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Cheap flights from New Jersey to Illinois from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Jersey to Illinois departing on 2/12. 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
0 bags

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Find the cheapest flights from New Jersey to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:29 pm - 6:29 pm
JFK
-
ORD
3h 00mnonstop
Frontier Logo
11:55 am - 3:19 pm
ORD
-
JFK
2h 24mnonstop
$84Frontier
Fri, Jan 30 - Fri, Feb 6
Spirit Airlines Logo
7:30 am - 9:12 am
LGA
-
ORD
2h 42mnonstop
Spirit Airlines Logo
5:53 pm - 8:59 pm
ORD
-
LGA
2h 06mnonstop
$84Spirit Airlines
Fri, Jan 16 - Mon, Jan 19
Frontier Logo
1:00 pm - 2:57 pm
JFK
-
ORD
2h 57mnonstop
Frontier Logo
8:35 am - 11:59 am
ORD
-
JFK
2h 24mnonstop
$85Frontier
Wed, Jan 7 - Fri, Jan 9
Spirit Airlines Logo
7:30 am - 9:12 am
LGA
-
ORD
2h 42mnonstop
Spirit Airlines Logo
5:53 pm - 8:59 pm
ORD
-
LGA
2h 06mnonstop
$85Spirit Airlines
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
9:52 am - 6:16 pm
PHL
-
ORD
9h 24m1 stop
Multiple Airlines Logo
4:44 pm - 7:59 pm
ORD
-
PHL
2h 15mnonstop
$101Multiple Airlines
Thu, Jan 22 - Fri, Jan 23
Multiple Airlines Logo
12:42 pm - 2:22 pm
PHL
-
ORD
2h 40mnonstop
Multiple Airlines Logo
8:43 pm - 11:14 am
ORD
-
PHL
13h 31m1 stop
$103Multiple Airlines
Mon, Jan 12 - Mon, Jan 12
Delta Logo
6:00 am - 11:04 am
LGA
-
STL
6h 04m1 stop
Delta Logo
7:25 am - 10:49 am
STL
-
LGA
2h 24mnonstop
$277Delta
Thu, Jan 22 - Sat, Jan 24
Delta Logo
6:05 pm - 8:06 pm
LGA
-
STL
3h 01mnonstop
Delta Logo
1:18 pm - 4:43 pm
STL
-
LGA
2h 25mnonstop
$283Delta
Tue, Jan 13 - Thu, Jan 29
United Airlines Logo
11:15 am - 4:03 pm
LGA
-
STL
5h 48m1 stop
United Airlines Logo
4:49 pm - 11:21 pm
STL
-
LGA
5h 32m1 stop
$287United Airlines
Thu, Jan 22 - Sat, Jan 24
American Airlines Logo
6:10 pm - 8:06 pm
LGA
-
STL
2h 56mnonstop
American Airlines Logo
11:41 am - 3:05 pm
STL
-
LGA
2h 24mnonstop
$305American Airlines
Tue, Mar 17 - Thu, Mar 19

Frontier flights from New Jersey to Illinois

Our best Frontier deals on New Jersey to Illinois flight tickets
Frontier
Jan 30
JFK4:29 pmNew York John F Kennedy Intl
3h 00m
ORD6:29 pmChicago O'Hare Intl
Feb 6
ORD11:55 amChicago O'Hare Intl
2h 24m
JFK3:19 pmNew York John F Kennedy Intl
$84
Find similar
Frontier
Jan 7
JFK1:00 pmNew York John F Kennedy Intl
2h 57m
ORD2:57 pmChicago O'Hare Intl
Jan 9
ORD8:35 amChicago O'Hare Intl
2h 24m
JFK11:59 amNew York John F Kennedy Intl
$85
Find similar
Frontier
Jan 7
JFK1:00 pmNew York John F Kennedy Intl
2h 57m
ORD2:57 pmChicago O'Hare Intl
Jan 9
ORD8:35 amChicago O'Hare Intl
2h 24m
JFK11:59 amNew York John F Kennedy Intl
$89
Find similar

