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O'Hare Intl

$49+ Cheap flights from Pennsylvania 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ORD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Pennsylvania to O'Hare Intl

Keep the following information in mind while searching for Pennsylvania to O'Hare Intl flight deals. Data was last updated September 16, 2025.

Round-trip from

$97
(United Airlines)

One-way from

$49
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$177

Good round-trip deal

$226 or less

Good one-way deal

$142 or less
From Pennsylvania to Chicago O'Hare Intl
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One-way flight from Pennsylvania to Chicago O'Hare Intl
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Highest demand for flights based on searches. 17% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Pennsylvania to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Pennsylvania to Chicago O'Hare Intl.
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Find flight deals from Pennsylvania to O'Hare Intl

Cheapest flights from Pennsylvania to O'Hare Intl
Explore the most affordable flight options available from Pennsylvania to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:07 pmPIT - ORD
Nonstop1h 44mUnited Airlines
Thu 10/1610:35 amORD - PIT
Nonstop1h 30mUnited Airlines
Deal found 9/15$97
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:17 amPIT - ORD
Nonstop1h 42mAmerican Airlines
Mon 10/138:50 pmORD - PIT
Nonstop1h 29mAmerican Airlines
Deal found 9/15$98
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/234:10 pmPHL - ORD
Nonstop2h 30mFrontier
Sat 10/252:45 pmORD - PHL
Nonstop2h 15mFrontier
Deal found 9/15$112
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:10 pmPHL - ORD
Nonstop2h 38mFrontier
Fri 10/178:44 amORD - PHL
1 stop15h 23mFrontier
Deal found 9/15$114
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:14 pmPHL - ORD
1 stop12h 00mFrontier
Thu 10/96:50 pmORD - PHL
Nonstop2h 20mFrontier
Deal found 9/15$115
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:50 amPIT - ORD
1 stop7h 00mSouthwest
Tue 10/213:10 pmORD - PIT
1 stop5h 20mSouthwest
Deal found 9/15$117
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:21 amPHL - ORD
Nonstop2h 37mFrontier
Thu 9/258:49 pmORD - PHL
1 stop9h 46mFrontier
Deal found 9/15$118
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:04 pmPHL - ORD
Nonstop2h 38mFrontier
Sun 11/95:11 amORD - PHL
Nonstop2h 12mFrontier
Deal found 9/16$120
This Frontier deal was found by Cheapflights users on 9/14. 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 11/29:23 amPHL - ORD
Nonstop2h 29mFrontier
Fri 11/79:47 pmORD - PHL
Nonstop2h 12mFrontier
Deal found 9/14$121
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:00 amPIT - ORD
1 stop7h 45mSouthwest
Wed 10/223:10 pmORD - PIT
1 stop5h 20mSouthwest
Deal found 9/15$122
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:29 amPHL - ORD
1 stop6h 30mFrontier
Sun 11/165:11 amORD - PHL
Nonstop2h 12mFrontier
Deal found 9/14$122
This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/316:00 amPHL - ORD
Nonstop2h 26mFrontier
Fri 11/711:53 amORD - PHL
1 stop11h 46mFrontier
Deal found 9/14$123

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 September 16, 2025.
Use the filters below to find and compare flights from Pennsylvania to Chicago O'Hare Intl Airport that are best for you.

