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O'Hare Intl

$65+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ORD
1月 17 — 1月 241
週六 1/17
週六 1/24
1 adult, Economy
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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”

2. Select your favorite providers

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3. Compare prices and book

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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 Thursday

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 12月 18, 2025.

This Priceline deal was found by Cheapflights users on 12/15. 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.
週三 12/316:36 pmPHL - ORD
Nonstop2h 30mFrontier
週一 1/512:39 pmORD - PHL
1 stop5h 52mFrontier
Deal found 12/15$120
This Expedia deal was found by Cheapflights users on 12/17. 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.
週三 12/316:36 pmPHL - ORD
Nonstop2h 30mFrontier
週五 1/25:45 amORD - PHL
1 stop17h 41mFrontier
Deal found 12/17$121
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
週三 12/246:36 pmPHL - ORD
Nonstop2h 30mFrontier
週三 12/312:15 pmORD - PHL
Nonstop2h 15mFrontier
Deal found 12/15$127
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
週三 12/246:36 pmPHL - ORD
Nonstop2h 30mFrontier
週五 12/265:15 amORD - PHL
Nonstop2h 15mFrontier
Deal found 12/17$132
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
週三 12/246:36 pmPHL - ORD
Nonstop2h 30mFrontier
週二 12/306:50 amORD - PHL
1 stop14h 21mFrontier
Deal found 12/16$133
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
週三 12/246:36 pmPHL - ORD
Nonstop2h 30mFrontier
週五 1/25:45 amORD - PHL
1 stop15h 32mFrontier
Deal found 12/15$134
This United Airlines deal was found by Cheapflights users on 12/17. 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.
週三 12/316:35 amPHL - ORD
Nonstop2h 28mUnited Airlines
週四 1/16:15 pmORD - PHL
Nonstop2h 16mUnited Airlines
Deal found 12/17$139
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
週三 12/316:36 pmPHL - ORD
Nonstop2h 30mMultiple Airlines
週四 1/15:25 amORD - PHL
1 stop12h 44mMultiple Airlines
Deal found 12/17$142
This Frontier deal was found by Cheapflights users on 12/16. 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.
週三 12/246:36 pmPHL - ORD
Nonstop2h 30mFrontier
週四 12/255:25 amORD - PHL
1 stop10h 31mFrontier
Deal found 12/16$145

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 12月 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$99
(Kiwi.com)

One-way from

$65
(Mytrip)

Popular in

March

Cheapest in

October

Average price

$298

Good round-trip deal

$290 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Philadelphia-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Chicago O'Hare Intl flights.
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From Philadelphia to Chicago O'Hare Intl
Search Deals
One-way flight from Philadelphia to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Philadelphia to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Philadelphia to Chicago O'Hare Intl.
Search Deals

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 12月 18, 2025.
Use the filters below to find and compare flights from Philadelphia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Philadelphia

