Illinois

$93+ Cheap flights from Pennsylvania to Illinois

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ORD
Jul 11 — Jul 181
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Cheap flight deals from Pennsylvania to Illinois

Cheapest flights from Pennsylvania to Illinois
Explore the most affordable flight options available from Pennsylvania to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This Super.com deal was found by Cheapflights users on 6/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:59 am
JFK
-
ORD
Nonstop2h 45m
JetBlue
Sat 7/115:27 pm
ORD
-
JFK
Nonstop2h 33m
JetBlue
Deal found 6/6$181
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 7/77:05 am
JFK
-
ORD
Nonstop2h 45m
JetBlue
Wed 7/89:40 am
ORD
-
JFK
Nonstop2h 19m
JetBlue
Deal found 6/8$182
This Southwest deal was found by Cheapflights users on 6/8. 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 8/127:15 am
LGA
-
MDW
1 stop7h 15m
Southwest
Wed 8/124:40 pm
MDW
-
LGA
1 stop5h 35m
Southwest
Deal found 6/8$183
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Tue 7/217:59 am
JFK
-
ORD
Nonstop3h 03m
American Airlines
Tue 7/284:30 pm
ORD
-
JFK
Nonstop2h 34m
American Airlines
Deal found 6/7$184
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.
Fri 8/285:55 pm
LGA
-
MDW
Nonstop2h 25m
Southwest
Mon 8/317:50 pm
MDW
-
LGA
Nonstop2h 05m
Southwest
Deal found 6/10$184
This Super.com deal was found by Cheapflights users on 6/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:00 pm
JFK
-
ORD
Nonstop2h 58m
JetBlue
Wed 7/156:30 pm
ORD
-
JFK
Nonstop2h 36m
JetBlue
Deal found 6/8$185
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 am
LGA
-
ORD
Nonstop2h 49m
American Airlines
Sat 8/226:00 am
ORD
-
LGA
Nonstop2h 13m
American Airlines
Deal found 6/9$185
This Southwest deal was found by Cheapflights users on 6/8. 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.
Fri 8/216:00 am
LGA
-
MDW
Nonstop2h 15m
Southwest
Tue 8/252:15 pm
MDW
-
LGA
1 stop7h 15m
Southwest
Deal found 6/8$185
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:05 am
JFK
-
ORD
Nonstop2h 46m
JetBlue
Sat 7/259:41 am
ORD
-
JFK
Nonstop2h 19m
JetBlue
Deal found 6/7$186
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 7/184:00 pm
LGA
-
ORD
Nonstop3h 08m
American Airlines
Tue 7/217:00 am
ORD
-
LGA
Nonstop2h 16m
American Airlines
Deal found 6/7$186
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.
Wed 8/2610:55 am
LGA
-
MDW
Nonstop2h 20m
Southwest
Sat 8/291:45 pm
MDW
-
LGA
1 stop7h 35m
Southwest
Deal found 6/10$186
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:20 am
JFK
-
ORD
Nonstop2h 53m
Delta
Wed 7/86:00 am
ORD
-
JFK
Nonstop2h 24m
Delta
Deal found 6/11$187

Find flight deals from Pennsylvania to Illinois

Keep the following information in mind while searching for Pennsylvania to Illinois flight deals. Data was last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$181
(Super.com)

One-way from

$93
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$333

Good round-trip deal

$290 or less

Good one-way deal

$147 or less
Provider with most accurate pricing for Philadelphia-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Chicago (CHI) flights.
From Pennsylvania to Illinois
One-way flight from Pennsylvania to Illinois
Highest demand for flights based on searches. 16% potential increase in price ($55 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Pennsylvania to Illinois.
Price to beat on a one-way flight from Pennsylvania to Illinois.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Illinois 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 June 11, 2026.
Use the filters below to find and compare flights from Pennsylvania to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 7/4

