$59+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ORD
May 22 — May 291
Round-trip
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 April 22, 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 April 22, 2026.
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Tue 6/161:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$134
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:29 pm
LGA
- ORD
Nonstop2h 42m
Multiple Airlines
Tue 5/191:59 pm
ORD
- LGA
1 stop8h 15m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Wed 5/201:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$136
This Super.com deal was found by Cheapflights users on 4/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Sun 5/37:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 4/17![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Sat 5/25:59 am
EWR
- ORD
1 stop6h 34m
Multiple Airlines
Thu 5/712:59 pm
ORD
- EWR
Nonstop2h 07m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/202:57 pm
LGA
- ORD
Nonstop2h 35m
Spirit Airlines
Tue 6/231:50 pm
ORD
- LGA
Nonstop2h 17m
Spirit Airlines
Deal found 4/17![Spirit Airlines logo]()
$137
This Frontier deal was found by Cheapflights users on 4/17. 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.
Sun 4/2611:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Mon 5/47:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 4/17![Frontier logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Sat 7/182:45 pm
EWR
- ORD
Nonstop2h 26m
Spirit Airlines
Tue 7/215:06 pm
ORD
- EWR
Nonstop2h 22m
Spirit Airlines
Deal found 4/17![Spirit Airlines logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Tue 5/56:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Wed 5/61:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Deal found 4/17![Spirit Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Sat 5/27:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 4/19![Frontier logo]()
$139
This Mytrip deal was found by Cheapflights users on 4/19. 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.
Tue 6/232:45 pm
EWR
- ORD
Nonstop2h 26m
Spirit Airlines
Tue 6/305:06 pm
ORD
- EWR
Nonstop2h 22m
Spirit Airlines
Deal found 4/19![Spirit Airlines logo]()
$139
This CheapOair deal was found by Cheapflights users on 4/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Wed 5/61:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Deal found 4/19![Spirit Airlines logo]()
$139
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 April 22, 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 April 22, 2026.
This Spirit deal was found by Cheapflights users on 4/20. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:45 pm
EWR
- ORD
Nonstop2h 26m
Spirit Airlines
Wed 7/15:06 pm
ORD
- EWR
Nonstop2h 22m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$149
This Southwest deal was found by Cheapflights users on 4/21. 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.
Fri 5/296:00 am
LGA
- MDW
Nonstop2h 25m
Southwest
Tue 6/28:15 am
MDW
- LGA
Nonstop2h 05m
Southwest
Deal found 4/21![Southwest logo]()
$155
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/67:10 am
LGA
- ORD
Nonstop2h 39m
United Airlines
Tue 5/1212:50 pm
ORD
- LGA
Nonstop2h 18m
United Airlines
Deal found 4/21![United Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 4/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:55 pm
LGA
- ORD
Nonstop3h 07m
Delta
Tue 6/166:00 am
ORD
- LGA
Nonstop2h 12m
Delta
Deal found 4/19![Delta logo]()
$177
This JetBlue deal was found by Cheapflights users on 4/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:00 am
JFK
- ORD
Nonstop2h 45m
JetBlue
Wed 7/16:27 pm
ORD
- JFK
Nonstop2h 46m
JetBlue
Deal found 4/21![JetBlue logo]()
$212
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/199:40 pm
EWR
- ORD
Nonstop2h 50m
United Airlines
Tue 6/236:00 am
ORD
- EWR
Nonstop2h 12m
United Airlines
Deal found 4/21![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 4/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:00 am
LGA
- MDW
Nonstop2h 20m
Southwest
Sun 7/55:20 am
MDW
- LGA
Nonstop2h 00m
Southwest
Deal found 4/19![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 4/21. 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 7/16:00 am
LGA
- MDW
Nonstop2h 20m
Southwest
Sat 7/46:05 am
MDW
- LGA
Nonstop2h 00m
Southwest