Fly to

O'Hare Intl

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週五 1/9

8:20 am-9:03 pm

1 stop13h 43m

Chicago O'Hare Intl

週三 1/14

10:48 am-10:03 pm

1 stop10h 15m

$153

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週五 1/23

5:00 pm-6:30 pm

Nonstop2h 30m

Chicago O'Hare Intl

週二 1/27

11:20 am-2:31 pm

Nonstop2h 11m

$158

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週日 2/1

5:00 pm-6:30 pm

Nonstop2h 30m

Chicago O'Hare Intl

週二 2/3

2:30 pm-5:34 pm

Nonstop2h 04m

$158

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週五 1/16

6:30 am-7:59 am

Nonstop2h 29m

Chicago O'Hare Intl

週二 1/20

8:56 am-12:07 pm

Nonstop2h 11m

$158

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週六 1/24

9:40 am-1:08 pm

1 stop4h 28m

Chicago O'Hare Intl

週六 1/24

5:35 pm-11:13 pm

1 stop4h 38m

$177

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週五 1/30

1:10 pm-2:40 pm

Nonstop2h 30m

Chicago O'Hare Intl

週日 2/1

11:20 am-2:31 pm

Nonstop2h 11m

$177

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週二 1/13

2:31 pm-7:35 pm

1 stop6h 04m

Chicago O'Hare Intl

週日 1/18

6:50 am-11:53 am

1 stop4h 03m

$178

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週五 1/9

5:00 pm-6:30 pm

Nonstop2h 30m

Chicago O'Hare Intl

週三 1/14

8:56 am-12:07 pm

Nonstop2h 11m

$178

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週四 1/1

6:00 am-11:46 am

1 stop6h 46m

Chicago O'Hare Intl

週四 1/1

9:29 pm-12:45 am

Nonstop2h 16m

$184

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

週五 1/23

4:59 pm-9:04 pm

1 stop5h 05m

Chicago O'Hare Intl

週六 1/24

6:50 am-11:38 am

1 stop3h 48m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 21 results
1
2
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 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 Philadelphia-Chicago O'Hare Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Philadelphia-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. CheapOair >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 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 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 December 12, 2025.

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 $126). 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 12月 18, 2025.

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 39% 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 December 13, 2025.

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 at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Philadelphia to Chicago O'Hare Intl Airport?

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
Airlines
United Airlines

Basic Economy allows only a personal item; no carry-on bags unless you're a MileagePlus member.


Economy Plus offers extra legroom seats at the front of the economy cabin for MileagePlus Premier members.

Read more about United AirlinesBy Harriet Baskas
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat with 32” separation for added comfort.


Frontier charges for carry-on bags; add during booking for lower fees and quicker boarding.

Read more about FrontierBy Marisa Garcia
Airports
PHL

For a quick check-in, verify your airline’s terminal before arriving at PHL. Terminals are spread out, and only some are connected by indoor walkways.

Read more about PHLBy Mark Chesnut
ORD

For a smooth arrival at ORD, consider taking the 'L' train to avoid Chicago traffic. It's a reliable option from the city center.

Read more about ORDBy Ramsey Qubein
Our travel experts
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
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
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

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 12月 18, 2025.
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.
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

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.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

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.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

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.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

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.
Spirit Airlines
6.3
Okay
8,190 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

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.
Frontier
5.8
Fair
3,081 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

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 11 outbound flights to Chicago O'Hare Intl per day from 5 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 30m. The distance between Philadelphia and Chicago O'Hare Intl Airport is about 676 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Frontier ($74), Spirit Airlines ($83), and Delta ($98) offers the cheapest pricing from Philadelphia to Chicago O'Hare Intl Airport. Frontier is currently priced 73% 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 $55. Spirit Airlines flights start at $55 while deals on American Airlines start at $85 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 ANA (80%), Japan Airlines (78%) and Copa Airlines (75%).

  • 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 $1,211, our data indicates the cheapest price to be $74. The most popular route (Philadelphia - Chicago O'Hare Intl), is priced around $84.

  • 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 $126). 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
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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Alternative routes for Philadelphia to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
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John F Kennedy Intl to Midway flights
Dulles Intl to O'Hare Intl flights
LaGuardia to Midway flights
Dulles Intl to Midway flights
Philadelphia to Midway flights
Newark to Midway flights
Reagan-National to Midway flights
Pittsburgh to O'Hare Intl flights
Pittsburgh to Midway flights
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Scranton to O'Hare Intl flights
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Allentown to Midway flights
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Harrisburg to Midway flights
Philadelphia to Rockford flights
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Elmira to Midway flights
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Top 5 airlines flying from Philadelphia to O'Hare Intl

Discover the top 5 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 12月 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$176FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$83Average$185FlexibilityNo cancel feeOn-time65%
DeltaCheapest$118Average$277FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$156Average$324FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$168Average$307FlexibilityNo cancel feeOn-time71%

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