Cheap flights from Philadelphia (PHL) 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
Add another flight clear all

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

Home North America USA Illinois Cheap flights from Philadelphia to Illinois

How to find the cheapest flight from
Philadelphia (PHL) to Illinois

All the information you need to plan the best PHL to ORD flight in 2021: compare Philadelphia to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
When is the cheapest time to fly from Philadelphia to Illinois (PHL - IL)?

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

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 14 days in advance, which can save you up to 2% on flights from Philadelphia to Illinois compared to booking the week you need them. Waiting 14 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $204. For sooner than that we have options available in the next 3 days from $213.

What is the cheapest month to fly from Philadelphia to Illinois?

August can be a great time to fly to Illinois from Philadelphia with a flight ticket averaging about $211. Cheapflights users have found deals in the month of August for as cheap as $48. The most expensive prices can be found in the month of February.

Cheap flights from Philadelphia to Illinois in November, December 2021

The best prices found for PHL to Illinois flights for November, December
6 Dec - 9 Dec
$88pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
10 Dec - 12 Jan
$94pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
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

Philadelphia to Illinois 2022 flight deals

Cheap flights to Illinois from Philadelphia found for next year
6 Dec - 9 Dec
$88pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
10 Dec - 12 Jan
$94pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
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

Non-stop flights to Illinois from Philadelphia

Save time with Philadelphia to Illinois direct flight deals
11 Dec - 11 Dec
$182pp
PHL
Philadelphia
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
PHL
Philadelphia
15 Jan - 20 Jan
$187pp
PHL
Philadelphia
American Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
PHL
Philadelphia
18 Dec - 4 Jan
$187pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia to Illinois

Late deals on round-trip flights to Illinois from Philadelphia, departing today and this week
6 Dec - 9 Dec
$88pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
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 - 11 Dec
$100pp
PHL
Philadelphia
Spirit Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
PHL
Philadelphia

One-way flights to Illinois from Philadelphia

The cheapest one-way flights from Philadelphia to Illinois
12:30 pm - 4:51 pm
Delta
1 Stop
5h 21m
PHL - ORD
Delta
$58
Delta
1:30 pm - 7:19 pm
Frontier
1 Stop
6h 49m
PHL - ORD
Frontier
$65
Kiwi.com
1:00 am - 7:30 pm
Multiple Airlines
1 Stop
19h 30m
PHL - ORD
Multiple Airlines
$67
Kiwi.com

Related info for your journey

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

Flight FAQs

From Philadelphia to Illinois

What airport do you fly from for flights from Philadelphia to Illinois?

Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Illinois.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Delta flying from Philadelphia to Illinois have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Philadelphia 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 $100.

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

Cheapflights has at least 20 direct flights from Philadelphia to Illinois under $200. A good price for a nonstop flight from Philadelphia to Illinois is less than $230.

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

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

What days are nonstop flights available from Philadelphia to Illinois?

Days when nonstop flights are available for this flight are: Monday, Tuesday, Wednesday, Thursday, Friday.

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

On average, you can expect to see 33 flights from Philadelphia to Illinois a day.
Early Morning (Midnight to 6am) - 12% of flight departures
Morning (6am - Noon) - 48% of flight departures
Afternoon (Noon - 6pm) - 30% of flight departures
Evening (6pm - Midnight) - 9% of flight departures

How long is the flight from Philadelphia to Illinois?

Spirit Airlines, Frontier, and Delta can get you from Philadelphia to Illinois in just under 5h 48m. Your travel time can differ by up to 23h 01m. The distance from Philadelphia to Illinois is about 680 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $38. Users have also found prices from $41 and $58 on Frontier and Delta, respectively.

What are the most popular routes from Philadelphia to Illinois?

While some choose either Philadelphia - Chicago Midway or Philadelphia - Lambert-St Louis, Philadelphia - Chicago O'Hare Intl is the most popular route from Philadelphia to Illinois.

What are the most reliable airlines from Philadelphia to Illinois?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Philadelphia to Illinois on time: ANA (98%), Republic Airways (95%), Copa Airlines (93%).

What are the cheapest flights from Philadelphia to Illinois?

The cheapest flight price from Philadelphia to Illinois is $37. On average you can expect to pay $262. The most popular route, (Philadelphia - Chicago O'Hare Intl), can usually be booked for $79.

What are the most popular airlines that fly from Philadelphia to Illinois?

The most popular airlines flying from Philadelphia to Illinois are Major Airline, American Airlines and JetBlue. Something to consider prior to booking your flight.

Related searches

Flights to Illinois from Philadelphia (PHL)
Flights to Philadelphia Flights to Illinois Flights from Philadelphia

Rent a Car

Car Rentals in Illinois Car Rentals at O'Hare Intl Car Rentals at Midway

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

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

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

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

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

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

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

Returning to Philadelphia 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 Philadelphia.

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

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from Philadelphia to Illinois

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

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Philadelphia to Illinois.

Airports servicing Philadelphia

Philadelphia (PHL)

Airports servicing

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

Top 8 airlines flying from Philadelphia to Illinois

The chart below displays the airlines Cheapflights users traveling from Philadelphia 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 $162 No cancel fee 62%
Delta 		$86 $351 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 $391 No cancel fee 69%
American Airlines 		$108 $393 No cancel fee 71%
Southwest 		$262 $394 No cancel fee 63%

Popular flight searches

Check out other popular destinations found by fellow travelers in 2021.
Home North America USA Illinois Cheap flights from Philadelphia to Illinois