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$97+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Find cheap flights from O'Hare Intl to Philadelphia with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Philadelphia are usually found in October or September, booked 77 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 March 24, 2026.

This Frontier deal was found by Cheapflights users on 3/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:52 pm
ORD
-
PHL
Nonstop2h 26m
Frontier
Mon 6/15:06 pm
PHL
-
ORD
Nonstop2h 38m
Frontier
Deal found 3/22$182
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:37 pm
ORD
-
PHL
Nonstop2h 14m
Frontier
Wed 4/2211:02 am
PHL
-
ORD
1 stop6h 58m
Frontier
Deal found 3/23$184
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:56 pm
ORD
-
PHL
Nonstop2h 26m
Frontier
Sun 5/177:45 am
PHL
-
ORD
1 stop6h 09m
Frontier
Deal found 3/23$185
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:56 pm
ORD
-
PHL
Nonstop2h 26m
Frontier
Sun 5/109:16 pm
PHL
-
ORD
1 stop26h 57m
Frontier
Deal found 3/18$186
This Super.com deal was found by Cheapflights users on 3/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/121:02 pm
ORD
-
PHL
1 stop24h 29m
Frontier
Tue 4/1411:02 am
PHL
-
ORD
1 stop6h 58m
Frontier
Deal found 3/23$187
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Fri 4/246:00 am
ORD
-
PHL
1 stop8h 27m
Frontier
Sat 4/258:00 am
PHL
-
ORD
1 stop14h 17m
Frontier
Deal found 3/23$188
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/161:27 pm
ORD
-
PHL
1 stop8h 43m
Frontier
Mon 4/207:24 pm
PHL
-
ORD
2 stops39h 38m
Frontier
Deal found 3/23$189
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:05 am
ORD
-
PHL
1 stop15h 39m
Frontier
Wed 6/106:00 am
PHL
-
ORD
1 stop7h 25m
Frontier
Deal found 3/22$190
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:37 pm
ORD
-
PHL
1 stop10h 26m
Frontier
Mon 5/46:10 am
PHL
-
ORD
1 stop13h 04m
Frontier
Deal found 3/23$191
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:20 pm
ORD
-
PHL
Nonstop2h 14m
Frontier
Wed 4/2911:02 am
PHL
-
ORD
1 stop6h 58m
Frontier
Deal found 3/23$192
This Trip.com deal was found by Cheapflights users on 3/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:52 pm
ORD
-
PHL
Nonstop2h 26m
Frontier
Tue 5/268:00 am
PHL
-
ORD
1 stop29h 37m
Frontier
Deal found 3/22$193

Find 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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(Frontier)

One-way from

$97
(iWofly)

Popular in

March

Cheapest in

October

Average price

$380

Good round-trip deal

$275 or less

Good one-way deal

$184 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Philadelphia flights.
Search Deals
From Chicago O'Hare Intl to Philadelphia
Search Deals
One-way flight from Chicago O'Hare Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Philadelphia.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Philadelphia.
Search Deals

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 March 24, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Fri 5/29

7:52 pm-11:18 pm

Nonstop2h 26m

Philadelphia

Sun 5/31

5:06 pm-6:44 pm

Nonstop2h 38m

$223

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Wed 4/22

11:05 am-2:16 pm

Nonstop2h 11m

Philadelphia

Wed 4/29

11:36 am-1:04 pm

Nonstop2h 28m

$237
Quickest round-trip

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 4/30

9:59 pm-12:59 am

Nonstop2h 00m

Philadelphia

Sat 5/2

6:10 am-7:39 am

Nonstop2h 29m

$237

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Mon 5/11

9:54 pm-12:59 am

Nonstop2h 05m

Philadelphia

Tue 5/12

5:05 pm-6:34 pm

Nonstop2h 29m

$237

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Mon 5/11

9:41 am-5:38 pm

1 stop6h 57m

Philadelphia

Tue 5/12

1:30 pm-7:51 pm

1 stop7h 21m

$253

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 6/23

6:00 am-3:02 pm

1 stop8h 02m

Philadelphia

Sat 6/27

6:00 am-9:24 am

1 stop4h 24m

$303

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Mon 6/8

5:22 pm-11:17 pm

1 stop4h 55m

Philadelphia

Sat 6/13

6:05 am-10:35 am

1 stop5h 30m

$311

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sun 8/2

6:00 am-1:26 pm

1 stop6h 26m

Philadelphia

Sat 8/8

4:05 pm-8:18 pm

1 stop5h 13m

$311

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Fri 6/5

8:40 am-2:10 pm

1 stop4h 30m

Philadelphia

Sat 6/13

7:45 pm-11:26 pm

1 stop4h 41m

$311

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 4/11

9:50 am-4:33 pm

1 stop5h 43m

Philadelphia

Wed 4/15

11:38 am-6:13 pm

1 stop7h 35m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 23 resultsSorted by cheapest first
1
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3

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 March 13, 2026.

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 77 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Philadelphia (average of $34). Flying from Chicago O'Hare Intl Airport to Philadelphia in July is currently the most expensive (average of $102). 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 March 24, 2026.

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 33% 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 March 14, 2026.

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

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Philadelphia trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

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
Marisa Garcia

Marisa Garcia

Expert on Frontier

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
Ramsey Qubein

Ramsey Qubein

Expert on ORD

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 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

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 March 24, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andFrontier from Chicago O'Hare Intl Airport to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,463 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,463 reviews
United Airlines
7.4
Good
9,463 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,486 reviews
United Airlines
7.4
Good
9,463 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.7
Fair
3,020 reviews
United Airlines
7.4
Good
9,463 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 33 inbound flights from Chicago O'Hare Intl per day from 3 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Philadelphia?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Philadelphia in 2h 11m. Fly via Frontier or United Airlines to get the fastest option. The distance from Chicago O'Hare Intl Airport to Philadelphia is about 676 mi. Generally, flights for this route are nonstop.

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

    Currently priced at $71, 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 United Airlines and American Airlines - these airlines can fly you to your destination from $148 and $157, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Philadelphia for 73% 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 Frontier, which is currently one of the cheapest options available, starting at $48. American Airlines flights start at $80 while deals on Spirit Airlines start at $81 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: Volaris (79%), Republic Airways (76%), Air Canada (73%).

  • 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 $769, our data indicates the cheapest price to be $88. The most popular route (Chicago O'Hare Intl - Philadelphia), is priced around $164.

  • 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Philadelphia (average of $34). Flying from Chicago O'Hare Intl Airport to Philadelphia in July is currently the most expensive (average of $102). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Reading
King of Prussia
Camden
Ocean City
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Cherry Hill
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from O'Hare Intl to Philadelphia

Discover the top 3 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$171FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$148Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$295FlexibilityNo cancel feeOn-time71%

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