$115+ Cheap flights from North Dakota 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
FAR — ORD
Jul 3 — Jul 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from North Dakota 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 North Dakota to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from North Dakota to IllinoisExplore the most affordable flight options available from North Dakota to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 3, 2026.
Explore the most affordable flight options available from North Dakota to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 3, 2026.
This American Airlines deal was found by Cheapflights users on 6/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:23 pm
FAR
- ORD
Nonstop2h 06m
American Airlines
Mon 8/179:05 pm
ORD
- FAR
Nonstop2h 07m
American Airlines
Deal found 6/1![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 5/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:00 am
FAR
- ORD
Nonstop2h 09m
American Airlines
Sat 7/49:40 am
ORD
- FAR
Nonstop2h 12m
American Airlines
Deal found 5/31![American Airlines logo]()
$270
This Gotogate deal was found by Cheapflights users on 5/30. 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.
Fri 8/282:32 pm
FAR
- ORD
1 stop6h 21m
Frontier
Fri 9/49:48 pm
ORD
- FAR
1 stop15h 59m
Frontier
Deal found 5/30![Frontier logo]()
$280
This Booking.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:32 pm
FAR
- ORD
1 stop6h 21m
Frontier
Sun 8/309:48 pm
ORD
- FAR
1 stop15h 59m
Frontier
Deal found 5/31![Frontier logo]()
$281
This SmartFares deal was found by Cheapflights users on 6/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:35 pm
MOT
- ORD
1 stop4h 12m
Delta
Wed 9/99:30 am
ORD
- MOT
1 stop6h 32m
Delta
Deal found 6/2![Delta logo]()
$282
This Booking.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:32 pm
FAR
- ORD
1 stop6h 11m
Frontier
Fri 7/39:48 pm
ORD
- FAR
1 stop15h 59m
Frontier
Deal found 5/28![Frontier logo]()
$282
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:41 pm
FAR
- STL
1 stop5h 03m
American Airlines
Sat 10/35:00 am
STL
- FAR
1 stop6h 51m
American Airlines
Deal found 6/2![American Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 6/2. 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 7/25:00 am
FAR
- ORD
1 stop3h 35m
Delta
Sun 7/512:27 pm
ORD
- FAR
1 stop5h 47m
Delta
Deal found 6/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 6/1. 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 8/157:10 am
FAR
- MDW
1 stop6h 00m
Delta
Wed 8/191:51 pm
MDW
- FAR
1 stop5h 57m
Delta
Deal found 6/1![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 6/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:56 pm
BIS
- ORD
Nonstop2h 14m
American Airlines
Tue 10/139:40 am
ORD
- BIS
Nonstop2h 24m
American Airlines
Deal found 6/3![American Airlines logo]()
$295
This Booking.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/12:33 pm
FAR
- ORD
1 stop6h 19m
Frontier
Tue 8/49:57 pm
ORD
- FAR
1 stop15h 51m
Frontier
Deal found 6/1![Frontier logo]()
$295
This Booking.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:33 pm
FAR
- ORD
1 stop6h 19m
Frontier
Fri 8/219:48 pm
ORD
- FAR
1 stop15h 59m
Frontier
Deal found 5/31![Frontier logo]()
$296
Best flights from North Dakota to IllinoisDiscover carefully curated flight deals from North Dakota to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 3, 2026.
Discover carefully curated flight deals from North Dakota to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 3, 2026.
This SmartFares deal was found by Cheapflights users on 6/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:34 pm
MOT
- ORD
2 stops7h 53m
Delta
Wed 9/99:30 am
ORD
- MOT
1 stop6h 32m
Delta
Deal found 6/2![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/29:45 am
FAR
- ORD
Nonstop2h 13m
United Airlines
Sun 7/58:45 am
ORD
- FAR
Nonstop2h 14m
United Airlines
Deal found 6/2![United Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 5/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:39 pm
FAR
- STL
1 stop6h 20m
American Airlines
Fri 7/39:08 am
STL
- FAR
1 stop6h 59m
American Airlines
Deal found 5/29![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/31. 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 6/255:00 am
FAR
- ORD
1 stop3h 35m
Delta
Tue 6/303:55 pm
ORD
- FAR
1 stop3h 38m
Delta
Deal found 5/31![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/31. 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 7/15:47 pm
FAR
- ORD
Nonstop2h 13m
United Airlines
Sun 7/58:45 am
ORD
- FAR
Nonstop2h 14m
United Airlines
Deal found 5/31![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 6/2. 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 7/25:00 am
FAR
- ORD
1 stop3h 35m
Delta
Sun 7/512:27 pm
ORD
- FAR
1 stop5h 47m
Delta
Deal found 6/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 6/1. 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 6/2910:55 am
FAR
- ORD
1 stop6h 07m
Delta
Thu 10/18:27 am
ORD
- FAR
1 stop5h 45m
Delta
Deal found 6/1![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 6/1. 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 8/157:10 am
FAR
- MDW
1 stop6h 00m
Delta
Mon 8/177:25 pm
MDW
- FAR
1 stop4h 25m
Delta
Deal found 6/1![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/2. 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 6/305:42 pm
FAR
- STL
1 stop5h 47m
United Airlines
Tue 7/77:05 pm
STL
- FAR
1 stop4h 43m
United Airlines
Deal found 6/2![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 5/31. 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.