Spirit Airlines flights from New Jersey to Illinois

Our best Spirit Airlines deals on New Jersey to Illinois flight tickets
Spirit Airlines
Jan 16
LGA7:30 amNew York LaGuardia
2h 42m
ORD9:12 amChicago O'Hare Intl
Jan 19
ORD5:53 pmChicago O'Hare Intl
2h 06m
LGA8:59 pmNew York LaGuardia
$84
Find similar
Spirit Airlines
Jan 15
LGA7:30 amNew York LaGuardia
2h 42m
ORD9:12 amChicago O'Hare Intl
Jan 19
ORD5:53 pmChicago O'Hare Intl
2h 06m
LGA8:59 pmNew York LaGuardia
$85
Find similar
Spirit Airlines
Jan 11
LGA7:30 amNew York LaGuardia
2h 42m
ORD9:12 amChicago O'Hare Intl
Jan 11
ORD5:53 pmChicago O'Hare Intl
2h 06m
LGA8:59 pmNew York LaGuardia
$87
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from New Jersey to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Fri 1/30

4:29 pm-6:29 pm

Nonstop3h 00m

Chicago O'Hare Intl

Fri 2/6

11:55 am-3:19 pm

Nonstop2h 24m

$84

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Fri 1/16

7:30 am-9:12 am

Nonstop2h 42m

Chicago O'Hare Intl

Mon 1/19

5:53 pm-8:59 pm

Nonstop2h 06m

$84

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Wed 1/7

1:00 pm-2:57 pm

Nonstop2h 57m

Chicago O'Hare Intl

Fri 1/9

8:35 am-11:59 am

Nonstop2h 24m

$85

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 1/15

7:30 am-9:12 am

Nonstop2h 42m

Chicago O'Hare Intl

Mon 1/19

5:53 pm-8:59 pm

Nonstop2h 06m

$85

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 1/22

9:52 am-6:16 pm

1 stop9h 24m

Chicago O'Hare Intl

Fri 1/23

4:44 pm-7:59 pm

Nonstop2h 15m

$101

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 1/12

12:42 pm-2:22 pm

Nonstop2h 40m

Chicago O'Hare Intl

Mon 1/12

8:43 pm-11:14 am

1 stop13h 31m

$103

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 1/22

6:00 am-11:04 am

1 stop6h 04m

Lambert-St Louis

Sat 1/24

7:25 am-10:49 am

Nonstop2h 24m

$277

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 1/13

6:05 pm-8:06 pm

Nonstop3h 01m

Lambert-St Louis

Thu 1/29

1:18 pm-4:43 pm

Nonstop2h 25m

$283

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 1/22

11:15 am-4:03 pm

1 stop5h 48m

Lambert-St Louis

Sat 1/24

4:49 pm-11:21 pm

1 stop5h 32m

$287

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 3/17

6:10 pm-8:06 pm

Nonstop2h 56m

Lambert-St Louis

Thu 3/19

11:41 am-3:05 pm

Nonstop2h 24m

$305

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 New Jersey 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 New Jersey is in January. Flight prices, which tend to average around $181, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $189.

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

The cheapest day to depart from New Jersey to Illinois is on a Wednesday when prices can be found for as low as $317. Flights from New Jersey to Illinois on a Monday will generally be more expensive and average around $396. 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 New Jersey to Illinois during this time can be as low as $285. Flights at noon are often more expensive with an average ticket price of $406.

What is the cheapest New Jersey to Illinois flight route?

Fly from Newark to Chicago Midway for the best New Jersey - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from New Jersey when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $241 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from New Jersey for as low as $174 on momondo.

What cabin class options are available on New Jersey to Illinois flights?

There are 4 cabin classes available to choose from on New Jersey 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 New Jersey to Illinois flights?

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

Cheap New Jersey to Illinois flight deals and tips

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

Best Price Found

$70

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from New Jersey in the past 72 hours is $70. The best round-trip flight deal from New Jersey to Illinois found on momondo in the last 72 hours is $67.
The fastest flight from New Jersey to Illinois takes 2h 00m
Direct flights go from New Jersey to Illinois every day.
There are 98 airports in Illinois. From New Jersey there are direct flights to Chicago Midway (MDW).
Search flight deals

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

    Prices for flights from New Jersey to Illinois refresh daily.

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

  • How old do you have to be to fly from New Jersey 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 New Jersey to Illinois.

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

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from New Jersey to Illinois

Compare and see reviews for airlines that fly from New Jersey to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $59Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $68Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
DeltaPriceFrom $101Free CancellationRating
7.9
8,005 reviews
Search Delta flights
United AirlinesPriceFrom $118Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $156Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New Jersey to Illinois for you.

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

Yes. All flights to Illinois from New Jersey on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New Jersey to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from New Jersey.

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

Price alerts on flights to Illinois from New Jersey are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Illinois trip

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Find better results for your trip to Illinois

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