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Illinois

$70+ Cheap flights from New Jersey 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from New Jersey to Illinois

Keep the following information in mind while searching for New Jersey to Illinois flight deals. Data was last updated September 11, 2025.

Round-trip from

$121
(Cheapflightsfares)

One-way from

$70
(Delta)

Popular in

August

Cheapest in

January

Average price

$185

Good round-trip deal

$71 or less

Good one-way deal

$68 or less
From New Jersey to Illinois
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One-way flight from New Jersey to Illinois
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Highest demand for flights based on searches. 4% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from New Jersey to Illinois.
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Price to beat on a one-way flight from New Jersey to Illinois.
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Find flight deals from New Jersey to Illinois

Cheapest flights from New Jersey to Illinois
Explore the most affordable flight options available from New Jersey to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Thu 9/2510:21 amPHL - ORD
Nonstop2h 37mFrontier
Thu 10/26:10 amORD - PHL
Nonstop2h 15mFrontier
Deal found 9/10$121
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:21 amPHL - ORD
Nonstop2h 37mFrontier
Thu 9/258:49 pmORD - PHL
1 stop9h 46mFrontier
Deal found 9/10$122
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:45 amPHL - MDW
1 stop10h 08mFrontier
Fri 10/38:15 amMDW - PHL
Nonstop2h 01mFrontier
Deal found 9/10$122
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Sat 11/16:26 pmPHL - ORD
1 stop6h 03mFrontier
Sun 11/25:01 amORD - PHL
Nonstop2h 12mFrontier
Deal found 9/9$123
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Thu 10/96:10 amPHL - MDW
Nonstop2h 15mFrontier
Sun 10/128:25 amMDW - PHL
Nonstop2h 02mFrontier
Deal found 9/9$123
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:39 pmPHL - ORD
1 stop18h 33mFrontier
Sat 10/112:45 pmORD - PHL
Nonstop2h 15mFrontier
Deal found 9/10$124
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:15 amPHL - ORD
1 stop11h 36mFrontier
Mon 10/66:00 amORD - PHL
Nonstop2h 15mFrontier
Deal found 9/10$125
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:19 pmPHL - MDW
Nonstop2h 14mFrontier
Mon 11/39:32 amMDW - PHL
1 stop14h 52mFrontier
Deal found 9/10$125
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:21 amPHL - ORD
Nonstop2h 37mFrontier
Fri 10/36:10 amORD - PHL
Nonstop2h 15mFrontier
Deal found 9/10$126
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:19 pmPHL - MDW
Nonstop2h 14mFrontier
Sat 11/11:37 pmMDW - PHL
1 stop9h 36mFrontier
Deal found 9/8$126
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:18 amPHL - ORD
1 stop6h 52mFrontier
Fri 11/79:47 pmORD - PHL
Nonstop2h 12mFrontier
Deal found 9/10$127
This Southwest deal was found by Cheapflights users on 9/10. 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.
Wed 10/294:05 pmPHL - MDW
1 stop4h 35mSouthwest
Sat 11/19:55 amMDW - PHL
Nonstop1h 55mSouthwest
Deal found 9/10$127

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Jersey 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from New Jersey to Illinois that are best for you.

Fly from

New Jersey

Fly to

Illinois

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 10/14

6:42 pm-8:10 pm

Nonstop2h 28m

Chicago O'Hare Intl

Wed 10/22

8:45 am-11:56 am

Nonstop2h 11m

$125

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

Sat 12/6

2:20 pm-3:30 pm

Nonstop2h 10m

Chicago Midway

Sat 12/13

9:45 am-12:40 pm

Nonstop1h 55m

$129

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

Wed 10/29

10:15 am-11:25 am

Nonstop2h 10m

Chicago Midway

Wed 11/5

8:25 am-5:35 pm

2 stops8h 10m

$132

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Tue 10/21

10:30 am-12:22 pm

Nonstop2h 52m

Chicago O'Hare Intl

Sat 10/25

8:34 am-12:01 pm

Nonstop2h 27m

$133

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Wed 10/8

3:29 pm-5:13 pm

Nonstop2h 44m

Chicago O'Hare Intl

Wed 10/15

11:13 am-2:08 pm

Nonstop1h 55m

$133

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Wed 12/10

8:00 pm-9:48 pm

Nonstop2h 48m

Chicago O'Hare Intl

Tue 12/16

7:00 am-10:13 am

Nonstop2h 13m

$133

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 11/1

6:00 am-7:25 am

Nonstop2h 25m

Chicago O'Hare Intl

Sun 11/2

9:15 pm-12:15 am

Nonstop2h 00m

$133

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 10/1

6:30 am-7:52 am

Nonstop2h 22m

Chicago O'Hare Intl

Mon 10/6

2:15 pm-5:35 pm

Nonstop2h 20m

$133

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

Wed 10/22

10:15 am-11:25 am

Nonstop2h 10m

Chicago Midway

Mon 10/27

6:30 am-9:25 am

Nonstop1h 55m

$133

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 10/2

12:50 pm-2:12 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sat 10/4

7:30 am-10:39 am

Nonstop2h 09m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 60 results
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Best time to book a flight from New Jersey to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from New Jersey 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.

Cheapflights Insights

Everything you need to know about your flight from New Jersey to Illinois

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

Currently, August is the cheapest month in which you can book a flight from New Jersey to Illinois (average of $245). Flying from New Jersey to Illinois in March is currently the most expensive (average of $321). 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 NJ to IL?

Find hourly flight availability from New Jersey 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 September 11, 2025.

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

Weekly flight availability from New Jersey to Illinois

Explore weekly flight availability from New Jersey to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from USNJ to USIL are scheduled on a Wednesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).

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 September 11, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from New Jersey to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from New Jersey to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New Jersey to Illinois?

    Airlines like United Airlines, Southwest, and JetBlue fly from New Jersey to Illinois in about 2h 10m. The time it takes to get you to your destination is usually consistent. New Jersey and Illinois are separated by a distance of 666 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from New Jersey to Illinois one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from New Jersey to Illinois for a low price.

  • Can I find deals for flights from New Jersey to Illinois that include hotel bookings?

    Yes. In addition to deals on New Jersey to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Jersey to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Jersey to Illinois.

  • Can I find deals for business class flights from New Jersey to Illinois?

    Yes. Cheapflights offers flight deals from New Jersey 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.

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

    Currently, August is the cheapest month in which you can book a flight from New Jersey to Illinois (average of $245). Flying from New Jersey to Illinois in March is currently the most expensive (average of $321). 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 New Jersey to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from New Jersey to Illinois

Discover the top 5 airlines that operate flights from New Jersey 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$165FlexibilityNo cancel feeOn-time65%
FrontierCheapest$91Average$225FlexibilityNo cancel feeOn-time62%
DeltaCheapest$101Average$382FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$146Average$401FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$158Average$465FlexibilityNo cancel feeOn-time69%

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