Fri 7/245:00 am
FAR
- MDW
1 stop3h 37m
Delta
Mon 7/279:54 am
MDW
- FAR
1 stop4h 26m
Delta
Deal found 5/31![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/2. 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 9/155:54 am
FAR
- STL
1 stop6h 03m
United Airlines
Sat 9/195:30 pm
STL
- FAR
1 stop5h 45m
United Airlines
Deal found 6/2![United Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 6/1. 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 8/155:00 am
FAR
- MDW
1 stop3h 39m
Delta
Tue 8/187:25 pm
MDW
- FAR
1 stop4h 25m
Delta
Deal found 6/1![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Mon 6/225:45 pm
FAR
- ORD
Nonstop2h 10m
United Airlines
Sat 6/279:30 pm
ORD
- FAR
Nonstop2h 18m
United Airlines
Deal found 5/31![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/30. 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 10/155:00 am
FAR
- ORD
1 stop6h 42m
Delta
Sun 10/186:00 am
ORD
- FAR
1 stop4h 11m
Delta
Deal found 5/30![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/1. 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 7/235:00 am
FAR
- MDW
1 stop3h 37m
Delta
Tue 7/287:06 pm
MDW
- FAR
1 stop4h 45m
Delta
Deal found 6/1![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/295:04 pm
MOT
- STL
1 stop6h 41m
United Airlines
Sat 10/35:10 am
STL
- MOT
1 stop7h 39m
United Airlines
Deal found 6/1![United Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 6/1. 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 11/37:31 am
BIS
- MDW
1 stop4h 20m
Delta
Sat 11/79:55 am
MDW
- BIS
1 stop6h 59m
Delta
Deal found 6/1![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 6/1. 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.
Wed 10/712:35 pm
BIS
- MDW
1 stop4h 15m
Delta
Tue 10/135:35 pm
MDW
- BIS
1 stop5h 46m
Delta
Deal found 6/1![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 6/1. 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 10/65:00 am
BIS
- MDW
1 stop6h 51m
Delta
Sat 10/109:55 am
MDW
- BIS
1 stop6h 59m
Delta
Deal found 6/1![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 6/2. 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 9/295:07 pm
BIS
- STL
1 stop6h 38m
United Airlines
Sat 10/31:36 pm
STL
- BIS
1 stop6h 27m
United Airlines
Deal found 6/2![United Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 6/2. 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.
Wed 9/95:00 am
BIS
- ORD
1 stop3h 34m
Delta
Sat 9/123:50 pm
ORD
- BIS
1 stop4h 03m
Delta
Deal found 6/2![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 6/2. 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 10/67:31 am
BIS
- ORD
1 stop4h 11m
Delta
Sat 10/109:30 am
ORD
- BIS
1 stop4h 55m
Delta
Deal found 6/2![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 6/1. 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 8/261:23 pm
MOT
- ORD
1 stop8h 37m
United Airlines
Sat 8/297:00 am
ORD
- MOT
1 stop5h 48m
United Airlines
Deal found 6/1![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 6/1. 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 6/165:23 pm
MOT
- STL
1 stop6h 00m
Delta
Sat 6/205:36 pm
STL
- MOT
1 stop5h 57m
Delta
Deal found 6/1![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 5/29. 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 9/295:04 pm
MOT
- ORD
1 stop19h 32m
United Airlines
Sat 10/37:00 am
ORD
- MOT
1 stop5h 49m
United Airlines
Deal found 5/29![United Airlines logo]()
$634
This Delta deal was found by Cheapflights users on 6/2. 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 7/75:00 am
FAR
- ORD
1 stop3h 30m
Delta
Mon 8/38:24 pm
ORD
- FAR
1 stop3h 26m
Delta
Deal found 6/2![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 6/2. 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 8/14:28 pm
FAR
- ORD
1 stop5h 24m
Delta
Mon 8/38:24 pm
ORD
- FAR
1 stop3h 26m
Delta
Deal found 6/2![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 5/31. 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 8/271:27 pm
BIS
- MDW
1 stop4h 34m
Delta
Sat 8/299:59 am
MDW
- BIS
1 stop6h 57m
Delta
Deal found 5/31![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 5/29. 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 8/275:36 pm
BIS
- ORD
1 stop4h 11m
Delta
Sat 8/298:28 am
ORD
- BIS
1 stop4h 09m
Delta
Deal found 5/29![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 5/29. 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 10/83:00 pm
BIS
- ORD
1 stop6h 34m
Delta
Tue 10/131:35 pm
ORD
- BIS
2 stops9h 46m
Delta
Deal found 5/29![Delta logo]()
$362
Last-minute flights from North Dakota to IllinoisDiscover last-minute flight deals from North Dakota to Illinois. Data last updated June 3, 2026 and is based on user searches.
