for flights from Chicago to Philadelphia based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Chicago (CHI) to Philadelphia (PHL) cost?
According to Trip.com's data, the lowest price is around $304. -
How long does it take to fly from Chicago (CHI) to Philadelphia (PHL) and what is the distance?
It takes around 2 hours 3 minutes to fly from Chicago (CHI) to Philadelphia (PHL). -
What are the most popular airlines that fly from Chicago (CHI) to Philadelphia (PHL)?
Airlines with flights from Chicago (CHI) to Philadelphia (PHL): Alaska Airlines, Southwest Airlines, British Airways, American Airlines, United Airlines and Iberia.
How to find a cheap flight from Chicago to Philadelphia
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Philadelphia. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Chicago to Philadelphia ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Chicago to Philadelphia for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $59 for a one-way ticket on Mon, Aug 11.
Compare cheap Chicago to Philadelphia flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Chicago to Philadelphia. The most affordable airline currently operating on this route is Frontier Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Chicago to Philadelphia route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Chicago to Philadelphia flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Chicago to Philadelphia to access exclusive deals just for you.
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