O'Hare Intl

$75+ Cheap flights from Philadelphia (PHL) to O'Hare Intl (ORD)

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ORD
Apr 4 — Apr 111
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Find cheap flights from Philadelphia to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Philadelphia to Chicago O'Hare Intl are usually found in October or August, booked 65 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Philadelphia to O'Hare Intl

Cheapest flights from Philadelphia to O'Hare Intl
Explore the most affordable flight options available from Philadelphia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2026.

This Frontier deal was found by Cheapflights users on 2/27. 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 4/166:29 pm
PHL
-
ORD
Nonstop2h 34m
Frontier
Sun 4/192:37 pm
ORD
-
PHL
Nonstop2h 14m
Frontier
Deal found 2/27$157
This Frontier deal was found by Cheapflights users on 3/1. 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 5/305:24 pm
PHL
-
ORD
Nonstop2h 40m
Frontier
Fri 6/57:20 am
ORD
-
PHL
1 stop12h 36m
Frontier
Deal found 3/1$158
This Frontier deal was found by Cheapflights users on 3/1. 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.
Wed 4/155:05 am
PHL
-
ORD
1 stop5h 57m
Frontier
Wed 4/226:08 pm
ORD
-
PHL
1 stop5h 46m
Frontier
Deal found 3/1$159
This Frontier deal was found by Cheapflights users on 2/28. 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 4/1312:10 pm
PHL
-
ORD
1 stop11h 29m
Frontier
Tue 4/146:08 pm
ORD
-
PHL
1 stop5h 46m
Frontier
Deal found 2/28$160
This Booking.com deal was found by Cheapflights users on 3/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:41 pm
PHL
-
ORD
1 stop10h 11m
Frontier
Mon 4/271:22 pm
ORD
-
PHL
1 stop9h 58m
Frontier
Deal found 3/1$161
This Orbitz deal was found by Cheapflights users on 2/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:25 pm
PHL
-
ORD
1 stop10h 33m
Frontier
Mon 5/42:20 pm
ORD
-
PHL
Nonstop2h 14m
Frontier
Deal found 2/28$163
This Frontier deal was found by Cheapflights users on 3/3. 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.
Wed 6/36:00 am
PHL
-
ORD
1 stop7h 29m
Frontier
Mon 6/88:04 pm
ORD
-
PHL
Nonstop2h 33m
Frontier
Deal found 3/3$164
This Frontier deal was found by Cheapflights users on 2/28. 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.
Tue 7/214:24 pm
PHL
-
ORD
Nonstop2h 45m
Frontier
Tue 7/287:04 pm
ORD
-
PHL
Nonstop2h 30m
Frontier
Deal found 2/28$165
This Super.com deal was found by Cheapflights users on 3/3. 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.
Thu 4/235:05 am
PHL
-
ORD
1 stop7h 27m
Frontier
Sun 4/2612:38 pm
ORD
-
PHL
1 stop18h 53m
Frontier
Deal found 3/3$166
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/106:25 am
PHL
-
ORD
1 stop18h 39m
Frontier
Tue 4/146:08 pm
ORD
-
PHL
1 stop5h 46m
Frontier
Deal found 3/2$167
This Priceline deal was found by Cheapflights users on 3/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:12 pm
PHL
-
ORD
1 stop7h 12m
Multiple Airlines
Mon 6/16:30 am
ORD
-
PHL
1 stop7h 06m
Multiple Airlines
Deal found 3/3$168

Find flight deals from Philadelphia to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to O'Hare Intl (ORD). 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 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Frontier)

One-way from

$75
(Cheapflightsfares)

Popular in

March

Cheapest in

October

Average price

$367

Good round-trip deal

$328 or less

Good one-way deal

$197 or less
Provider with most accurate pricing for Philadelphia-Chicago O'Hare Intl flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Chicago O'Hare Intl flights.
From Philadelphia to Chicago O'Hare Intl
One-way flight from Philadelphia to Chicago O'Hare Intl
Highest demand for flights based on searches. 18% potential increase in price ($67 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Philadelphia to Chicago O'Hare Intl.
Price to beat on a one-way flight from Philadelphia to Chicago O'Hare Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to O'Hare Intl 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 5, 2026.
Use the filters below to find and compare flights from Philadelphia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 4/18

