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O'Hare Intl

$89+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Chicago O'Hare Intl are usually found in September 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

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 junio 12, 2025.

Round-trip from

$167
(American Airlines)

One-way from

$89
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$243

Good round-trip deal

$257 or less

Good one-way deal

$130 or less
From Philadelphia to Chicago O'Hare Intl
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One-way flight from Philadelphia to Chicago O'Hare Intl
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Highest demand for flights based on searches. 21% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Philadelphia to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Philadelphia to Chicago O'Hare Intl.
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Find 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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/259:15 pmPHL - ORD
Nonstop2h 34mAmerican Airlines
lun. 9/15:00 amORD - PHL
Nonstop2h 03mAmerican Airlines
Deal found 6/10$167
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/127:10 pmPHL - ORD
1 stop6h 00mFrontier
dom. 9/146:20 amORD - PHL
Nonstop2h 06mFrontier
Deal found 6/10$173
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/76:30 amPHL - ORD
Nonstop2h 24mUnited Airlines
dom. 8/109:23 pmORD - PHL
Nonstop2h 07mUnited Airlines
Deal found 6/10$177
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
vie. 7/45:48 pmPHL - ORD
Nonstop2h 29mMultiple Airlines
mié. 7/95:05 amORD - PHL
1 stop10h 11mMultiple Airlines
Deal found 6/11$182
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/246:00 amPHL - ORD
1 stop4h 25mDelta
mié. 10/13:35 pmORD - PHL
1 stop7h 48mDelta
Deal found 6/10$197
This Southwest deal was found by Cheapflights users on 6/10. 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.
lun. 8/257:10 amPHL - ORD
1 stop7h 55mSouthwest
sáb. 8/302:55 pmORD - PHL
1 stop4h 30mSouthwest
Deal found 6/10$210
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/275:45 amPHL - ORD
1 stop17h 43mSpirit Airlines
mar. 9/26:00 amORD - PHL
1 stop15h 42mSpirit Airlines
Deal found 6/11$224
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1110:20 amPHL - ORD
1 stop8h 35mJetBlue
dom. 9/149:42 amORD - PHL
1 stop7h 03mJetBlue
Deal found 6/9$284

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 junio 12, 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

lun. 8/25

9:15 pm-10:49 pm

Nonstop2h 34m

Chicago O'Hare Intl

lun. 9/1

5:00 am-8:03 am

Nonstop2h 03m

$167

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

vie. 8/15

11:49 am-4:38 pm

1 stop5h 49m

Chicago O'Hare Intl

dom. 8/17

4:26 pm-7:49 pm

Nonstop2h 23m

$173

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

jue. 8/7

6:30 am-7:54 am

Nonstop2h 24m

Chicago O'Hare Intl

dom. 8/10

9:23 pm-12:30 am

Nonstop2h 07m

$177

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

vie. 7/4

5:48 pm-7:17 pm

Nonstop2h 29m

Chicago O'Hare Intl

mié. 7/9

5:05 am-4:16 pm

1 stop10h 11m

$182

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

dom. 8/17

5:25 am-10:04 am

1 stop5h 39m

Chicago O'Hare Intl

sáb. 8/23

5:30 pm-11:51 pm

1 stop5h 21m

$197

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

lun. 8/25

7:10 am-2:05 pm

1 stop7h 55m

Chicago O'Hare Intl

sáb. 8/30

2:55 pm-8:25 pm

1 stop4h 30m

$210

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

mié. 8/27

5:45 am-10:28 pm

1 stop17h 43m

Chicago O'Hare Intl

mar. 9/2

6:00 am-10:42 pm

1 stop15h 42m

$224

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

mié. 6/25

12:06 pm-7:47 pm

1 stop8h 41m

Chicago O'Hare Intl

mié. 7/2

6:15 pm-8:02 pm

1 stop24h 47m

$305

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

vie. 8/29

5:15 pm-6:37 pm

Nonstop2h 22m

$89

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

vie. 8/8

9:15 pm-10:49 pm

Nonstop2h 34m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
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The best insider tips for Philadelphia to Chicago O'Hare Intl Airport 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 Philadelphia to Chicago O'Hare Intl Airport trip
Airlines
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
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
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
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 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 June 9, 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, August is the cheapest month in which you can book a flight from Philadelphia to Chicago O'Hare Intl Airport (average of $245). Flying from Philadelphia to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 junio 12, 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 42% on the cost of your flight, compared to a flight in the morning.

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 June 8, 2025.

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

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

Explore weekly flight availability from Philadelphia to O'Hare Intl. 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 junio 12, 2025.

The most flights from PHL to ORD are scheduled on a Thursday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 junio 12, 2025.
To help decide which airline to fly from Philadelphia to Chicago, see what other customers have to say about Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 34 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.

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

    According to our current data, American Airlines ($167), Frontier ($173), and United Airlines ($177) offers the cheapest pricing from Philadelphia to Chicago O'Hare Intl Airport. American Airlines is currently priced 37% 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 United Airlines, which is currently one of the cheapest options available, starting at $89. American Airlines flights start at $90 while deals on Spirit Airlines start at $93 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 (91%), Copa Airlines (89%) and Air Canada (85%).

  • 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 $1,054, our data indicates the cheapest price to be $86. The most popular route (Philadelphia - Chicago O'Hare Intl), is priced around $134.

  • 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, August is the cheapest month in which you can book a flight from Philadelphia to Chicago O'Hare Intl Airport (average of $245). Flying from Philadelphia to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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
Schaumburg
Hoffman Estates
Rosemont
Beloit
Elgin
Racine
Skokie
Arlington Heights
Rockford
Naperville
Orland Park
Elk Grove Village
Tinley Park
Northbrook
Joliet
Merrillville
Bridgeview
Glenview
Des Plaines
Lake Geneva

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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.
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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$50Average$119FlexibilityNo cancel feeOn-time62%
DeltaCheapest$118Average$277FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$144Average$292FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$155Average$289FlexibilityNo cancel feeOn-time71%

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