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$39+ 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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Pennsylvania

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Pennsylvania (USPA). 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 November 21, 2024.

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 November 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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 12/66:07 pmORD - PHL
Nonstop2h 07mFrontier
Mon 12/99:10 pmPHL - ORD
Nonstop2h 28mFrontier
Deal found 11/20$77
This FlightHub deal was found by Cheapflights users on 11/20. 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.
Thu 11/284:29 pmORD - LGA
Nonstop1h 55mSpirit Airlines
Wed 12/48:36 amLGA - ORD
Nonstop2h 41mSpirit Airlines
Deal found 11/20$95
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Sun 12/84:19 pmORD - LGA
Nonstop2h 05mMultiple Airlines
Wed 12/115:59 pmLGA - ORD
1 stop15h 25mMultiple Airlines
Deal found 11/20$101
This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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.
Tue 12/38:27 pmORD - EWR
1 stop11h 33mSpirit Airlines
Tue 12/1710:55 pmEWR - ORD
Nonstop2h 39mSpirit Airlines
Deal found 11/20$109
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Wed 12/116:31 amORD - PHL
Nonstop2h 01mAmerican Airlines
Mon 12/169:30 amPHL - ORD
Nonstop2h 30mAmerican Airlines
Deal found 11/21$131
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Mon 12/236:00 amMDW - JFK
1 stop26h 03mFrontier
Wed 1/811:00 amJFK - MDW
1 stop7h 57mFrontier
Deal found 11/20$134
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/94:58 pmORD - PHL
Nonstop2h 07mMultiple Airlines
Tue 12/107:16 amPHL - ORD
1 stop13h 59mMultiple Airlines
Deal found 11/20$136
This CheapOair deal was found by Cheapflights users on 11/19. 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.
Mon 12/169:57 pmMDW - LGA
1 stop17h 32mFrontier
Tue 12/315:29 pmLGA - MDW
1 stop15h 52mFrontier
Deal found 11/19$138
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Mon 12/166:07 pmORD - JFK
1 stop18h 52mFrontier
Tue 12/313:00 pmJFK - ORD
1 stop19h 24mFrontier
Deal found 11/20$138
This Frontier deal was found by Cheapflights users on 11/20. 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 12/1310:59 amORD - IAD
1 stop6h 20mFrontier
Wed 12/183:25 pmIAD - ORD
1 stop7h 20mFrontier
Deal found 11/20$138
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/146:00 pmORD - LGA
Nonstop2h 11mUnited Airlines
Tue 1/147:25 pmLGA - ORD
Nonstop2h 49mUnited Airlines
Deal found 11/20$147
This JetBlue deal was found by Cheapflights users on 11/20. 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.
Tue 12/1010:14 amORD - JFK
Nonstop2h 16mJetBlue
Tue 12/177:29 amJFK - ORD
Nonstop2h 49mJetBlue
Deal found 11/20$147

Find flights from Illinois to Pennsylvania within your budget

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 2,629,791 searches. Data last updated November 21, 2024.

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Fly to

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Route

Depart

Return

Price

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Fri 12/6

6:07 pm-9:14 pm

Nonstop2h 07m

Philadelphia

Mon 12/9

9:10 pm-10:38 pm

Nonstop2h 28m

$77

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Tue 1/21

2:59 pm-10:00 pm

1 stop6h 01m

New York LaGuardia

Tue 1/28

10:59 am-12:39 pm

Nonstop2h 40m

$95

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Tue 12/24

4:45 pm-8:00 pm

Nonstop2h 15m

New York LaGuardia

Wed 12/25

9:05 pm-10:43 pm

Nonstop2h 38m

$96

ChicagoNew York

MDW - LGA

MDWLGA

Chicago Midway

Thu 1/23

7:25 am-5:00 pm

1 stop8h 35m

New York LaGuardia

Tue 1/28

10:59 am-4:16 pm

1 stop6h 17m

$104

ChicagoNew York

ORD - JFK

ORDJFK

Chicago O'Hare Intl

Thu 2/6

6:36 pm-6:30 am

1 stop10h 54m

New York John F Kennedy Intl

Wed 2/12

11:01 am-4:56 pm

1 stop6h 55m

$105

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Tue 1/14

3:00 pm-10:00 pm

1 stop6h 00m

New York LaGuardia

Wed 1/15

5:00 pm-9:27 am

1 stop17h 27m

$106

ChicagoNew York

MDW - JFK

MDWJFK

Chicago Midway

Thu 1/30

12:43 pm-6:30 am

1 stop16h 47m

New York John F Kennedy Intl

Mon 2/3

11:00 am-3:43 pm

1 stop5h 43m

$108

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Tue 12/3

8:27 pm-9:00 am

1 stop11h 33m

Newark

Tue 12/17

10:55 pm-12:34 am

Nonstop2h 39m

$109

ChicagoNewark

MDW - EWR

MDWEWR

Chicago Midway

Wed 2/12

8:12 am-9:10 pm

1 stop11h 58m

Newark

Tue 2/18

10:10 pm-7:07 am

1 stop9h 57m

$116

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Wed 1/15

12:42 pm-9:10 pm

1 stop7h 28m

Newark

Wed 1/29

9:00 am-4:08 pm

1 stop8h 08m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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.

Travel insights for flights from Illinois to Pennsylvania

Get recent, data-driven insights about flights from Illinois to Pennsylvania including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Pennsylvania (average of $234). Flying from Illinois to Pennsylvania in March is currently the most expensive (average of $284). 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 November 21, 2024.

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 November 21, 2024.

The most flights from USIL to USPA are scheduled on a Thursday (40 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 November 21, 2024.
See what other customers who have flown with JetBlue, Delta and Frontier from Illinois to Pennsylvania have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Porter Airlines
7.8
Good
286 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Air Transat
7.8
Good
389 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 Frontier, with whom users have recently found tickets for as low as $39. However, be on the lookout for offers from Spirit Airlines and American 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, September is the cheapest month in which you can book a flight from Illinois to Pennsylvania (average of $234). Flying from Illinois to Pennsylvania in March is currently the most expensive (average of $284). 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.

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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 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$50Average$108FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$74Average$129FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$113Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$138Average$387FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$138Average$338FlexibilityNo cancel feeOn-time63%
DeltaCheapest$182Average$341FlexibilityNo cancel feeOn-timeN/A
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