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$31+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ORD
nov. 5 — nov. 121
mar. 11/5
mar. 11/12
1 adult, Economy
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Find 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 octubre 31, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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.
sáb. 11/236:57 pmPHL - ORD
Nonstop2h 26mFrontier
jue. 11/288:51 amORD - PHL
Nonstop2h 06mFrontier
Deal found 10/31$72
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/1510:55 amLGA - ORD
1 stop10h 20mSpirit Airlines
mar. 11/197:46 pmORD - LGA
1 stop12h 14mSpirit Airlines
Deal found 10/29$102
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1411:00 amJFK - MDW
1 stop10h 25mFrontier
lun. 11/187:42 amMDW - JFK
1 stop25h 18mFrontier
Deal found 10/30$103
This Flybillet 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1410:59 amLGA - ORD
1 stop12h 00mFrontier
lun. 11/188:26 pmORD - LGA
1 stop19h 03mFrontier
Deal found 10/30$103
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1412:29 pmLGA - MDW
1 stop30h 47mFrontier
lun. 11/188:20 pmMDW - LGA
1 stop19h 09mFrontier
Deal found 10/30$103
This Flybillet 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/143:00 pmJFK - ORD
1 stop7h 59mFrontier
lun. 11/188:26 pmORD - JFK
1 stop14h 56mFrontier
Deal found 10/30$104
This Flightnetwork deal was found by Cheapflights users on 10/31. 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.
jue. 11/148:35 amLGA - ORD
Nonstop2h 30mMultiple Airlines
lun. 11/1810:57 amORD - LGA
1 stop23h 42mMultiple Airlines
Deal found 10/31$104
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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.
mié. 11/1310:55 amEWR - ORD
1 stop8h 46mSpirit Airlines
mié. 11/207:50 amORD - EWR
1 stop8h 13mSpirit Airlines
Deal found 10/31$108
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/510:10 amPHL - ORD
Nonstop2h 19mUnited Airlines
sáb. 12/72:26 pmORD - PHL
Nonstop2h 03mUnited Airlines
Deal found 10/30$115
This JetBlue deal was found by Cheapflights users on 10/31. 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.
mié. 12/47:29 amJFK - ORD
Nonstop2h 55mJetBlue
mié. 12/1110:14 amORD - JFK
Nonstop2h 16mJetBlue
Deal found 10/31$117
This Delta deal was found by Cheapflights users on 10/31. 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.
jue. 12/56:05 amLGA - ORD
Nonstop2h 44mDelta
lun. 1/67:00 amORD - LGA
Nonstop2h 25mDelta
Deal found 10/31$117
This Southwest deal was found by Cheapflights users on 10/31. 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.
sáb. 11/166:30 amLGA - MDW
Nonstop2h 30mSouthwest
mié. 11/206:00 amMDW - LGA
Nonstop2h 05mSouthwest
Deal found 10/31$118

Find flights from Pennsylvania to Illinois within your budget

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 2,570,725 searches. Data last updated octubre 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

jue. 11/28

6:20 am-7:46 am

Nonstop2h 26m

$39

NewarkChicago

EWR - ORD

EWRORD

Newark

mié. 11/13

11:13 am-12:52 pm

Nonstop2h 39m

$41

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

mié. 12/4

7:29 am-9:24 am

Nonstop2h 55m

$58

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

jue. 12/5

7:20 am-8:48 am

Nonstop2h 28m

$58

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

sáb. 11/16

6:35 pm-8:24 pm

Nonstop2h 49m

$59

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

lun. 12/9

9:55 pm-11:20 pm

Nonstop2h 25m

$59

NewarkChicago

EWR - ORD

EWRORD

Newark

sáb. 12/7

3:19 pm-4:58 pm

Nonstop2h 39m

$69

NewarkChicago

EWR - MDW

EWRMDW

Newark

mié. 12/4

5:42 pm-5:18 pm

1 stop24h 36m

$85

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

jue. 11/14

3:00 pm-9:59 pm

1 stop7h 59m

$53

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

lun. 1/6

11:56 am-6:05 pm

1 stop7h 09m

$106

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 60 results
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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.

Travel insights for flights from Pennsylvania to Illinois

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

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

Currently, September is the cheapest month in which you can book a flight from Pennsylvania to Illinois (average of $232). Flying from Pennsylvania to Illinois in June is currently the most expensive (average of $308). 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 octubre 31, 2024.

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

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 octubre 31, 2024.
Peruse reviews from past customers who have flown with Sun Country Air, Delta and Frontier from Pennsylvania to Illinois to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Boarding

8.3

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

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

Southwest
8.1
Very good
5,116 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Boarding

8.3

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,835 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Boarding

8.3

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,420 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Boarding

8.3

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

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

Porter Airlines
7.8
Good
294 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Boarding

8.3

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

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

Air Transat
7.8
Good
388 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Boarding

8.3

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

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 Pennsylvania to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Pennsylvania to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Pennsylvania to Illinois for under $100. The cheapest flight booked recently is on Spirit Airlines for just $37, but on average you can expect to pay $102.

  • Are there nonstop flights from Pennsylvania to Illinois for under $100 on Cheapflights?

    Cheapflights has at least 17 direct flights from Pennsylvania to Illinois under $100. A good price for a nonstop flight from Pennsylvania to Illinois is less than $118.

  • Are there last-minute flights available from Pennsylvania to Illinois for under $100?

    There are currently 20+ open flights from Pennsylvania to Illinois within the next 7 days for less than $100.

  • What days are nonstop flights available from Pennsylvania to Illinois?

    Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Pennsylvania to Illinois on average per day?

    On average 113 flights depart from Pennsylvania to Illinois per day.
    Early Morning (Midnight to 6am) - 15% of flight departures
    Morning (6am - Noon) - 35% of flight departures
    Afternoon (Noon - 6pm) - 28% of flight departures
    Evening (6pm - Midnight) - 22% of flight departures

  • How long is the flight from Pennsylvania to Illinois?

    Spirit Airlines, Frontier, and United Airlines can get you from Pennsylvania to Illinois in just under 2h 13m. Your travel time will be generally consistent. There are 680 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 Spirit Airlines ($31), Frontier ($33), and JetBlue ($58).

  • What does PHL to ORD mean?

    Great question - PHL to ORD just means Philadelphia Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Pennsylvania to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Pennsylvania to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Pennsylvania to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Pennsylvania to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Pennsylvania to Illinois that allow pets onboard?

    Many airlines flying from Pennsylvania to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Pennsylvania to Illinois?

    Yes, you can often find last-minute deals on Pennsylvania to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Pennsylvania to Illinois flight deals updated?

    The Pennsylvania to Illinois flight deals you see on this page were last updated on 10/31.

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

    Currently, September is the cheapest month in which you can book a flight from Pennsylvania to Illinois (average of $232). Flying from Pennsylvania to Illinois in June is currently the most expensive (average of $308). 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.
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Top 6 airlines flying from Pennsylvania to Illinois

Discover the top 6 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 2,570,725 searches. Data last updated octubre 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$25Average$119FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$167FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$122Average$408FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$124Average$265FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$136Average$382FlexibilityNo cancel feeOn-time69%
DeltaCheapest$155Average$311FlexibilityNo cancel feeOn-timeN/A
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