6:59 am-8:44 am

Nonstop2h 45m

Chicago O'Hare Intl

Wed 7/8

6:30 pm-10:06 pm

Nonstop2h 36m

$187

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 9/5

7:35 pm-9:52 pm

Nonstop3h 17m

Chicago O'Hare Intl

Tue 9/8

6:10 pm-9:49 pm

Nonstop2h 39m

$187

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Wed 8/12

7:30 am-9:06 am

Nonstop2h 36m

Chicago O'Hare Intl

Wed 8/12

8:12 pm-11:44 pm

Nonstop2h 32m

$187

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Wed 10/21

3:40 pm-5:34 pm

Nonstop2h 54m

Chicago O'Hare Intl

Sun 10/25

6:10 pm-9:45 pm

Nonstop2h 35m

$192

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 7/4

7:30 pm-9:30 pm

Nonstop3h 00m

Chicago O'Hare Intl

Thu 7/9

6:00 am-9:17 am

Nonstop2h 17m

$197

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Fri 11/6

7:00 pm-8:39 pm

Nonstop2h 39m

Chicago O'Hare Intl

Mon 11/9

12:15 pm-3:26 pm

Nonstop2h 11m

$201
Quickest round-trip

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Thu 8/20

6:00 am-7:15 am

Nonstop2h 15m

Chicago Midway

Sun 8/23

5:25 am-8:25 am

Nonstop2h 00m

$203

NewarkChicago

EWR - ORD

EWRORD

Newark

Sat 9/26

9:48 am-1:04 pm

1 stop4h 16m

Chicago O'Hare Intl

Mon 9/28

2:00 pm-7:30 pm

1 stop4h 30m

$205

NewarkChicago

EWR - ORD

EWRORD

Newark

Thu 9/17

9:48 am-1:04 pm

1 stop4h 16m

Chicago O'Hare Intl

Sat 9/19

8:05 am-2:13 pm

1 stop5h 08m

$205

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Tue 10/6

3:10 pm-4:50 pm

Nonstop2h 40m

Chicago Midway

Sat 10/10

6:40 am-5:40 pm

2 stops10h 00m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to Illinois

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

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

Currently, July is the cheapest month in which you can book a flight from Pennsylvania to Illinois (average of $264). Flying from Pennsylvania to Illinois in February is currently the most expensive (average of $388). 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 IL?

Find hourly flight availability from Pennsylvania to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 11, 2026.

When flying from Pennsylvania to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 16% versus a flight in the evening.

Weekly flight availability from Pennsylvania to Illinois

Explore weekly flight availability from Pennsylvania to Illinois. 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 June 11, 2026.

The most flights from USPA to USIL are scheduled on a Thursday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost to fly round-trip from Pennsylvania to Illinois?

How far ahead should I book a flight from Pennsylvania to Illinois?

To ensure you get the cheapest price possible for a flight from Pennsylvania to Illinois, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Illinois. Price data was last updated on June 8, 2026.

Travelers seeking maximum savings on their Pennsylvania to Illinois flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 11, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Pennsylvania to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

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

    JetBlue, Delta, and Southwest can get you from Pennsylvania to Illinois in just under 2h 15m. Your travel time will be generally consistent. There are 722 mi between Pennsylvania and Illinois. Generally, flights for this route are nonstop.

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

    The cheapest airlines for a one-way flight from Pennsylvania to Illinois are Southwest ($38), American Airlines ($45), and Frontier ($49).

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Pennsylvania to Illinois (average of $264). Flying from Pennsylvania to Illinois in February is currently the most expensive (average of $388). 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 Pennsylvania to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Pennsylvania to Illinois

Discover the top 5 airlines that operate flights from Pennsylvania to Illinois. 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$174FlexibilityNo cancel feeOn-time62%
DeltaCheapest$83Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$91Average$346FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$101Average$332FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$137Average$354FlexibilityNo cancel feeOn-time69%

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