Deal found 4/21![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
LGA
- ORD
1 stop6h 53m
United Airlines
Sat 7/116:00 pm
ORD
- LGA
Nonstop2h 25m
United Airlines
Deal found 4/17![United Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 4/21. 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 5/77:00 am
EWR
- MDW
1 stop5h 56m
Delta
Sat 5/166:36 pm
MDW
- EWR
1 stop3h 42m
Delta
Deal found 4/21![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 4/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:35 am
PHL
- MDW
Nonstop2h 05m
Southwest
Sat 5/304:20 pm
MDW
- PHL
1 stop4h 15m
Southwest
Deal found 4/20![Southwest logo]()
$187
This JetBlue deal was found by Cheapflights users on 4/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:29 pm
JFK
- ORD
Nonstop2h 47m
JetBlue
Mon 7/69:39 am
ORD
- JFK
Nonstop2h 16m
JetBlue
Deal found 4/20![JetBlue logo]()
$231
This Delta deal was found by Cheapflights users on 4/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:35 pm
JFK
- ORD
Nonstop3h 13m
Delta
Sun 6/286:05 am
ORD
- JFK
Nonstop2h 21m
Delta
Deal found 4/19![Delta logo]()
$212
This United Airlines deal was found by Cheapflights users on 4/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:45 pm
EWR
- ORD
Nonstop2h 41m
United Airlines
Sun 5/106:00 am
ORD
- EWR
Nonstop2h 12m
United Airlines
Deal found 4/18![United Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:10 am
JFK
- ORD
Nonstop2h 50m
Delta
Wed 9/26:00 am
ORD
- JFK
Nonstop2h 23m
Delta
Deal found 4/19![Delta logo]()
$212
This Spirit deal was found by Cheapflights users on 4/21. 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 5/222:50 pm
EWR
- ORD
1 stop8h 24m
Spirit Airlines
Mon 5/2512:59 pm
ORD
- EWR
Nonstop2h 07m
Spirit Airlines
Deal found 4/21![Spirit Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 4/21. 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 5/286:00 am
LGA
- MDW
Nonstop2h 25m
Southwest
Sun 5/315:20 am
MDW
- LGA
Nonstop2h 00m
Southwest
Deal found 4/21![Southwest logo]()
$196
This United Airlines deal was found by Cheapflights users on 4/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:30 am
EWR
- ORD
Nonstop2h 44m
United Airlines
Sat 5/308:09 pm
ORD
- EWR
Nonstop2h 32m
United Airlines
Deal found 4/19![United Airlines logo]()
$197
This JetBlue deal was found by Cheapflights users on 4/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:59 pm
JFK
- ORD
Nonstop2h 59m
JetBlue
Fri 6/125:22 pm
ORD
- JFK
Nonstop2h 38m
JetBlue
Deal found 4/21![JetBlue logo]()
$261
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:40 am
EWR
- MDW
1 stop3h 50m
Delta
Tue 9/296:00 am
MDW
- EWR
1 stop5h 23m
Delta
Deal found 4/20![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 4/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:55 am
LGA
- ORD
1 stop6h 55m
Southwest
Wed 5/2711:55 am
ORD
- LGA
1 stop7h 50m
Southwest
Deal found 4/20![Southwest logo]()
$203
This United Airlines deal was found by Cheapflights users on 4/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:10 am
EWR
- ORD
Nonstop2h 43m
United Airlines
Fri 5/85:00 am
ORD
- EWR
Nonstop2h 12m
United Airlines
Deal found 4/19![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 4/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:45 pm
JFK
- ORD
Nonstop3h 04m
Delta
Sun 5/316:07 am
ORD
- JFK
Nonstop2h 23m
Delta
Deal found 4/18![Delta logo]()
$222
This Southwest deal was found by Cheapflights users on 4/21. 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 5/233:45 pm
PHL
- MDW
Nonstop2h 15m
Southwest
Wed 5/272:50 pm
MDW
- PHL
Nonstop2h 00m
Southwest
Deal found 4/21![Southwest logo]()
$204
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/610:24 am
EWR
- ORD
Nonstop2h 44m
United Airlines
Sun 5/105:00 am
ORD
- EWR
Nonstop2h 12m
United Airlines
Deal found 4/21![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 4/21. 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 5/192:23 pm
PHL
- MDW
1 stop7h 46m
Delta
Sun 5/249:22 am
MDW
- PHL
1 stop6h 08m
Delta
Deal found 4/21![Delta logo]()
$223
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/69:15 pm
LGA
- ORD
Nonstop2h 45m
United Airlines
Thu 5/76:00 am
ORD
- LGA
Nonstop2h 13m
United Airlines
Deal found 4/21![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 4/21. 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.
