$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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ORD
Mar 21 — Mar 281
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from New Jersey to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from New Jersey to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from New Jersey to IllinoisExplore 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 February 19, 2026.
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 February 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Sat 4/2511:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Sun 5/36:31 am
ORD
- JFK
Nonstop2h 29m
Frontier
Deal found 2/15![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Sat 4/116:30 am
LGA
- ORD
Nonstop2h 31m
Spirit Airlines
Tue 4/147:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Fri 3/64:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Wed 3/1112:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/15![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/168:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Wed 3/187:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$80
This Super.com deal was found by Cheapflights users on 2/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Wed 3/1812:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/15![Frontier logo]()
$81
This Spirit deal was found by Cheapflights users on 2/15. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Mon 3/95:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$81
This Frontier deal was found by Cheapflights users on 2/17. 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 3/94:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Wed 3/1812:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/17![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 2/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Mon 4/206:31 am
ORD
- JFK
Nonstop2h 29m
Frontier
Deal found 2/16![Frontier logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
Mon 3/238:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Tue 3/247:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/18![Spirit Airlines logo]()
$84
This Frontier deal was found by Cheapflights users on 2/16. 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 4/1711:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Tue 4/216:31 am
ORD
- JFK
Nonstop2h 29m
Frontier
Deal found 2/16![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/97:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Mon 3/95:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$85
This Frontier deal was found by Cheapflights users on 2/17. 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.
Wed 7/2211:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Mon 7/276:31 am
ORD
- JFK
Nonstop2h 29m
Frontier
Deal found 2/17![Frontier logo]()
$86
Best flights from New Jersey to IllinoisDiscover carefully curated flight deals from New Jersey to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 19, 2026.
Discover carefully curated flight deals from New Jersey to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 19, 2026.
This Spirit deal was found by Cheapflights users on 2/15. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:59 pm
LGA
- ORD
Nonstop2h 37m
Spirit Airlines
Wed 4/228:58 am
ORD
- LGA
Nonstop2h 06m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$91
This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:10 am
LGA
- ORD
Nonstop2h 39m
United Airlines
Sat 4/251:55 pm
ORD
- LGA
Nonstop2h 18m
United Airlines
Deal found 2/15![United Airlines logo]()
$95
This Frontier deal was found by Cheapflights users on 2/18. 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.
Sun 4/2611:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Thu 4/307:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 2/18![Frontier logo]()
$97
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:20 pm
JFK
- ORD
Nonstop2h 57m
Delta
Mon 3/910:40 am
ORD
- JFK
Nonstop2h 19m
Delta
Deal found 2/16![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 2/16. 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.
Sat 4/257:35 am
LGA
- MDW
Nonstop2h 25m
Southwest
Sat 4/256:05 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Deal found 2/16![Southwest logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Fri 4/173:45 pm
EWR
- MDW
1 stop7h 36m
Multiple Airlines
Mon 4/207:30 am
MDW
- EWR
Nonstop2h 08m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$160
This Spirit deal was found by Cheapflights users on 2/15. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:29 pm
EWR
- ORD
Nonstop2h 36m
Spirit Airlines
Sat 4/185:09 pm
ORD
- EWR
Nonstop2h 15m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$98
This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:10 am
EWR
- ORD
Nonstop2h 50m
United Airlines
Sun 4/199:55 pm
ORD
- EWR
Nonstop2h 20m
United Airlines
Deal found 2/15![United Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Sun 5/107:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 2/18![Frontier logo]()
$112
This Spirit deal was found by Cheapflights users on 2/16. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:05 pm
EWR
- ORD
Nonstop2h 35m
Spirit Airlines
Mon 3/26:51 pm
ORD
- EWR
Nonstop2h 09m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$103
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:10 am
LGA
- ORD
Nonstop2h 45m
United Airlines
Sat 4/181:55 pm
ORD
- LGA
Nonstop2h 18m
United Airlines
Deal found 2/14![United Airlines logo]()
$119
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
Fri 5/159:29 pm
EWR
- ORD
Nonstop2h 36m
Spirit Airlines
Mon 5/183:31 pm
ORD
- EWR
1 stop7h 12m
Spirit Airlines
Deal found 2/18![Spirit Airlines logo]()
$115
This Delta deal was found by Cheapflights users on 2/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:05 am
JFK
- ORD
Nonstop2h 55m
Delta
Wed 4/156:04 am
ORD
- JFK
Nonstop2h 25m
Delta
Deal found 2/14![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 2/15. 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.
Tue 4/216:00 am
LGA
- MDW
Nonstop2h 25m
Southwest
Wed 4/229:30 am
MDW
- LGA
Nonstop2h 05m
Southwest
Deal found 2/15![Southwest logo]()
$147
This Super.com deal was found by Cheapflights users on 2/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/214:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Sun 3/298:06 am
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/18![Frontier logo]()
$138
This Spirit deal was found by Cheapflights users on 2/15. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:54 pm
EWR
- ORD
Nonstop2h 28m
Spirit Airlines
Fri 3/206:01 pm
ORD
- EWR
Nonstop2h 08m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$118
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:24 am
JFK
- ORD
Nonstop3h 02m
Delta
Sat 4/186:04 am
ORD
- JFK
Nonstop2h 25m
Delta
Deal found 2/16![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 2/15. 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.
