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$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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ORD
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
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 agosto 20, 2025.

Round-trip from

$127
(Cheapflightsfares)

One-way from

$70
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$269

Good round-trip deal

$39 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. 11% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
dom. 8/3110:47 amPHL - ORD
Nonstop2h 33mFrontier
dom. 9/76:10 amORD - PHL
Nonstop2h 15mFrontier
Deal found 8/19$127
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
jue. 9/116:00 amPHL - MDW
Nonstop2h 11mFrontier
dom. 9/148:06 amMDW - PHL
Nonstop2h 01mFrontier
Deal found 8/19$127
This Frontier deal was found by Cheapflights users on 8/19. 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.
dom. 8/3110:47 amPHL - ORD
Nonstop2h 33mFrontier
dom. 9/146:10 amORD - PHL
Nonstop2h 15mFrontier
Deal found 8/19$128
This Frontier deal was found by Cheapflights users on 8/19. 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.
vie. 9/126:00 amPHL - MDW
Nonstop2h 11mFrontier
lun. 9/228:15 amMDW - PHL
Nonstop2h 01mFrontier
Deal found 8/19$128
This Frontier deal was found by Cheapflights users on 8/20. 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.
dom. 9/710:21 amPHL - ORD
Nonstop2h 37mFrontier
jue. 9/186:10 amORD - PHL
Nonstop2h 15mFrontier
Deal found 8/20$129
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/55:01 amPHL - MDW
1 stop8h 43mFrontier
dom. 10/128:25 amMDW - PHL
Nonstop2h 02mFrontier
Deal found 8/19$129
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/2610:16 pmPHL - ORD
1 stop18h 01mFrontier
dom. 9/286:10 amORD - PHL
Nonstop2h 15mFrontier
Deal found 8/18$130
This Frontier deal was found by Cheapflights users on 8/18. 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.
lun. 8/2512:00 pmPHL - MDW
Nonstop2h 10mFrontier
jue. 9/114:56 pmMDW - PHL
1 stop7h 01mFrontier
Deal found 8/18$130
This Frontier deal was found by Cheapflights users on 8/18. 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.
lun. 8/2512:18 pmPHL - ORD
1 stop5h 39mFrontier
dom. 9/146:10 amORD - PHL
Nonstop2h 15mFrontier
Deal found 8/18$131
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
jue. 9/46:00 amPHL - MDW
Nonstop2h 11mFrontier
dom. 9/148:06 amMDW - PHL
Nonstop2h 01mFrontier
Deal found 8/18$131
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/38:10 amPHL - ORD
1 stop16h 48mFrontier
dom. 10/56:10 amORD - PHL
Nonstop2h 15mFrontier
Deal found 8/19$132
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/311:28 pmPHL - MDW
Nonstop2h 13mFrontier
dom. 9/710:13 amMDW - PHL
1 stop20h 22mFrontier
Deal found 8/19$132

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 agosto 20, 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

dom. 8/31

10:47 am-12:20 pm

Nonstop2h 33m

Chicago O'Hare Intl

jue. 9/4

6:10 am-9:25 am

Nonstop2h 15m

$127

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

dom. 8/31

10:47 am-12:20 pm

Nonstop2h 33m

Chicago O'Hare Intl

lun. 9/15

6:10 am-9:25 am

Nonstop2h 15m

$128

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

jue. 10/16

4:10 pm-5:40 pm

Nonstop2h 30m

Chicago O'Hare Intl

lun. 10/20

11:51 am-3:00 pm

Nonstop2h 09m

$128

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

dom. 8/31

10:47 am-12:20 pm

Nonstop2h 33m

Chicago O'Hare Intl

vie. 9/12

6:10 am-9:25 am

Nonstop2h 15m

$128

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

dom. 8/31

10:47 am-12:20 pm

Nonstop2h 33m

Chicago O'Hare Intl

jue. 9/11

6:10 am-9:25 am

Nonstop2h 15m

$128

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

dom. 8/31

10:47 am-12:20 pm

Nonstop2h 33m

Chicago O'Hare Intl

dom. 9/14

6:10 am-9:25 am

Nonstop2h 15m

$128

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

dom. 9/14

6:00 am-7:11 am

Nonstop2h 11m

Chicago Midway

vie. 9/19

8:15 am-11:16 am

Nonstop2h 01m

$128

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

sáb. 9/13

7:30 am-9:02 am

Nonstop2h 32m

Chicago O'Hare Intl

lun. 9/15

8:20 pm-11:38 pm

Nonstop2h 18m

$138

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

jue. 9/4

10:30 am-12:10 pm

Nonstop2h 40m

Chicago O'Hare Intl

mar. 9/16

6:45 am-9:59 am

Nonstop2h 14m

$142

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

jue. 11/6

1:24 pm-2:56 pm

Nonstop2h 32m

Chicago O'Hare Intl

mar. 11/11

8:41 am-7:11 pm

1 stop9h 30m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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 agosto 20, 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 agosto 20, 2025.

The most flights from USNJ to USIL are scheduled on a Wednesday (56 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 agosto 20, 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
7,982 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

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
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

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
7,982 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

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
8,039 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

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
3,207 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

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 Frontier, Delta, and JetBlue fly from New Jersey to Illinois in about 2h 32m. The time it takes to get you to your destination is usually consistent. New Jersey and Illinois are separated by a distance of 731 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 American Airlines, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from United Airlines and Southwest, 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 4 airlines flying from New Jersey to Illinois

Discover the top 4 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$66Average$164FlexibilityNo cancel feeOn-time65%
DeltaCheapest$101Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$146Average$403FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$156Average$435FlexibilityNo cancel feeOn-time69%

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