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Cheap flights from Pennsylvania to Illinois from $96

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Illinois departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
7:10 pm - 9:11 pm
JFK
-
ORD
3h 01mnonstop
JetBlue Logo
5:27 pm - 9:00 pm
ORD
-
JFK
2h 33mnonstop
$192JetBlue
Sat, Aug 1 - Sat, Aug 8
American Airlines Logo
9:46 pm - 11:42 pm
LGA
-
ORD
2h 56mnonstop
American Airlines Logo
3:05 pm - 6:23 pm
ORD
-
LGA
2h 18mnonstop
$192American Airlines
Sat, Aug 8 - Tue, Aug 11
Southwest Logo
8:35 am - 3:25 pm
LGA
-
MDW
7h 50m
1 stop
Southwest Logo
3:20 pm - 11:20 pm
MDW
-
LGA
7h 00m
1 stop
$192Southwest
Fri, Sep 25 - Mon, Sep 28
Southwest Logo
8:20 am - 3:55 pm
LGA
-
MDW
8h 35m
1 stop
Southwest Logo
5:25 am - 8:25 am
MDW
-
LGA
2h 00mnonstop
$193Southwest
Sat, Aug 22 - Sun, Aug 23
Delta Logo
2:30 pm - 4:15 pm
LGA
-
ORD
2h 45mnonstop
Delta Logo
11:30 am - 2:55 pm
ORD
-
LGA
2h 25mnonstop
$197Delta
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
7:21 am - 9:00 am
LGA
-
ORD
2h 39mnonstop
United Airlines Logo
1:00 pm - 4:19 pm
ORD
-
LGA
2h 19mnonstop
$200United Airlines
Sun, Aug 9 - Mon, Aug 17
Delta Logo
8:30 pm - 10:24 pm
LGA
-
ORD
2h 54mnonstop
Delta Logo
10:30 am - 1:48 pm
ORD
-
LGA
2h 18mnonstop
$201Delta
Mon, Aug 3 - Wed, Aug 5
United Airlines Logo
8:19 pm - 10:06 pm
EWR
-
ORD
2h 47mnonstop
United Airlines Logo
6:00 am - 9:12 am
ORD
-
EWR
2h 12mnonstop
$210United Airlines
Wed, Aug 5 - Sun, Aug 9
Frontier Logo
6:33 pm - 8:02 am
PHL
-
ORD
38h 29m
2 stops
Frontier Logo
1:59 pm - 10:33 pm
ORD
-
PHL
7h 34m
1 stop
$213Frontier
Sat, Aug 15 - Wed, Aug 19
Frontier Logo
1:32 pm - 7:53 pm
PHL
-
ORD
7h 21m
1 stop
Frontier Logo
1:50 pm - 10:58 pm
ORD
-
PHL
8h 08m
1 stop
$215Frontier
Fri, Aug 7 - Mon, Aug 10

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JetBlue flights from Pennsylvania to Illinois

Our best JetBlue deals on Pennsylvania to Illinois flight tickets
JetBlue
Aug 1
JFK7:10 pmNew York John F Kennedy Intl
3h 01m
ORD9:11 pmChicago O'Hare Intl
Aug 8
ORD5:27 pmChicago O'Hare Intl
2h 33m
JFK9:00 pmNew York John F Kennedy Intl
$192
JetBlue
Aug 10
JFK2:29 pmNew York John F Kennedy Intl
2h 48m
ORD4:17 pmChicago O'Hare Intl
Aug 18
ORD9:35 amChicago O'Hare Intl
2h 19m
JFK12:54 pmNew York John F Kennedy Intl
$193
JetBlue
Jul 21
JFK7:05 amNew York John F Kennedy Intl
2h 45m
ORD8:50 amChicago O'Hare Intl
Jul 29
ORD9:40 amChicago O'Hare Intl
2h 19m
JFK12:59 pmNew York John F Kennedy Intl
$194

Delta flights from Pennsylvania to Illinois

Our best Delta deals on Pennsylvania to Illinois flight tickets
Delta
Sep 5
JFK7:35 pmNew York John F Kennedy Intl
3h 17m
ORD9:52 pmChicago O'Hare Intl
Sep 9
ORD1:29 pmChicago O'Hare Intl
2h 31m
JFK5:00 pmNew York John F Kennedy Intl
$197
Delta
Jul 22
LGA5:00 pmNew York LaGuardia
3h 10m
ORD7:10 pmChicago O'Hare Intl
Jul 28
ORD7:00 amChicago O'Hare Intl
2h 14m
LGA10:14 amNew York LaGuardia
$200
Delta
Aug 3
LGA8:30 pmNew York LaGuardia
2h 54m
ORD10:24 pmChicago O'Hare Intl
Aug 13
ORD6:00 amChicago O'Hare Intl
2h 09m
LGA9:09 amNew York LaGuardia
$201

momondo 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, momondo users made 832,500 searches. Data last updated July 9, 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 8/1