Mon 6/158:55 am
LGA
- MDW
1 stop5h 50m
Southwest
Tue 6/305:15 am
MDW
- LGA
Nonstop2h 00m
Southwest
Deal found 4/21![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 4/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:00 pm
LGA
- ORD
Nonstop2h 48m
Delta
Mon 7/66:00 am
ORD
- LGA
Nonstop2h 12m
Delta
Deal found 4/18![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 4/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
LGA
- ORD
1 stop4h 37m
United Airlines
Wed 5/134:25 pm
ORD
- LGA
1 stop6h 05m
United Airlines
Deal found 4/18![United Airlines logo]()
$217
Last-minute flights from New Jersey to IllinoisDiscover last-minute flight deals from New Jersey to Illinois. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from New Jersey to Illinois. Data last updated April 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Sat 5/27:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 4/19![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 4/17. 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.
Sun 4/2611:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Sat 5/27:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 4/17![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 4/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Sun 5/37:30 am
MDW
- EWR
Nonstop2h 08m
Frontier
Deal found 4/17![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Sat 5/25:59 am
EWR
- ORD
1 stop6h 34m
Multiple Airlines
Thu 5/712:59 pm
ORD
- EWR
Nonstop2h 07m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$137
This Priceline deal was found by Cheapflights users on 4/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:08 am
EWR
- ORD
Nonstop2h 34m
Multiple Airlines
Sat 5/24:28 pm
ORD
- EWR
1 stop7h 48m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$140
This CheapOair deal was found by Cheapflights users on 4/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Wed 5/61:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Deal found 4/19![Spirit Airlines logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Tue 5/56:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Wed 5/61:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Deal found 4/17![Spirit Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Wed 5/201:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:00 pm
LGA
- ORD
1 stop10h 55m
Multiple Airlines
Tue 5/121:49 pm
ORD
- LGA
Nonstop2h 11m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$137
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:29 pm
LGA
- ORD
Nonstop2h 42m
Multiple Airlines
Tue 5/191:59 pm
ORD
- LGA
1 stop8h 15m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:29 pm
EWR
- ORD
1 stop10h 26m
Multiple Airlines
Thu 5/2112:59 pm
ORD
- EWR
Nonstop2h 07m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:29 pm
EWR
- MDW
1 stop13h 40m
Frontier
Sat 5/306:00 am
MDW
- EWR
1 stop18h 18m
Frontier
Deal found 4/20![Frontier logo]()
$140
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 April 22, 2026.
Search for one-way flight options from New Jersey to Illinois. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This Frontier deal was found by Cheapflights users on 4/18. 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.
Thu 4/3011:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Deal found 4/18![Frontier logo]()
$59
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Thu 5/75:01 pm
EWR
- ORD
Nonstop2h 37m
Spirit Airlines
Deal found 4/17![Spirit Airlines logo]()
$59
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:08 am
EWR
- ORD
Nonstop2h 34m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$60
This Frontier deal was found by Cheapflights users on 4/20. 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.
Mon 5/411:30 am
EWR
- MDW
Nonstop2h 30m
Frontier
Deal found 4/20![Frontier logo]()
$64
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:08 am
EWR
- ORD
Nonstop2h 34m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$64
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:01 pm
EWR
- ORD
Nonstop2h 37m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Mon 5/1110:29 pm
EWR
- STL
1 stop20h 04m
Frontier
Deal found 4/18![Frontier logo]()
$65
This CheapOair deal was found by Cheapflights users on 4/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:45 pm
EWR
- ORD
Nonstop2h 26m
Spirit Airlines
Deal found 4/17![Spirit Airlines logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:29 pm
EWR
- MDW
1 stop24h 33m
Frontier
Deal found 4/17![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:55 am
EWR
- STL
1 stop12h 38m
Frontier
Deal found 4/17![Frontier logo]()
$68
This Super.com deal was found by Cheapflights users on 4/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:55 am
EWR
- MDW
1 stop6h 14m
Frontier
Deal found 4/20![Frontier logo]()
$69
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Tue 5/125:55 am
EWR
- MDW
1 stop6h 14m
Frontier
Deal found 4/21![Frontier logo]()
$70
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 April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $134 (CheapOair) |
One-way from | $59 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $275 |
Good round-trip deal | $72 or less |
Good one-way deal | $61 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 April 22, 2026.
