Cheap flights from Pennsylvania (PA) to Illinois (IL)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Pennsylvania to Illinois

All the information you need to plan the best null to ORD flight in 2021: compare Pennsylvania to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
What is the cheapest month to fly from Pennsylvania to Illinois?

The best pricing can be found in the month of August. Prices to Illinois from Pennsylvania average $211. You can even find prices in August for less than $211, as users have found deals to Illinois from as low as $48. The month of February appears to be one of the more expensive times to travel to Illinois from Pennsylvania. Flying in the targeted month can save you up to 37%.

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

To save on the cost of your flight from Pennsylvania to Illinois, book at least 14 days before your planned departure. Booking around this time can save you about 2% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $204 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $213.

When is the cheapest time to fly from Pennsylvania to Illinois (PA - IL)?

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.

Cheap flights from Pennsylvania to Illinois in November, December 2021

The best prices found for Pennsylvania to Illinois flights for November, December
6 Dec - 9 Dec
$96pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
8 Dec - 9 Dec
$99pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
2 Dec - 4 Dec
$102pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PHL
Philadelphia

Pennsylvania to Illinois 2022 flight deals

Cheap flights to Illinois from Pennsylvania found for next year
6 Dec - 9 Dec
$96pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
8 Dec - 9 Dec
$99pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
2 Dec - 4 Dec
$102pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PHL
Philadelphia

Non-stop flights to Illinois from Pennsylvania

Save time with Pennsylvania to Illinois direct flight deals
8 Dec - 9 Dec
$117pp
PIT
Pittsburgh
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
PIT
Pittsburgh
23 Feb - 26 Feb
$132pp
PIT
Pittsburgh
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
PIT
Pittsburgh
9 Jan - 16 Jan
$147pp
PIT
Pittsburgh
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
PIT
Pittsburgh

Last minute flights from Pennsylvania to Illinois

Late deals on round-trip flights to Illinois from Pennsylvania, departing today and this week
6 Dec - 9 Dec
$96pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
2 Dec - 4 Dec
$102pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
PHL
Philadelphia
5 Dec - 11 Dec
$105pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia

One-way flights to Illinois from Pennsylvania

The cheapest one-way flights from Pennsylvania to Illinois
12:17 pm - 12:57 pm
United Airlines
Nonstop
1h 40m
PIT - ORD
United Airlines
$59
United
1:05 am - 3:48 am
Delta
1 Stop
3h 43m
PIT - MDW
Delta
$68
Delta
2:55 am - 7:30 pm
Multiple Airlines
1 Stop
17h 35m
PHL - ORD
Multiple Airlines
$69
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Pennsylvania</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From Pennsylvania to Illinois

Which airlines flying from Pennsylvania to Illinois have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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 $79, but on average you can expect to pay $101.

Are there nonstop flights from Pennsylvania to Illinois for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Pennsylvania to Illinois under $200. A good price for a nonstop flight from Pennsylvania to Illinois is less than $183.

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, Wednesday, Friday, Saturday.

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

On average 43 flights depart from Pennsylvania to Illinois per day.
Early Morning (Midnight to 6am) - 12% of flight departures
Morning (6am - Noon) - 35% of flight departures
Afternoon (Noon - 6pm) - 23% of flight departures
Evening (6pm - Midnight) - 30% of flight departures

How long is the flight from Pennsylvania to Illinois?

Spirit Airlines, Delta, and United Airlines can get you from Pennsylvania to Illinois in just under 1h 50m. Your travel time can differ by up to 11h 16m. There are 680 mi between Pennsylvania and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

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 ($39), Frontier ($49), and Delta ($58).

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

Do I need a COVID test to fly to Illinois from Pennsylvania?

Information is based on travel restrictions for travel to Illinois within the United States

Most visitors from Pennsylvania need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Pennsylvania must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from Pennsylvania are not required to quarantine after entering Illinois.

Do I need a test to fly back to Pennsylvania from Illinois?

Returning to Pennsylvania from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Pennsylvania.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Pennsylvania.

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from Pennsylvania to Illinois

Select to see more specific information for flights from Pennsylvania to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Pennsylvania to Illinois.
Flight duration from Pennsylvania to Illinois
1h 41m

Airports servicing

DuBois (DUJ)
Erie (ERI)
Franklin Chess Lamberton (FKL)
Williamsport (IPT)
Johnstown (JST)

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Top 9 airlines flying from Pennsylvania to Illinois

The chart below displays the airlines Cheapflights users traveling from Pennsylvania to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$58 $159 No cancel fee 62%
Delta
$86 $372 No cancel fee N/A
JetBlue
$94 $209 No cancel fee 62%
Spirit Airlines
$98 $207 No cancel fee 65%
Sun Country Air
$101 $229 No cancel fee 83%
United Airlines
$108 $375 No cancel fee 69%
American Airlines
$108 $376 No cancel fee 71%
Southwest
$262 $394 No cancel fee 63%
Linear Air Taxi
$1,731 $6,340 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Linear Air Taxi. Please check directly on their website for additional information.

Home North America USA Illinois Cheap flights from Pennsylvania to Illinois