Sun 5/36:00 am
LGA
- MDW
Nonstop2h 25m
Southwest
Mon 5/47:50 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Deal found 2/15![Southwest logo]()
$147
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:00 pm
PHL
- ORD
Nonstop2h 29m
United Airlines
Tue 5/511:05 am
ORD
- PHL
Nonstop2h 11m
United Airlines
Deal found 2/14![United Airlines logo]()
$140
This Spirit deal was found by Cheapflights users on 2/15. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Fri 3/207:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$121
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:19 am
JFK
- ORD
Nonstop3h 09m
Delta
Sun 5/246:41 am
ORD
- JFK
Nonstop2h 19m
Delta
Deal found 2/17![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 2/16. 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.
Thu 4/96:00 am
LGA
- MDW
Nonstop2h 25m
Southwest
Mon 4/137:50 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Deal found 2/16![Southwest logo]()
$147
This Priceline deal was found by Cheapflights users on 2/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Sun 5/172:20 pm
MDW
- EWR
1 stop9h 56m
Frontier
Deal found 2/18![Frontier logo]()
$150
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:17 am
PHL
- ORD
Nonstop2h 28m
United Airlines
Tue 4/219:40 pm
ORD
- PHL
Nonstop2h 05m
United Airlines
Deal found 2/14![United Airlines logo]()
$140
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:19 am
JFK
- ORD
Nonstop3h 09m
Delta
Sat 4/186:04 am
ORD
- JFK
Nonstop2h 25m
Delta
Deal found 2/15![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 2/14. 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.
Sat 2/2810:20 am
LGA
- MDW
Nonstop2h 35m
Southwest
Tue 3/246:45 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Deal found 2/14![Southwest logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
Sat 3/711:05 pm
EWR
- ORD
Nonstop2h 35m
Spirit Airlines
Mon 3/98:16 pm
ORD
- EWR
1 stop13h 41m
Spirit Airlines
Deal found 2/18![Spirit Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:34 pm
PHL
- ORD
Nonstop2h 28m
United Airlines
Mon 5/119:39 pm
ORD
- PHL
Nonstop2h 06m
United Airlines
Deal found 2/15![United Airlines logo]()
$140
This Travelocity deal was found by Cheapflights users on 2/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Thu 4/237:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 2/18![Frontier logo]()
$156
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:00 pm
JFK
- ORD
Nonstop2h 52m
Delta
Tue 4/1411:08 am
ORD
- JFK
Nonstop2h 26m
Delta
Deal found 2/16![Delta logo]()
$147
Last-minute flights from New Jersey to IllinoisDiscover last-minute flight deals from New Jersey to Illinois. Data last updated February 19, 2026 and is based on user searches.
Discover last-minute flight deals from New Jersey to Illinois. Data last updated February 19, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/17. 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 2/264:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Thu 3/2612:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/17![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 2/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Tue 3/247:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/14![Spirit Airlines logo]()
$90
This Spirit deal was found by Cheapflights users on 2/15. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Mon 3/95:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$81
This Spirit deal was found by Cheapflights users on 2/16. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Sat 3/75:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$87
This CheapOair deal was found by Cheapflights users on 2/16. 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.
Sat 3/711:05 pm
EWR
- ORD
Nonstop2h 35m
Spirit Airlines
Wed 3/1110:44 am
ORD
- EWR
1 stop11h 35m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/97:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Mon 3/95:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$85
This Expedia deal was found by Cheapflights users on 2/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Wed 3/115:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/17![Spirit Airlines logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/168:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Wed 3/187:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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.
Mon 3/168:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Tue 3/177:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/17![Spirit Airlines logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
Thu 3/198:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Mon 3/237:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/18![Spirit Airlines logo]()
$91
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
Mon 3/238:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Mon 3/307:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Deal found 2/18![Spirit Airlines logo]()
$84
This Spirit deal was found by Cheapflights users on 2/15. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:06 am
EWR
- ORD
1 stop7h 50m
Spirit Airlines
Wed 3/256:01 pm
ORD
- EWR
Nonstop2h 08m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$91
One-way flights from New Jersey to IllinoisSearch for one-way flight options from New Jersey to Illinois. Find affordable one-way fares based on user searches. Data last updated February 19, 2026.
Search for one-way flight options from New Jersey to Illinois. Find affordable one-way fares based on user searches. Data last updated February 19, 2026.
This Super.com deal was found by Cheapflights users on 2/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/64:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/18![Frontier logo]()
$54
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
Thu 4/96:30 am
LGA
- ORD
Nonstop2h 31m
Spirit Airlines
Deal found 2/18![Spirit Airlines logo]()
$54
This Frontier deal was found by Cheapflights users on 2/18. 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.
