HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pennsylvania

$60+ Cheap flights from Illinois to Pennsylvania

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Pennsylvania 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Illinois to Pennsylvania

Cheapest flights from Illinois to Pennsylvania
Explore the most affordable flight options available from Illinois to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:34 pmORD - LGA
Nonstop2h 08mSpirit Airlines
Tue 11/1112:59 pmLGA - ORD
Nonstop2h 32mSpirit Airlines
Deal found 10/28$86
This Frontier deal was found by Cheapflights users on 10/29. 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 11/186:40 amORD - JFK
Nonstop2h 23mFrontier
Tue 11/181:00 pmJFK - ORD
1 stop12h 59mFrontier
Deal found 10/29$86
This Flightnetwork deal was found by Cheapflights users on 10/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:34 pmORD - LGA
Nonstop2h 08mSpirit Airlines
Mon 11/174:59 pmLGA - ORD
Nonstop2h 35mSpirit Airlines
Deal found 10/30$87
This Frontier deal was found by Cheapflights users on 10/29. 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 11/116:40 amORD - JFK
Nonstop2h 23mFrontier
Thu 11/207:00 amJFK - ORD
1 stop11h 13mFrontier
Deal found 10/29$87
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:52 amORD - LGA
1 stop11h 29mSpirit Airlines
Wed 11/194:59 pmLGA - ORD
Nonstop2h 35mSpirit Airlines
Deal found 10/28$88
This Frontier deal was found by Cheapflights users on 10/30. 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 11/126:40 amORD - JFK
Nonstop2h 23mFrontier
Thu 12/1110:00 amJFK - ORD
1 stop8h 27mFrontier
Deal found 10/30$88
This Spirit deal was found by Cheapflights users on 10/29. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:10 amORD - LGA
1 stop9h 49mSpirit Airlines
Tue 11/184:59 pmLGA - ORD
Nonstop2h 35mSpirit Airlines
Deal found 10/29$89
This Frontier deal was found by Cheapflights users on 10/30. 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 11/136:40 amORD - JFK
Nonstop2h 23mFrontier
Thu 11/131:05 pmJFK - ORD
1 stop12h 54mFrontier
Deal found 10/30$89
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 11/203:53 pmORD - LGA
Nonstop2h 07mSpirit Airlines
Sun 11/237:30 amLGA - ORD
Nonstop2h 31mSpirit Airlines
Deal found 10/30$90
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/106:40 amORD - JFK
Nonstop2h 23mFrontier
Tue 11/1111:00 amJFK - ORD
Nonstop2h 45mFrontier
Deal found 10/29$90
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:59 amORD - LGA
Nonstop2h 05mSpirit Airlines
Tue 12/98:41 pmLGA - ORD
Nonstop2h 30mSpirit Airlines
Deal found 10/28$91
This Trip.com deal was found by Cheapflights users on 10/29. 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.
Thu 11/137:05 amORD - JFK
1 stop6h 55mFrontier
Fri 11/1411:00 amJFK - ORD
Nonstop2h 45mFrontier
Deal found 10/29$91

Cheap flight deals from Illinois to Pennsylvania

Keep the following information in mind while searching for Illinois to Pennsylvania flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$86
(Cheapflightsfares)

One-way from

$60
(Expedia)

Popular in

March

Cheapest in

October

Average price

$196

Good round-trip deal

$129 or less

Good one-way deal

$48 or less
Provider with most accurate pricing for Chicago (CHI)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Philadelphia flights.
Search Deals
From Illinois to Pennsylvania
Search Deals
One-way flight from Illinois to Pennsylvania
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Pennsylvania.
Search Deals
Price to beat on a one-way flight from Illinois to Pennsylvania.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Pennsylvania 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 October 30, 2025.
Use the filters below to find and compare flights from Illinois to Pennsylvania that are best for you.