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
Cheapest round-trip
NewarkChicago
EWR - ORD
EWRORD
Newark
Tue 6/30
2:45 pm-4:11 pm
Nonstop2h 26m
Chicago O'Hare Intl
Wed 7/1
5:06 pm-8:28 pm
Nonstop2h 22m
$149
New YorkChicago
LGA - MDW
LGAMDW
New York LaGuardia
Fri 5/29
6:00 am-7:25 am
Nonstop2h 25m
Chicago Midway
Tue 6/2
8:15 am-11:20 am
Nonstop2h 05m
$155
New YorkChicago
LGA - ORD
LGAORD
New York LaGuardia
Wed 5/6
7:10 am-8:49 am
Nonstop2h 39m
Chicago O'Hare Intl
Tue 5/12
12:50 pm-4:08 pm
Nonstop2h 18m
$173
New YorkChicago
LGA - ORD
LGAORD
New York LaGuardia
Sat 6/13
5:55 pm-8:02 pm
Nonstop3h 07m
Chicago O'Hare Intl
Tue 6/16
6:00 am-9:12 am
Nonstop2h 12m
$177
NewarkChicago
EWR - ORD
EWRORD
Newark
Fri 6/19
9:40 pm-11:30 pm
Nonstop2h 50m
Chicago O'Hare Intl
Tue 6/23
6:00 am-9:12 am
Nonstop2h 12m
$177
New YorkChicago
LGA - MDW
LGAMDW
New York LaGuardia
Thu 7/2
6:00 am-7:20 am
Nonstop2h 20m
Chicago Midway
Sun 7/5
5:20 am-8:20 am
Nonstop2h 00m
$177
New YorkChicago
LGA - MDW
LGAMDW
New York LaGuardia
Wed 7/1
6:00 am-7:20 am
Nonstop2h 20m
Chicago Midway
Sat 7/4
6:05 am-9:05 am
Nonstop2h 00m
$177
New YorkChicago
LGA - ORD
LGAORD
New York LaGuardia
Wed 7/8
6:00 am-11:53 am
1 stop6h 53m
Chicago O'Hare Intl
Sat 7/11
6:00 pm-9:25 pm
Nonstop2h 25m
$187
PhiladelphiaChicago
PHL - MDW
PHLMDW
Philadelphia
Wed 5/27
11:35 am-12:40 pm
Nonstop2h 05m
Chicago Midway
Sat 5/30
4:20 pm-9:35 pm
1 stop4h 15m
$187
New YorkChicago
LGA - MDW
LGAMDW
New York LaGuardia
Thu 5/28
6:00 am-7:25 am
Nonstop2h 25m
Chicago Midway
Sun 5/31
5:20 am-8:20 am
Nonstop2h 00m
$196
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LGA-ORD
EWR-MDW
EWR-ORD
LGA-MDW
JFK-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
LGA-ORD
EWR-MDW
EWR-ORD
LGA-MDW
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 April 22, 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 April 18, 2026.
Travelers seeking maximum savings on their New Jersey to Illinois flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons 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 April 22, 2026.
The most flights from USNJ to USIL are scheduled on a Monday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
How much does it cost to fly round-trip from New Jersey to Illinois?
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 April 22, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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.
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Overall
7.9
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 April 22, 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 April 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$157 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$68 | Average$149 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$101 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$405 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$164 | Average$436 | FlexibilityNo cancel fee | On-time71% |