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Cheap flights from Pennsylvania to Illinois from $87

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 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pennsylvania to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:30 am - 9:25 am
JFK
-
ORD
2h 55mnonstop
Delta Logo
10:00 am - 1:20 pm
ORD
-
JFK
2h 20mnonstop
$177Delta
Tue, Jun 30 - Thu, Jul 9
Delta Logo
2:45 pm - 4:30 pm
LGA
-
ORD
2h 45mnonstop
Delta Logo
8:10 pm - 11:44 pm
ORD
-
LGA
2h 34mnonstop
$177Delta
Thu, Jul 9 - Mon, Jul 13
Southwest Logo
6:00 am - 7:20 am
LGA
-
MDW
2h 20mnonstop
Southwest Logo
6:40 pm - 9:45 pm
MDW
-
LGA
2h 05mnonstop
$177Southwest
Sat, Jun 20 - Sat, Jun 20
American Airlines Logo
1:59 pm - 3:55 pm
JFK
-
ORD
2h 56mnonstop
American Airlines Logo
4:44 pm - 8:15 pm
ORD
-
JFK
2h 31mnonstop
$178American Airlines
Tue, Jun 16 - Sat, Jun 20
American Airlines Logo
1:59 pm - 3:53 pm
JFK
-
ORD
2h 54mnonstop
American Airlines Logo
4:30 pm - 8:04 pm
ORD
-
JFK
2h 34mnonstop
$179American Airlines
Wed, Jul 8 - Tue, Jul 14
Southwest Logo
9:30 pm - 10:55 pm
LGA
-
MDW
2h 25mnonstop
Southwest Logo
5:15 am - 8:15 am
MDW
-
LGA
2h 00mnonstop
$182Southwest
Fri, Jul 3 - Tue, Jul 7
Frontier Logo
5:06 pm - 6:47 pm
PHL
-
ORD
2h 41mnonstop
Frontier Logo
8:00 pm - 11:32 pm
ORD
-
PHL
2h 32mnonstop
$191Frontier
Fri, Jun 26 - Mon, Jun 29
Frontier Logo
5:06 pm - 6:44 pm
PHL
-
ORD
2h 38mnonstop
Frontier Logo
8:00 pm - 11:32 pm
ORD
-
PHL
2h 32mnonstop
$192Frontier
Fri, May 22 - Sat, Jun 20
United Airlines Logo
6:00 am - 7:39 am
LGA
-
ORD
2h 39mnonstop
United Airlines Logo
5:00 pm - 8:22 pm
ORD
-
LGA
2h 22mnonstop
$193United Airlines
Thu, Jun 11 - Tue, Jun 16
United Airlines Logo
7:59 am - 9:43 am
EWR
-
ORD
2h 44mnonstop
United Airlines Logo
7:10 am - 10:30 am
ORD
-
EWR
2h 20mnonstop
$195United Airlines
Mon, Jun 29 - Thu, Aug 6

Delta flights from Pennsylvania to Illinois

Our best Delta deals on Pennsylvania to Illinois flight tickets
Delta
Jun 30
JFK7:30 amNew York John F Kennedy Intl
2h 55m
ORD9:25 amChicago O'Hare Intl
Jul 9
ORD10:00 amChicago O'Hare Intl
2h 20m
JFK1:20 pmNew York John F Kennedy Intl
$177
Delta
Jul 3
JFK7:35 pmNew York John F Kennedy Intl
3h 13m
ORD9:48 pmChicago O'Hare Intl
Jul 8
ORD6:00 pmChicago O'Hare Intl
2h 37m
JFK9:37 pmNew York John F Kennedy Intl
$182
Delta
Jun 10
LGA8:45 pmNew York LaGuardia
2h 49m
ORD10:34 pmChicago O'Hare Intl
Jun 11
ORD6:00 amChicago O'Hare Intl
2h 12m
LGA9:12 amNew York LaGuardia
$187