Fly from

Illinois

Fly to

Pennsylvania

Route

Depart

Return

Price

ChicagoNew York

MDW - JFK

MDWJFK

Chicago Midway

Wed 11/12

2:06 pm-12:33 am

1 stop9h 27m

New York John F Kennedy Intl

Sun 11/16

6:59 am-8:32 am

1 stop26h 33m

$127

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

Sat 11/15

10:00 am-4:54 pm

1 stop5h 54m

New York John F Kennedy Intl

Sat 11/15

7:00 pm-8:52 pm

Nonstop2h 52m

$135

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Wed 11/12

11:00 am-2:11 pm

Nonstop2h 11m

New York LaGuardia

Mon 11/17

9:15 pm-10:57 pm

Nonstop2h 42m

$137

ChicagoNew York

MDW - LGA

MDWLGA

Chicago Midway

Wed 1/21

5:55 pm-9:00 pm

Nonstop2h 05m

New York LaGuardia

Mon 1/26

6:00 am-7:40 am

Nonstop2h 40m

$139

ChicagoNew York

MDW - LGA

MDWLGA

Chicago Midway

Wed 1/7

7:15 pm-10:20 pm

Nonstop2h 05m

New York LaGuardia

Thu 1/8

9:45 pm-11:15 pm

Nonstop2h 30m

$139

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 12/6

11:05 am-2:07 pm

Nonstop2h 02m

Philadelphia

Tue 12/9

10:15 am-11:35 am

Nonstop2h 20m

$139

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Sat 11/8

7:20 pm-10:41 pm

Nonstop2h 21m

New York LaGuardia

Mon 11/10

8:50 pm-10:35 pm

Nonstop2h 45m

$143

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

Mon 11/17

7:00 am-10:26 am

Nonstop2h 26m

New York John F Kennedy Intl

Thu 11/20

10:50 am-12:39 pm

Nonstop2h 49m

$143

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

Sat 11/15

6:45 am-9:59 am

Nonstop2h 14m

New York John F Kennedy Intl

Thu 11/20

10:55 am-12:48 pm

Nonstop2h 53m

$143

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Wed 11/12

2:00 pm-5:07 pm

Nonstop2h 07m

New York LaGuardia

Sun 11/16

7:15 am-8:57 am

Nonstop2h 42m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Illinois 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 Illinois to Pennsylvania

What is the cheapest month to book a flight from Illinois to Pennsylvania?

Currently, November is the cheapest month in which you can book a flight from Illinois to Pennsylvania (average of $67). Flying from Illinois to Pennsylvania in July is currently the most expensive (average of $139). 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 IL to PA?

Find hourly flight availability from Illinois to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Illinois to Pennsylvania in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Illinois to Pennsylvania?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Pennsylvania. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Pennsylvania flight should consider departing on Friday at noon 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.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from Illinois to Pennsylvania, such as 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
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Illinois to Pennsylvania. 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 Illinois to Pennsylvania?

    Departing from Illinois to Pennsylvania will take you 2h 11m. The distance from Illinois to Pennsylvania is about 731 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Pennsylvania one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $61. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Illinois to Pennsylvania for a low price.

  • Can I find deals for flights from Illinois to Pennsylvania that include hotel bookings?

    Yes. In addition to deals on Illinois to Pennsylvania flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Pennsylvania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Pennsylvania.

  • Can I find deals for business class flights from Illinois to Pennsylvania?

    Yes. Cheapflights offers flight deals from Illinois to Pennsylvania 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 Illinois to Pennsylvania?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Pennsylvania (average of $67). Flying from Illinois to Pennsylvania in July is currently the most expensive (average of $139). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Miami flights
Newark to Miami flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Los Angeles flights
Newark to Fort Lauderdale flights
Dallas/Fort Worth to John F Kennedy Intl flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Dallas/Fort Worth flights
Dallas/Fort Worth to LaGuardia flights
LaGuardia to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to John F Kennedy Intl flights
Newark to Los Angeles flights
John F Kennedy Intl to O'Hare Intl flights
Dallas/Fort Worth to Newark flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to West Palm Beach flights
Los Angeles to Newark flights
San Francisco to Los Angeles flights
Seattle to Los Angeles flights
Newark to Orlando flights
San Francisco to Newark flights
Newark to Las Vegas flights
Los Angeles to San Francisco flights
Fort Lauderdale to Newark flights
Los Angeles to Seattle flights
Atlanta to John F Kennedy Intl flights
Los Angeles to Honolulu flights
Los Angeles to LaGuardia flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Tampa flights
LaGuardia to Hobby flights
John F Kennedy Intl to Atlanta flights
Newark to San Francisco flights
Hobby to Newark flights
Fort Lauderdale to John F Kennedy Intl flights
Dulles Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
Dallas/Fort Worth to Los Angeles flights
LaGuardia to Tampa flights
Newark to West Palm Beach flights
Newark to Tampa flights
Hobby to LaGuardia flights

Top 6 airlines flying from Illinois to Pennsylvania

Discover the top 6 airlines that operate flights from Illinois to Pennsylvania. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$260FlexibilityNo cancel feeOn-time65%
FrontierCheapest$68Average$166FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$103Average$300FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$108Average$384FlexibilityNo cancel feeOn-time71%
DeltaCheapest$108Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$116Average$397FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.