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$54+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ORD
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$108
(Frontier)

One-way from

$54
(Frontier)

Popular in

August

Cheapest in

January

Average price

$239

Good round-trip deal

$130 or less

Good one-way deal

$43 or less
Provider with most accurate pricing for New York (NYC)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Chicago (CHI) flights.
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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. 7% potential increase in price ($18 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 October 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 October 14, 2025.

This Frontier deal was found by Cheapflights users on 10/12. 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.
Mon 11/32:35 pmPHL - ORD
1 stop9h 53mFrontier
Thu 11/63:18 pmORD - PHL
1 stop8h 01mFrontier
Deal found 10/12$108
This Booking.com deal was found by Cheapflights users on 10/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:42 amPHL - ORD
1 stop19h 17mFrontier
Mon 11/311:53 amORD - PHL
1 stop11h 46mFrontier
Deal found 10/13$109
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Mon 11/35:50 amPHL - ORD
1 stop5h 51mFrontier
Fri 11/79:47 pmORD - PHL
Nonstop2h 12mFrontier
Deal found 10/13$110
This Frontier deal was found by Cheapflights users on 10/13. 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 10/306:00 amPHL - ORD
Nonstop2h 26mFrontier
Mon 11/38:26 amORD - PHL
Nonstop2h 13mFrontier
Deal found 10/13$112
This Frontier deal was found by Cheapflights users on 10/12. 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.
Mon 10/274:10 pmPHL - ORD
Nonstop2h 30mFrontier
Sat 11/225:30 amORD - PHL
Nonstop2h 07mFrontier
Deal found 10/12$113
This CheapOair deal was found by Cheapflights users on 10/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:00 amPHL - ORD
Nonstop2h 26mFrontier
Mon 11/178:26 amORD - PHL
Nonstop2h 13mFrontier
Deal found 10/13$114
This Booking.com deal was found by Cheapflights users on 10/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:10 pmPHL - ORD
Nonstop2h 30mFrontier
Mon 10/275:50 amORD - PHL
1 stop17h 49mFrontier
Deal found 10/13$115
This Mytrip deal was found by Cheapflights users on 10/13. 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.
Wed 10/296:50 pmPHL - ORD
1 stop18h 36mFrontier
Mon 11/38:26 amORD - PHL
Nonstop2h 13mFrontier
Deal found 10/13$117
This Priceline deal was found by Cheapflights users on 10/13. 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.
Wed 11/1911:00 amJFK - ORD
Nonstop2h 45mFrontier
Sat 11/2211:48 amORD - JFK
Nonstop2h 20mFrontier
Deal found 10/13$118
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 11/135:30 pmLGA - ORD
1 stop6h 58mMultiple Airlines
Tue 1/138:41 amORD - LGA
1 stop7h 47mMultiple Airlines
Deal found 10/13$118
This Frontier deal was found by Cheapflights users on 10/13. 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 11/136:00 amPHL - ORD
Nonstop2h 26mFrontier
Sun 11/165:11 amORD - PHL
Nonstop2h 12mFrontier
Deal found 10/13$118
This Gotogate deal was found by Cheapflights users on 10/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:29 amLGA - MDW
1 stop7h 12mFrontier
Thu 10/3012:30 pmMDW - LGA
1 stop8h 30mFrontier
Deal found 10/13$118

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 October 14, 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

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Fri 11/14

4:59 pm-6:34 pm

Nonstop2h 35m

Chicago O'Hare Intl

Sun 11/16

7:34 pm-10:42 pm

Nonstop2h 08m

$119

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 11/13

4:59 pm-6:34 pm

Nonstop2h 35m

Chicago O'Hare Intl

Sun 11/16

7:34 pm-10:42 pm

Nonstop2h 08m

$119

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 11/1

10:15 am-11:57 am

Nonstop2h 42m

Chicago O'Hare Intl

Sat 11/1

8:00 pm-11:16 pm

Nonstop2h 16m

$137

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Wed 11/12

9:55 pm-11:20 pm

Nonstop2h 25m

Chicago Midway

Wed 11/19

5:55 pm-9:00 pm

Nonstop2h 05m

$137

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 11/1

7:22 pm-8:57 pm

Nonstop2h 35m

Chicago O'Hare Intl

Tue 11/4

6:00 am-9:07 am

Nonstop2h 07m

$137

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Wed 11/12

9:55 pm-11:20 pm

Nonstop2h 25m

Chicago Midway

Mon 11/17

5:55 pm-9:00 pm

Nonstop2h 05m

$137

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 11/11

6:15 am-7:57 am

Nonstop2h 42m

Chicago O'Hare Intl

Wed 11/12

7:00 am-10:07 am

Nonstop2h 07m

$137

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Thu 11/13

9:00 am-10:25 am

Nonstop2h 25m

Chicago Midway

Mon 11/17

7:15 pm-10:20 pm

Nonstop2h 05m

$137

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Wed 11/5

9:15 am-10:57 am

Nonstop2h 42m

Chicago O'Hare Intl

Sat 11/8

6:30 pm-9:46 pm

Nonstop2h 16m

$137

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Wed 11/19

8:00 pm-9:52 pm

Nonstop2h 52m

Chicago O'Hare Intl

Thu 11/27

1:43 pm-4:59 pm

Nonstop2h 16m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

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, February is the cheapest month in which you can book a flight from New Jersey to Illinois (average of $69). Flying from New Jersey to Illinois in August is currently the most expensive (average of $159). 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 October 14, 2025.

A simple way to save on the total cost of your ticket is to fly from New Jersey to Illinois in the evening. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from New Jersey to Illinois?

Use this chart to determine the cheapest time to fly round-trip from New Jersey to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their New Jersey to Illinois flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 14, 2025.

The most flights from USNJ to USIL are scheduled on a Friday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (49 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 October 14, 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
7,973 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,973 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,043 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Spirit Airlines
6.3
Okay
8,092 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,135 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Spirit Airlines, United Airlines, and Southwest fly from New Jersey to Illinois in about 2h 25m. The time it takes to get you to your destination is usually consistent. New Jersey and Illinois are separated by a distance of 722 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 JetBlue, with whom users have recently found tickets for as low as $69. 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, February is the cheapest month in which you can book a flight from New Jersey to Illinois (average of $69). Flying from New Jersey to Illinois in August is currently the most expensive (average of $159). 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$68Average$160FlexibilityNo cancel feeOn-time65%
FrontierCheapest$91Average$225FlexibilityNo cancel feeOn-time62%
DeltaCheapest$101Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$156Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$157Average$451FlexibilityNo cancel feeOn-time69%

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