$71 Cheap Flights from Chicago (ORD) to Philadelphia (PHL)

View $71 flight on Wed, Oct 15, 2025Opens in a new window

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

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Cheap Flights from Chicago to Philadelphia (ORD-PHL)

Prices were available within the past 7 days and start at $71 for one-way flights and $141 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 30 - Tue, Sep 2
ORD
Chicago
PHL
Philadelphia
$141 Roundtrip, just found
$141
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 30 from Chicago to Philadelphia, returning Tue, Sep 2, priced at $141 just found
American Airlines
Sat, Aug 30 - Tue, Sep 2
ORD
Chicago
PHL
Philadelphia
$142 Roundtrip, just found
$142
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 30 from Chicago to Philadelphia, returning Tue, Sep 2, priced at $142 just found
United
Sat, Aug 23 - Tue, Aug 26
ORD
Chicago
PHL
Philadelphia
$152 Roundtrip, just found
$152
Roundtrip
just found
Select United flight, departing Sat, Aug 23 from Chicago to Philadelphia, returning Tue, Aug 26, priced at $152 just found
United
Tue, Sep 9 - Tue, Sep 16
ORD
Chicago
PHL
Philadelphia
$153 Roundtrip, found 1 hour ago
$153
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 9 from Chicago to Philadelphia, returning Tue, Sep 16, priced at $153 found 1 hour ago
United
Tue, Aug 19 - Wed, Aug 20
ORD
Chicago
PHL
Philadelphia
$154 Roundtrip, found 14 hours ago
$154
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Aug 19 from Chicago to Philadelphia, returning Wed, Aug 20, priced at $154 found 14 hours ago
United
Tue, Sep 9 - Tue, Sep 16
ORD
Chicago
PHL
Philadelphia
$155 Roundtrip, found 1 hour ago
$155
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 9 from Chicago to Philadelphia, returning Tue, Sep 16, priced at $155 found 1 hour ago
United
Wed, Oct 8 - Sat, Oct 11
ORD
Chicago
PHL
Philadelphia
$159 Roundtrip, found 3 hours ago
$159
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 8 from Chicago to Philadelphia, returning Sat, Oct 11, priced at $159 found 3 hours ago
Frontier Airlines
Fri, Jul 4 - Mon, Jul 7
ORD
Chicago
PHL
Philadelphia
$169 Roundtrip, just found
$169
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jul 4 from Chicago to Philadelphia, returning Mon, Jul 7, priced at $169 just found
Spirit Airlines
Sat, Sep 20 - Sat, Sep 27
ORD
Chicago
PHL
Philadelphia
$173 Roundtrip, found 1 hour ago
$173
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sat, Sep 20 from Chicago to Philadelphia, returning Sat, Sep 27, priced at $173 found 1 hour ago
Southwest Airlines
Wed, Sep 17 - Wed, Sep 24
ORD
Chicago
PHL
Philadelphia
$201 Roundtrip, found 1 hour ago
$201
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Chicago to Philadelphia, returning Wed, Sep 24, priced at $201 found 1 hour ago

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 $372
ILG
New Castle
Average driving time to city center44 min
Flights from $372
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, United
Roundtrip price
$133
Distance
676 mi
Average flight time
3 hours 5 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 August. 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 $71 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?
Cheap round-trip flights from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL) start from $134. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving ORD on July 18 2025 and touching down at PHL. The price was last updated on June 22 2025 and has not changed since.
What is the cheapest month to fly from ORD to PHL?
The cheapest flights from ORD to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 ORD to PHL?
Book a flight from ORD to PHL with American Airlines. This carrier currently offers the cheapest one-way ticket for this route, starting from $70. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on September 13 2025. Prices were last updated on June 22 2025 and have not changed since.
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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