$29 Cheap Flights from Chicago (ORD) to Philadelphia (PHL)

View $29 flight on Fri, Jan 9, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)

Cheap Flights from Chicago to Philadelphia (ORD-PHL)

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Jan 9 - Mon, Jan 12
ORD
Chicago
PHL
Philadelphia
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jan 9 from Chicago to Philadelphia, returning Mon, Jan 12, priced at $58 just found
Frontier Airlines
Mon, Jan 12 - Sun, Jan 18
ORD
Chicago
PHL
Philadelphia
$62 Roundtrip, found 1 hour ago
$62
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jan 12 from Chicago to Philadelphia, returning Sun, Jan 18, priced at $62 found 1 hour ago
Frontier Airlines
Sun, Jan 11 - Thu, Jan 15
ORD
Chicago
PHL
Philadelphia
$66 Roundtrip, found 5 hours ago
$66
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sun, Jan 11 from Chicago to Philadelphia, returning Thu, Jan 15, priced at $66 found 5 hours ago
Frontier Airlines
Fri, Jan 9 - Mon, Jan 12
ORD
Chicago
PHL
Philadelphia
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jan 9 from Chicago to Philadelphia, returning Mon, Jan 12, priced at $84 just found
Frontier Airlines
Sun, Jan 18 - Sat, Jan 24
ORD
Chicago
PHL
Philadelphia
$88 Roundtrip, found 1 hour ago
$88
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Jan 18 from Chicago to Philadelphia, returning Sat, Jan 24, priced at $88 found 1 hour ago
Frontier Airlines
Fri, Jan 23 - Tue, Jan 27
ORD
Chicago
PHL
Philadelphia
$90 Roundtrip, found 5 hours ago
$90
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Jan 23 from Chicago to Philadelphia, returning Tue, Jan 27, priced at $90 found 5 hours ago
Spirit Airlines
Wed, Jan 7 - Mon, Jan 12
ORD
Chicago
PHL
Philadelphia
$100 Roundtrip, found 3 hours ago
$100
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, Jan 7 from Chicago to Philadelphia, returning Mon, Jan 12, priced at $100 found 3 hours ago
United
Tue, Jan 6 - Mon, Jan 12
ORD
Chicago
PHL
Philadelphia
$108 Roundtrip, found 1 hour ago
$108
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Jan 6 from Chicago to Philadelphia, returning Mon, Jan 12, priced at $108 found 1 hour ago
Southwest Airlines
Sat, Jan 17 - Fri, Jan 23
ORD
Chicago
PHL
Philadelphia
$168 Roundtrip, found 1 hour ago
$168
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, Jan 17 from Chicago to Philadelphia, returning Fri, Jan 23, priced at $168 found 1 hour ago
JetBlue Airways
Tue, Jan 6 - Mon, Jan 12
ORD
Chicago
PHL
Philadelphia
$211 Roundtrip, found 1 hour ago
$211
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Tue, Jan 6 from Chicago to Philadelphia, returning Mon, Jan 12, priced at $211 found 1 hour ago

Find the cheapest month to fly from Chicago (ORD) to Philadelphia (PHL)

October is typically the cheapest month to fly

From $84 - $256 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $379
ILG
New Castle
Average driving time to city center44 min
Flights from $379
Flights from Chicago (ORD) to Philadelphia (PHL)
Origin airport
O'Hare Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$58
Distance
676 mi
Average flight time
2 hours 59 mins

Chicago to Philadelphia Flights

The cheapest times to fly from Chicago to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Philadelphia are during the month of January. You can find some of the cheapest flights from Chicago to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Philadelphia

Sunday is one of the best days to book for cheap flights from Chicago to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $29 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL) cost?
Get a cheap one-way flight from $29 or cheap return flight from $58 from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
January is the most affordable month to fly from ORD to PHL. Traveling during an off-peak travel window is often the key to scoring lower fares.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
Take a direct flight with American Airlines and go straight from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL).
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
The cheapest airline to offer flights between O'Hare Intl. Airport (ORD) and Philadelphia Intl. Airport (PHL) will vary based on your travel plans. United Airlines and American Airlines are just some good options offering reasonable prices. Use Expedia's search tool to compare airlines in one place and find the right ORD to PHL flight for your budget.
How many flights per day from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
With, on average, 9 nonstop flights departing from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL) each day, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
The 9 AM departures from ORD to PHL see the highest demand. These flights can come with a higher price due to their popularity. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from ORD to PHL?
Sunday has the most flights from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
O'Hare Intl. Airport (ORD)'s first flight to Philadelphia Intl. Airport (PHL) is at approximately 6:30AM UTC-6. With a total travel time of 2h 3m, you'll land at around 9:33AM UTC-5.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
It takes approximately 2 hours and 3 minutes to fly the 680 mi from ORD to PHL.
What airline has the least delays from ORD to PHL?
With 97% of flights typically arriving on time, Alaska Airlines has the best on-time performance for direct flights from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL). To monitor your flight status and get notified about any changes, simply head to the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
To arrive at Philadelphia Intl. Airport (PHL) on schedule, book a flight that leaves O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Philadelphia from O'Hare Intl. Airport (ORD)?
Catch a direct flight from O'Hare Intl. Airport (ORD) to Philadelphia and touch down at Philadelphia Intl. Airport (PHL). Another convenient entry point into the city is Lehigh Valley Intl. Airport (ABE).
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute bookings from ORD to PHL are typically more expensive. To secure the cheapest rates, start looking for flights early. That said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your journey.
Is it cheaper to book an ORD to PHL flight and hotel package?
You'll generally save money by booking an ORD to PHL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL)?
If you reserved your ORD to PHL flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.