Fly from

Pennsylvania

Fly to

O'Hare Intl

Route

Depart

Return

Price

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 10/14

7:00 pm-7:50 pm

Nonstop1h 50m

Chicago O'Hare Intl

Tue 10/21

10:35 am-1:05 pm

Nonstop1h 30m

$97

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Tue 10/14

2:07 pm-2:51 pm

Nonstop1h 44m

Chicago O'Hare Intl

Thu 10/16

10:35 am-1:05 pm

Nonstop1h 30m

$97

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 11/13

11:00 am-11:44 am

Nonstop1h 44m

Chicago O'Hare Intl

Sat 11/15

7:25 am-9:54 am

Nonstop1h 29m

$97

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Mon 10/20

6:00 am-12:45 pm

1 stop7h 45m

Chicago O'Hare Intl

Wed 10/22

3:10 pm-9:30 pm

1 stop5h 20m

$122

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Wed 10/15

3:25 pm-5:02 pm

Nonstop2h 37m

Chicago O'Hare Intl

Wed 10/22

11:00 am-2:19 pm

Nonstop2h 19m

$137

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 9/30

3:13 pm-4:51 pm

Nonstop2h 38m

Chicago O'Hare Intl

Thu 10/2

11:13 am-2:18 pm

Nonstop2h 05m

$138

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Thu 2/19

7:40 pm-9:33 pm

Nonstop2h 53m

Chicago O'Hare Intl

Sat 2/21

7:00 am-10:23 am

Nonstop2h 23m

$139

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 11/5

6:00 am-7:25 am

Nonstop2h 25m

Chicago O'Hare Intl

Sat 11/8

2:20 pm-5:29 pm

Nonstop2h 09m

$139

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 1/14

10:10 am-11:38 am

Nonstop2h 28m

Chicago O'Hare Intl

Sat 1/17

2:30 pm-5:34 pm

Nonstop2h 04m

$139

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 11/1

5:07 pm-6:35 pm

Nonstop2h 28m

Chicago O'Hare Intl

Tue 11/4

7:25 am-10:24 am

Nonstop1h 59m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to O'Hare Intl

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

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

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Chicago O'Hare Intl Airport (average of $245). Flying from Pennsylvania 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 PA to ORD?

Find hourly flight availability from Pennsylvania 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 September 16, 2025.

When flying from Pennsylvania to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Explore weekly flight availability from Pennsylvania 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 September 16, 2025.

The most flights from USPA to ORD are scheduled on a Monday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania 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.

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

    Departing from Pennsylvania to Chicago O'Hare Intl Airport will take you 1h 50m. The distance from Pennsylvania to Chicago O'Hare Intl Airport is about 411 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Pennsylvania 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 $49. Delta flights start at $79 while deals on Frontier start at $79 one-way.

  • What are the most popular routes from Pennsylvania to Chicago O'Hare Intl Airport?

    The most popular flight routes from Pennsylvania to Chicago O'Hare Intl Airport are New York LaGuardia - Chicago O'Hare Intl, New York John F Kennedy Intl - Chicago O'Hare Intl and Newark - Chicago O'Hare Intl.

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

    Before booking your flight to Chicago O'Hare Intl Airport from Pennsylvania, check out the most reliable airlines to get you to your destination on time: SWISS (90%), ANA (87%), Air Canada( 74%).

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

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (New York LaGuardia - Chicago O'Hare Intl) can be booked for $57 on average, our data indicates $843 when flying from Pennsylvania to Chicago O'Hare Intl Airport.

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

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

  • How can I find direct flights from Pennsylvania 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 Pennsylvania to O'Hare Intl.

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

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

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Chicago O'Hare Intl Airport (average of $245). Flying from Pennsylvania 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

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Alternative routes for Pennsylvania to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
Newark to O'Hare Intl flights
Dallas/Fort Worth to O'Hare Intl flights
Los Angeles to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Seattle to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Dallas/Fort Worth to Midway flights
Boston to O'Hare Intl flights
Atlanta to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Denver to O'Hare Intl flights
Ontario to O'Hare Intl flights
John F Kennedy Intl to Midway flights
Santa Ana to O'Hare Intl flights
Baltimore to Midway flights
LaGuardia to Midway flights
Atlanta to Midway flights
Newark to Midway flights
Los Angeles to Midway flights
Dulles Intl to Midway flights
Sky Harbor Intl to O'Hare Intl flights
Austin to O'Hare Intl flights
San Francisco to Midway flights
Raleigh to O'Hare Intl flights
Charlotte to O'Hare Intl flights
Philadelphia to Midway flights
Minneapolis to O'Hare Intl flights
Hobby to Midway flights
Portland to O'Hare Intl flights
Burbank to O'Hare Intl flights
Hobby to O'Hare Intl flights
Providence to O'Hare Intl flights
Seattle to Midway flights
Reagan-National to Midway flights
Miami to O'Hare Intl flights
Hartford to O'Hare Intl flights
Denver to Midway flights
Cleveland to O'Hare Intl flights
Love Field to O'Hare Intl flights
Fort Lauderdale to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
San Jose to O'Hare Intl flights
Minneapolis to Midway flights
San Diego to O'Hare Intl flights
Boston to Midway flights
Orlando to O'Hare Intl flights

Top 5 airlines flying from Pennsylvania to O'Hare Intl

Discover the top 5 airlines that operate flights from Pennsylvania 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$166FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$83Average$185FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$93Average$377FlexibilityNo cancel feeOn-time71%
DeltaCheapest$118Average$273FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$130Average$372FlexibilityNo cancel feeOn-time69%

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