JetBlue flights from Pennsylvania to Illinois

Our best JetBlue deals on Pennsylvania to Illinois flight tickets
JetBlue
Jul 9
JFK7:05 amNew York John F Kennedy Intl
2h 43m
ORD8:48 amChicago O'Hare Intl
Jul 13
ORD5:27 pmChicago O'Hare Intl
2h 33m
JFK9:00 pmNew York John F Kennedy Intl
$178
JetBlue
Jul 2
JFK7:00 amNew York John F Kennedy Intl
2h 45m
ORD8:45 amChicago O'Hare Intl
Jul 7
ORD9:39 amChicago O'Hare Intl
2h 16m
JFK12:55 pmNew York John F Kennedy Intl
$181
JetBlue
May 27
JFK8:25 amNew York John F Kennedy Intl
2h 53m
ORD10:18 amChicago O'Hare Intl
May 29
ORD3:27 pmChicago O'Hare Intl
2h 32m
JFK6:59 pmNew York John F Kennedy Intl
$182

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 May 19, 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

Tue 6/30

7:30 am-9:25 am

Nonstop2h 55m

Chicago O'Hare Intl

Thu 7/9

10:00 am-1:20 pm

Nonstop2h 20m

$177

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 7/9

2:45 pm-4:30 pm

Nonstop2h 45m

Chicago O'Hare Intl

Mon 7/13

8:10 pm-11:44 pm

Nonstop2h 34m

$177
Quickest round-trip

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Sat 6/20

6:00 am-7:20 am

Nonstop2h 20m

Chicago Midway

Sat 6/20

6:40 pm-9:45 pm

Nonstop2h 05m

$177

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Tue 6/16

1:59 pm-3:55 pm

Nonstop2h 56m

Chicago O'Hare Intl

Sat 6/20

4:44 pm-8:15 pm

Nonstop2h 31m

$178

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Wed 7/8

1:59 pm-3:53 pm

Nonstop2h 54m

Chicago O'Hare Intl

Tue 7/14

4:30 pm-8:04 pm

Nonstop2h 34m

$179

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Fri 7/3

9:30 pm-10:55 pm

Nonstop2h 25m

Chicago Midway

Tue 7/7

5:15 am-8:15 am

Nonstop2h 00m

$182

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 6/26

5:06 pm-6:47 pm

Nonstop2h 41m

Chicago O'Hare Intl

Mon 6/29

8:00 pm-11:32 pm

Nonstop2h 32m

$191

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 5/22

5:06 pm-6:44 pm

Nonstop2h 38m

Chicago O'Hare Intl

Sat 6/20

8:00 pm-11:32 pm

Nonstop2h 32m

$192

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 6/11

6:00 am-7:39 am

Nonstop2h 39m

Chicago O'Hare Intl

Tue 6/16

5:00 pm-8:22 pm

Nonstop2h 22m

$193

NewarkChicago

EWR - ORD

EWRORD

Newark

Mon 6/29

7:59 am-9:43 am

Nonstop2h 44m

Chicago O'Hare Intl

Thu 8/6

7:10 am-10:30 am

Nonstop2h 20m

$195

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 July. Flight prices, which tend to average around $260, 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 July, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $266.

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 $318. Flights from Pennsylvania to Illinois on a Sunday will generally be more expensive and average around $497. 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 $290. Flights at noon are often more expensive with an average ticket price of $416.

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 $290 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 $251 on momondo.

Can stopping save me money on Pennsylvania to Illinois flights?

You could potentially save up to 1% on your flight if you consider stops on a Pennsylvania to Illinois flight.

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

$154

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 $154. The best round-trip flight deal from Pennsylvania to Illinois found on momondo in the last 72 hours is $296.
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
2,945 reviews
Search Frontier flights
DeltaPriceFrom $83Free CancellationRating
7.9
8,452 reviews
Search Delta flights
American AirlinesPriceFrom $91Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
SouthwestPriceFrom $97Free CancellationRating
7.9
4,284 reviews
Search Southwest flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
9,733 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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Find better results for your trip to Illinois

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