7:10 pm-9:11 pm

Nonstop3h 01m

Chicago O'Hare Intl

Sat 8/8

5:27 pm-9:00 pm

Nonstop2h 33m

$192

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 8/8

9:46 pm-11:42 pm

Nonstop2h 56m

Chicago O'Hare Intl

Tue 8/11

3:05 pm-6:23 pm

Nonstop2h 18m

$192

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Fri 9/25

8:35 am-3:25 pm

1 stop7h 50m

Chicago Midway

Mon 9/28

3:20 pm-11:20 pm

1 stop7h 00m

$192

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Sat 8/22

8:20 am-3:55 pm

1 stop8h 35m

Chicago Midway

Sun 8/23

5:25 am-8:25 am

Nonstop2h 00m

$193

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 9/5

2:30 pm-4:15 pm

Nonstop2h 45m

Chicago O'Hare Intl

Wed 9/9

11:30 am-2:55 pm

Nonstop2h 25m

$197
Quickest round-trip

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sun 8/9

7:21 am-9:00 am

Nonstop2h 39m

Chicago O'Hare Intl

Mon 8/17

1:00 pm-4:19 pm

Nonstop2h 19m

$200

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 8/3

8:30 pm-10:24 pm

Nonstop2h 54m

Chicago O'Hare Intl

Wed 8/5

10:30 am-1:48 pm

Nonstop2h 18m

$201

NewarkChicago

EWR - ORD

EWRORD

Newark

Wed 8/5

8:19 pm-10:06 pm

Nonstop2h 47m

Chicago O'Hare Intl

Sun 8/9

6:00 am-9:12 am

Nonstop2h 12m

$210

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 8/15

6:33 pm-8:02 am

2 stops38h 29m

Chicago O'Hare Intl

Wed 8/19

1:59 pm-10:33 pm

1 stop7h 34m

$213

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 8/7

1:32 pm-7:53 pm

1 stop7h 21m

Chicago O'Hare Intl

Mon 8/10

1:50 pm-10:58 pm

1 stop8h 08m

$215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Pennsylvania to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Pennsylvania is in April. Flight prices, which tend to average around $265, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $280.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Pennsylvania to Illinois is on a Friday when prices can be found for as low as $338. Flights from Pennsylvania to Illinois on a Sunday will generally be more expensive and average around $494. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Pennsylvania to Illinois during this time can be as low as $335. Flights at noon are often more expensive with an average ticket price of $419.

What is the cheapest Pennsylvania to Illinois flight route?

Fly from Philadelphia to Chicago O'Hare Intl for the best Pennsylvania - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $300 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Pennsylvania for as low as $267 on momondo.

What cabin class options are available on Pennsylvania to Illinois flights?

There are 4 cabin classes available to choose from on Pennsylvania to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pennsylvania to Illinois flights?

No. A direct flight is the cheapest option for a flight between Pennsylvania to Illinois.

Cheap Pennsylvania to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Illinois

Best Price Found

$159

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Pennsylvania in the past 72 hours is $159. The best round-trip flight deal from Pennsylvania to Illinois found on momondo in the last 72 hours is $326.
The fastest flight from Pennsylvania to Illinois takes 1h 20m
Direct flights go from Pennsylvania to Illinois every day.
There are 98 airports in Illinois. From Pennsylvania there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

Frequently asked questions about flying from Pennsylvania to Illinois

  • When did momondo last update prices for flights from Pennsylvania to Illinois?

    Prices for flights from Pennsylvania to Illinois refresh daily.

  • How many operators does momondo search for flights from Pennsylvania to Illinois?

  • How old do you have to be to fly from Pennsylvania to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Pennsylvania to Illinois?

Best airlines flying from Pennsylvania to Illinois

Compare and see reviews for airlines that fly from Pennsylvania to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $77Free CancellationRating
5.6
2,835 reviews
Search Frontier flights
American AirlinesPriceFrom $91Free CancellationRating
7.1
11,789 reviews
Search American Airlines flights
SouthwestPriceFrom $121Free CancellationRating
7.9
4,248 reviews
Search Southwest flights
DeltaPriceFrom $133Free CancellationRating
7.8
8,453 reviews
Search Delta flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
9,955 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Illinois?

It is quick and easy to find Pennsylvania to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from Pennsylvania to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Pennsylvania with this policy.

How can momondo help me find flights from Pennsylvania to Illinois?

Once all potential Pennsylvania to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Pennsylvania to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pennsylvania to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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