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$81+ Cheap flights from O'Hare Intl (ORD) to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Philadelphia are usually found in September or October, booked 54 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from O'Hare Intl to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$156
(Cheapflightsfares)

One-way from

$81
(United Airlines)

Popular in

February

Cheapest in

September

Average price

$243

Good round-trip deal

$214 or less

Good one-way deal

$109 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Philadelphia flights.
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From Chicago O'Hare Intl to Philadelphia
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One-way flight from Chicago O'Hare Intl to Philadelphia
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Highest demand for flights based on searches. 30% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Philadelphia.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Philadelphia.
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Find flight deals from O'Hare Intl to Philadelphia

Cheapest flights from O'Hare Intl to Philadelphia
Explore the most affordable flight options available from O'Hare Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/268:24 amORD - PHL
Nonstop2h 19mFrontier
Mon 6/305:48 pmPHL - ORD
Nonstop2h 29mFrontier
Deal found 5/11$156
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2910:00 amORD - PHL
1 stop6h 27mMultiple Airlines
Mon 6/24:28 pmPHL - ORD
Nonstop2h 36mMultiple Airlines
Deal found 5/11$159
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/269:23 pmORD - PHL
Nonstop2h 07mUnited Airlines
Tue 7/16:30 amPHL - ORD
Nonstop2h 24mUnited Airlines
Deal found 5/11$179
This Mytrip deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/277:47 amORD - PHL
1 stop23h 01mSpirit Airlines
Thu 5/2912:23 pmPHL - ORD
1 stop21h 32mSpirit Airlines
Deal found 5/10$182
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/111:00 amORD - PHL
1 stop4h 16mDelta
Thu 7/244:05 pmPHL - ORD
1 stop6h 25mDelta
Deal found 5/11$206
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/109:22 amORD - PHL
1 stop4h 17mAmerican Airlines
Tue 6/177:30 amPHL - ORD
Nonstop2h 30mAmerican Airlines
Deal found 5/12$227
This Southwest deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/302:55 pmORD - PHL
1 stop4h 30mSouthwest
Mon 9/11:35 pmPHL - ORD
1 stop8h 55mSouthwest
Deal found 5/10$261

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Philadelphia that are best for you.

Fly from

O'Hare Intl

Fly to

Philadelphia

Route

Depart

Return

Price

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 6/26

8:24 am-11:43 am

Nonstop2h 19m

Philadelphia

Mon 6/30

5:48 pm-7:17 pm

Nonstop2h 29m

$156

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 5/29

10:00 am-5:27 pm

1 stop6h 27m

Philadelphia

Mon 6/2

4:28 pm-6:04 pm

Nonstop2h 36m

$159

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 6/26

9:23 pm-12:30 am

Nonstop2h 07m

Philadelphia

Tue 7/1

6:30 am-7:54 am

Nonstop2h 24m

$179

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 5/27

7:47 am-7:48 am

1 stop23h 01m

Philadelphia

Thu 5/29

12:23 pm-8:55 am

1 stop21h 32m

$182

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 7/1

11:00 am-4:16 pm

1 stop4h 16m

Philadelphia

Thu 7/24

4:05 pm-9:30 pm

1 stop6h 25m

$206

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 6/10

9:22 am-2:39 pm

1 stop4h 17m

Philadelphia

Tue 6/17

7:30 am-9:00 am

Nonstop2h 30m

$227

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 6/26

6:00 am-5:15 pm

1 stop10h 15m

Philadelphia

Tue 7/1

5:30 am-12:45 pm

1 stop8h 15m

$290

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 7/1

11:20 am-2:29 pm

Nonstop2h 09m

$81

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 5/29

10:00 am-5:27 pm

1 stop6h 27m

$82

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 6/26

8:24 am-11:43 am

Nonstop2h 19m

$86

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 15 results
1
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Compare providers for flights from O'Hare Intl to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Philadelphia in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Philadelphia flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-Philadelphia flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Philadelphia flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Chicago O'Hare Intl Airport to Philadelphia flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Philadelphia trip
Airlines
Frontier

Frontier offers extra comfort seats with 32” separation for a fee, enhancing short-haul comfort.


Frontier's Zone 1 boarding is available with a carry-on purchase or special fare bundle.

Read more about Frontierby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom, ideal for a comfortable short-haul flight.


United's MileagePlus program allows pooling miles, useful for frequent ORD-PHL travelers.

Read more about United Airlinesby Harriet Baskas
Airports
ORD

For a quick departure, use the 'L' train to avoid Chicago traffic when heading to ORD.

Read more about ORDby Ramsey Qubein
PHL

Use SEPTA rail for efficient travel to Center City from PHL, with stations near Terminals A, B, C/D, and E/F.

Read more about PHLby Mark Chesnut
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more

Best time to book a flight from O'Hare Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Philadelphia

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Philadelphia. Price data was last updated on May 9, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Philadelphia, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Philadelphia (average of $236). Flying from Chicago O'Hare Intl Airport to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to PHL?

Find hourly flight availability from O'Hare Intl to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Philadelphia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 59% on airfare.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Philadelphia. Price data was last updated on May 11, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Philadelphia flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago O'Hare Intl Airport to Philadelphia

Explore weekly flight availability from O'Hare Intl to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 12, 2025.

The most flights from ORD to PHL are scheduled on a Monday (46 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (38 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated May 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Chicago to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from Chicago O'Hare Intl?

    Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from Chicago O'Hare Intl. On average, Philadelphia has 41 inbound flights from Chicago O'Hare Intl per day from 4 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Philadelphia round-trip?

    Currently priced at $156, Frontier will fly you from Chicago O'Hare Intl Airport to Philadelphia and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and United Airlines - these airlines can fly you to your destination from $177 and $179, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Philadelphia for 36% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Philadelphia one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $81. Spirit Airlines flights start at $82 while deals on Frontier start at $86 one-way.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Philadelphia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to Philadelphia on time: Qatar Airways (84%), Air Canada (83%), Alaska Airlines (81%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Philadelphia?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Philadelphia? While on average our users pay $525, our data indicates the cheapest price to be $80. The most popular route (Chicago O'Hare Intl - Philadelphia), is priced around $138.

  • Can I find deals for flights from O'Hare Intl to Philadelphia that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Philadelphia.

  • Can I find deals for business class flights from O'Hare Intl to Philadelphia?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Philadelphia (average of $236). Flying from Chicago O'Hare Intl Airport to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Vineland
Pottstown
Wildwood
Reading
King of Prussia
Cherry Hill
Exton
Ocean City
Essington
Chester
Middletown
Willow Grove
Newark
Millville
Dover
Ephrata
Camden
Dewey Beach
Glen Mills
Springfield

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Alternative routes for O'Hare Intl to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from O'Hare Intl to Philadelphia

Discover the top 4 airlines that operate flights from O'Hare Intl to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$101FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$63Average$333FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$137Average$300FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$149Average$271FlexibilityNo cancel feeOn-time71%

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