5:00 pm-6:28 pm

Nonstop2h 28m

Chicago O'Hare Intl

Tue 4/21

9:55 pm-12:59 am

Nonstop2h 04m

$162

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 4/23

6:17 am-7:45 am

Nonstop2h 28m

Chicago O'Hare Intl

Sun 4/26

7:15 am-10:28 am

Nonstop2h 13m

$197

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 4/22

11:36 am-1:04 pm

Nonstop2h 28m

Chicago O'Hare Intl

Sun 4/26

7:15 am-10:28 am

Nonstop2h 13m

$228

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 3/24

8:00 am-9:33 am

Nonstop2h 33m

Chicago O'Hare Intl

Tue 3/31

6:20 pm-9:32 pm

Nonstop2h 12m

$238

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 5/2

5:05 pm-6:34 pm

Nonstop2h 29m

Chicago O'Hare Intl

Wed 5/6

9:54 pm-12:59 am

Nonstop2h 05m

$247

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 5/4

6:10 am-7:39 am

Nonstop2h 29m

Chicago O'Hare Intl

Tue 5/5

2:20 pm-5:32 pm

Nonstop2h 12m

$247

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 5/20

6:10 am-7:39 am

Nonstop2h 29m

Chicago O'Hare Intl

Mon 5/25

6:08 pm-9:28 pm

Nonstop2h 20m

$250

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 3/31

11:36 am-1:04 pm

Nonstop2h 28m

Chicago O'Hare Intl

Tue 3/31

6:20 pm-9:32 pm

Nonstop2h 12m

$259

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 4/2

10:00 am-11:28 am

Nonstop2h 28m

Chicago O'Hare Intl

Sat 4/4

2:20 pm-5:32 pm

Nonstop2h 12m

$270

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 3/17

5:10 pm-6:43 pm

Nonstop2h 33m

Chicago O'Hare Intl

Tue 3/24

7:15 am-10:14 am

Nonstop1h 59m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 22 resultsSorted by cheapest first
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3

Compare providers for flights from Philadelphia to O'Hare Intl

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 Philadelphia to O'Hare Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 Philadelphia-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Chicago O'Hare Intl Airport 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 Philadelphia-Chicago O'Hare Intl Airport 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 Philadelphia to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Philadelphia 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 Philadelphia to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to O'Hare Intl. Price data was last updated on February 27, 2026.

The best time to book flights from Philadelphia to Chicago O'Hare Intl Airport is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Philadelphia to Chicago O'Hare Intl Airport (average of $55). Flying from Philadelphia to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $119). 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 PHL to ORD?

Find hourly flight availability from Philadelphia to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 5, 2026.

It’s optimal to fly from Philadelphia to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to O'Hare Intl. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Philadelphia to Chicago O'Hare Intl Airport flight should consider departing on Thursday 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 Philadelphia to Chicago O'Hare Intl Airport 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 Philadelphia to Chicago O'Hare Intl Airport 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.

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.

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.

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.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated March 5, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Philadelphia to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to O'Hare Intl. 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 from for flights from Philadelphia to Chicago O'Hare Intl?

    Most people fly from Philadelphia (PHL) if they book a flight from Philadelphia to Chicago O'Hare Intl. On average, Philadelphia has 18 outbound flights to Chicago O'Hare Intl per day from 4 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

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

    Departing from Philadelphia to Chicago O'Hare Intl Airport will take you 2h 28m. The distance between Philadelphia and Chicago O'Hare Intl Airport is about 676 mi. Generally, flights for this route are nonstop.

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

    According to our current data, Frontier ($74), Delta ($98), and United Airlines ($155) offers the cheapest pricing from Philadelphia to Chicago O'Hare Intl Airport. Frontier is currently priced 74% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $52. United Airlines flights start at $80 while deals on American Airlines start at $84 one-way.

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

    The top 3 most reliable airlines when flying from Philadelphia to Chicago O'Hare Intl Airport are Emirates (100%), Royal Jordanian (87%) and Republic Airways (87%).

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

    Looking for the cheapest flight from Philadelphia to Chicago O'Hare Intl Airport? While on average our users pay $886, our data indicates the cheapest price to be $99. The most popular route (Philadelphia - Chicago O'Hare Intl), is priced around $115.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to O'Hare Intl 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 Philadelphia to Chicago O'Hare Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to Chicago O'Hare Intl Airport (average of $55). Flying from Philadelphia to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $119). 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
Schaumburg
Rosemont
Naperville
Gurnee
Hoffman Estates
Beloit
Delavan
Des Plaines
Elgin
Downers Grove
Lake Geneva
Elk Grove Village
Skokie
Oak Brook
South Holland
Libertyville
Oakbrook Terrace
Waukegan
Warrenville
Bridgeview

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Top 4 airlines flying from Philadelphia to O'Hare Intl

Discover the top 4 airlines that operate flights from Philadelphia to O'Hare Intl. 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 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$74Average$172FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$266FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$155Average$321FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$163Average$306FlexibilityNo cancel feeOn-time71%

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