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$44+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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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 abril 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$102
(Cheapflightsfares)

One-way from

$61
(FlightHub)

Popular in

March

Cheapest in

August

Average price

$265

Good round-trip deal

$158 or less

Good one-way deal

$79 or less
Provider with most accurate pricing for Chicago (CHI)-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Philadelphia flights.
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From Illinois to Pennsylvania
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One-way flight from Illinois to Pennsylvania
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Highest demand for flights based on searches. 32% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Pennsylvania.
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Price to beat on a one-way flight from Illinois to Pennsylvania.
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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 abril 17, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/135:51 amORD - LGA
Nonstop2h 09mSpirit Airlines
mié. 5/286:30 pmLGA - ORD
Nonstop2h 37mSpirit Airlines
Deal found 4/16$80
This SmartFares deal was found by Cheapflights users on 4/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/99:08 pmORD - EWR
Nonstop2h 21mSpirit Airlines
lun. 5/125:55 amEWR - ORD
Nonstop2h 32mSpirit Airlines
Deal found 4/15$84
This JetBlue deal was found by Cheapflights users on 4/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/138:45 amORD - JFK
1 stop6h 42mJetBlue
mar. 5/138:00 pmJFK - ORD
Nonstop2h 54mJetBlue
Deal found 4/16$122
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/245:45 pmORD - LGA
Nonstop2h 18mDelta
mar. 5/278:55 pmLGA - ORD
Nonstop2h 46mDelta
Deal found 4/16$137
This Southwest deal was found by Cheapflights users on 4/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/256:05 amMDW - LGA
Nonstop2h 00mSouthwest
mié. 5/286:10 amLGA - MDW
Nonstop2h 20mSouthwest
Deal found 4/17$137
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/305:55 amORD - LGA
Nonstop2h 05mMultiple Airlines
dom. 5/410:50 pmLGA - ORD
1 stop9h 55mMultiple Airlines
Deal found 4/15$143
This CheapOair deal was found by Cheapflights users on 4/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2911:57 amORD - EWR
1 stop8h 08mMultiple Airlines
dom. 5/45:30 amEWR - ORD
Nonstop2h 33mMultiple Airlines
Deal found 4/17$148
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/216:18 pmORD - JFK
Nonstop2h 42mDelta
mié. 5/283:30 pmJFK - ORD
Nonstop2h 59mDelta
Deal found 4/17$153
This Frontier deal was found by Cheapflights users on 4/16. 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.
jue. 7/318:24 amORD - PHL
Nonstop2h 19mFrontier
dom. 8/35:45 amPHL - ORD
Nonstop2h 32mFrontier
Deal found 4/16$154
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/204:44 pmORD - JFK
Nonstop2h 16mAmerican Airlines
mar. 5/279:00 amJFK - ORD
Nonstop3h 09mAmerican Airlines
Deal found 4/16$154
This Flightnetwork deal was found by Cheapflights users on 4/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/139:34 amMDW - LGA
1 stop5h 55mFrontier
mié. 5/2811:30 amLGA - MDW
1 stop12h 06mFrontier
Deal found 4/16$166
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/279:20 amMDW - EWR
1 stop7h 10mDelta
mié. 5/285:59 amEWR - MDW
1 stop3h 41mDelta
Deal found 4/16$167

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 abril 17, 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

ORD - LGA

ORDLGA

Chicago O'Hare Intl

mar. 5/13

5:51 am-9:00 am

Nonstop2h 09m

New York LaGuardia

mié. 5/28

6:30 pm-8:07 pm

Nonstop2h 37m

$80

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

vie. 5/9

9:08 pm-12:29 am

Nonstop2h 21m

Newark

lun. 5/12

5:55 am-7:27 am

Nonstop2h 32m

$84

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

mar. 5/13

8:45 am-4:27 pm

1 stop6h 42m

New York John F Kennedy Intl

mar. 5/13

8:00 pm-9:54 pm

Nonstop2h 54m

$122

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

sáb. 5/24

5:45 pm-9:03 pm

Nonstop2h 18m

New York LaGuardia

lun. 5/26

6:05 am-7:42 am

Nonstop2h 37m

$137

ChicagoNew York

MDW - LGA

MDWLGA

Chicago Midway

dom. 5/25

6:05 am-9:05 am

Nonstop2h 00m

New York LaGuardia

mié. 5/28

6:10 am-7:30 am

Nonstop2h 20m

$137

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

mar. 5/13

9:08 pm-12:29 am

Nonstop2h 21m

Newark

mié. 5/28

5:59 am-2:22 pm

1 stop9h 23m

$142

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

mié. 4/30

5:55 am-9:00 am

Nonstop2h 05m

New York LaGuardia

dom. 5/4

10:50 pm-7:45 am

1 stop9h 55m

$143

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

mar. 5/20

4:44 pm-8:00 pm

Nonstop2h 16m

New York John F Kennedy Intl

mar. 5/27

9:00 am-11:09 am

Nonstop3h 09m

$154

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dom. 5/11

9:48 am-12:56 pm

Nonstop2h 08m

Philadelphia

lun. 5/12

5:01 pm-6:29 pm

Nonstop2h 28m

$159

ChicagoNew York

MDW - LGA

MDWLGA

Chicago Midway

mar. 5/13

9:34 am-4:29 pm

1 stop5h 55m

New York LaGuardia

mié. 5/28

11:30 am-10:36 pm

1 stop12h 06m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Illinois to Pennsylvania (average of $236). Flying from Illinois to Pennsylvania in March is currently the most expensive (average of $295). 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 abril 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Pennsylvania as you normally would.

Weekly flight availability from Illinois to Pennsylvania

Explore weekly flight availability from Illinois to Pennsylvania. 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 abril 17, 2025.

The most flights from USIL to USPA are scheduled on a Thursday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pennsylvania ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Pennsylvania when rainfall is around 2.7 in.

Temperature in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pennsylvania, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 abril 17, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to Pennsylvania have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $61. However, be on the lookout for offers from Southwest and United Airlines, 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, August is the cheapest month in which you can book a flight from Illinois to Pennsylvania (average of $236). Flying from Illinois to Pennsylvania in March is currently the most expensive (average of $295). 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

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Alternative routes for Illinois to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Pennsylvania

Discover the top 5 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$52Average$108FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$63Average$333FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$103Average$301FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$125Average$396FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$136Average$370FlexibilityNo cancel feeOn-time69%

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