Tue 5/1211:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Deal found 2/18![Frontier logo]()
$55
This Gotogate deal was found by Cheapflights users on 2/15. 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 4/16:30 am
LGA
- ORD
Nonstop2h 31m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$55
This Frontier deal was found by Cheapflights users on 2/15. 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 4/1611:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Deal found 2/15![Frontier logo]()
$56
This Trip.com deal was found by Cheapflights users on 2/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 pm
LGA
- ORD
Nonstop2h 37m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$56
This Flysmarter deal was found by Cheapflights users on 2/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:59 pm
JFK
- ORD
Nonstop3h 01m
JetBlue
Deal found 2/15![JetBlue logo]()
$57
This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/811:30 am
EWR
- MDW
Nonstop2h 32m
Frontier
Deal found 2/18![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/97:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$57
This Super.com deal was found by Cheapflights users on 2/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/18![Frontier logo]()
$58
This Super.com deal was found by Cheapflights users on 2/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:05 pm
EWR
- ORD
Nonstop2h 35m
Spirit Airlines
Deal found 2/18![Spirit Airlines logo]()
$58
This Cheapflightsfares deal was found by Cheapflights users on 2/16. 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 3/711:55 am
LGA
- ORD
1 stop8h 52m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$58
Find 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 February 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $79 (Kiwi.com) |
One-way from | $54 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $215 |
Good round-trip deal | $56 or less |
Good one-way deal | $38 or less |
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 February 19, 2026.
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
Tue 4/21
12:59 pm-2:36 pm
Nonstop2h 37m
Chicago O'Hare Intl
Wed 4/22
8:58 am-12:04 pm
Nonstop2h 06m
$91
New YorkChicago
LGA - ORD
LGAORD
New York LaGuardia
Thu 4/23
6:10 am-7:49 am
Nonstop2h 39m
Chicago O'Hare Intl
Sat 4/25
1:55 pm-5:13 pm
Nonstop2h 18m
$95
NewarkChicago
EWR - MDW
EWRMDW
Newark
Sun 4/26
11:30 am-1:00 pm
Nonstop2h 30m
Chicago Midway
Thu 4/30
7:30 am-10:38 am
Nonstop2h 08m
$97
NewarkChicago
EWR - ORD
EWRORD
Newark
Thu 4/16
9:29 pm-11:05 pm
Nonstop2h 36m
Chicago O'Hare Intl
Sat 4/18
5:09 pm-8:24 pm
Nonstop2h 15m
$98
NewarkChicago
EWR - ORD
EWRORD
Newark
Fri 4/17
7:10 am-9:00 am
Nonstop2h 50m
Chicago O'Hare Intl
Sun 4/19
9:55 pm-1:15 am
Nonstop2h 20m
$99
NewarkChicago
EWR - ORD
EWRORD
Newark
Fri 2/27
11:05 pm-12:40 am
Nonstop2h 35m
Chicago O'Hare Intl
Mon 3/2
6:51 pm-10:00 pm
Nonstop2h 09m
$103
NewarkChicago
EWR - MDW
EWRMDW
Newark
Fri 5/8
11:30 am-1:00 pm
Nonstop2h 30m
Chicago Midway
Sun 5/10
7:30 am-10:38 am
Nonstop2h 08m
$112
NewarkChicago
EWR - ORD
EWRORD
Newark
Fri 5/15
9:29 pm-11:05 pm
Nonstop2h 36m
Chicago O'Hare Intl
Mon 5/18
3:31 pm-11:43 pm
1 stop7h 12m
$115
NewarkChicago
EWR - ORD
EWRORD
Newark
Wed 3/18
10:54 pm-12:22 am
Nonstop2h 28m
Chicago O'Hare Intl
Fri 3/20
6:01 pm-9:09 pm
Nonstop2h 08m
$118
New YorkChicago
LGA - ORD
LGAORD
New York LaGuardia
Wed 4/15
9:10 am-10:55 am
Nonstop2h 45m
Chicago O'Hare Intl
Sat 4/18
1:55 pm-5:13 pm
Nonstop2h 18m
$119
Showing 1-10 of 60 results
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.
JFK-ORD
LGA-ORD
EWR-MDW
LGA-MDW
EWR-ORD
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
USNJ-USIL
JFK-ORD
LGA-ORD
EWR-MDW
LGA-MDW
What is the cheapest month to book a flight from New Jersey to Illinois?
Currently, December is the cheapest month in which you can book a flight from New Jersey to Illinois (average of $48). 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 February 19, 2026.
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 49% on your trip compared to booking a flight in the afternoon.
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 February 17, 2026.
Travelers seeking maximum savings on their New Jersey to Illinois flight should consider departing on Tuesday at noon 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 February 19, 2026.
The most flights from USNJ to USIL are scheduled on a Monday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 February 19, 2026.
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.
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for New Jersey to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Jersey to Illinois by cabin class
Find flights from New Jersey to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New Jersey and Illinois flights
Browse other New Jersey and Illinois flight options. Last updated on February 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to New Jersey after your stay in Illinois
New Jersey to Illinois flights
Consider these flights traveling from New Jersey to Illinois.
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 February 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$175 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$67 | Average$142 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$98 | Average$379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$144 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$163 | Average$439 | FlexibilityNo cancel fee | On-time71% |