Discover last-minute flight deals from North Dakota to Illinois. Data last updated June 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:00 am
FAR
- ORD
Nonstop2h 09m
American Airlines
Sat 6/2010:00 am
ORD
- FAR
Nonstop2h 07m
American Airlines
Deal found 6/2![American Airlines logo]()
$309
This Booking.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:32 pm
FAR
- ORD
1 stop6h 11m
Frontier
Fri 7/39:48 pm
ORD
- FAR
1 stop15h 59m
Frontier
Deal found 5/28![Frontier logo]()
$282
This American Airlines deal was found by Cheapflights users on 5/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:37 pm
FAR
- ORD
Nonstop2h 13m
American Airlines
Tue 6/301:59 pm
ORD
- FAR
Nonstop2h 06m
American Airlines
Deal found 5/29![American Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 5/30. 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.
Sun 6/287:50 am
MOT
- ORD
1 stop3h 41m
Delta
Fri 7/36:30 am
ORD
- MOT
1 stop5h 23m
Delta
Deal found 5/30![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 5/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:00 am
FAR
- ORD
Nonstop2h 09m
American Airlines
Sat 7/49:40 am
ORD
- FAR
Nonstop2h 12m
American Airlines
Deal found 5/31![American Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:35 pm
FAR
- ORD
Nonstop2h 16m
American Airlines
Fri 7/33:49 pm
ORD
- FAR
1 stop8h 10m
American Airlines
Deal found 6/2![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 6/2. 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 7/25:00 am
FAR
- ORD
1 stop3h 35m
Delta
Sun 7/512:27 pm
ORD
- FAR
1 stop5h 47m
Delta
Deal found 6/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 6/2. 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 7/25:00 am
FAR
- MDW
1 stop3h 37m
Delta
Mon 7/67:16 pm
MDW
- FAR
1 stop4h 41m
Delta
Deal found 6/2![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/29:45 am
FAR
- ORD
Nonstop2h 13m
United Airlines
Sun 7/58:45 am
ORD
- FAR
Nonstop2h 14m
United Airlines
Deal found 6/2![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/39:45 am
FAR
- STL
1 stop6h 01m
United Airlines
Fri 7/105:59 pm
STL
- FAR
1 stop5h 49m
United Airlines
Deal found 6/2![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 6/2. 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 7/67:10 am
FAR
- MDW
1 stop5h 59m
Delta
Sun 8/27:06 pm
MDW
- FAR
1 stop4h 45m
Delta
Deal found 6/2![Delta logo]()
$308
This American Airlines deal was found by Cheapflights users on 6/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:38 pm
FAR
- ORD
Nonstop2h 16m
American Airlines
Sun 7/198:56 pm
ORD
- FAR
Nonstop2h 10m
American Airlines
Deal found 6/1![American Airlines logo]()
$269
One-way flights from North Dakota to IllinoisSearch for one-way flight options from North Dakota to Illinois. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
Search for one-way flight options from North Dakota to Illinois. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
This Frontier deal was found by Cheapflights users on 6/2. 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 9/22:32 pm
FAR
- ORD
1 stop6h 21m
Frontier
Deal found 6/2![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 6/1. 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.
Sat 6/272:32 pm
FAR
- ORD
1 stop6h 11m
Frontier
Deal found 6/1![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 6/2. 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 8/282:32 pm
FAR
- ORD
1 stop6h 21m
Frontier
Deal found 6/2![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 6/1. 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 6/262:32 pm
FAR
- ORD
1 stop6h 11m
Frontier
Deal found 6/1![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Sun 6/148:01 pm
FAR
- STL
2 stops22h 35m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Sun 8/302:38 pm
BIS
- ORD
2 stops39h 41m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 5/30. 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.
Sun 9/2710:25 am
FAR
- STL
2 stops8h 11m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$179
This Frontier deal was found by Cheapflights users on 5/30. 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 6/242:32 pm
FAR
- ORD
1 stop6h 11m
Frontier
Deal found 5/30![Frontier logo]()
$179
This Priceline deal was found by Cheapflights users on 6/1. 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.
Mon 6/292:32 pm
FAR
- ORD
1 stop6h 11m
Frontier
Deal found 6/1![Frontier logo]()
$184
This Priceline deal was found by Cheapflights users on 5/29. 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.
Mon 6/82:31 pm
FAR
- ORD
1 stop6h 01m
Frontier
Deal found 5/29![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/311:30 pm
FAR
- ORD
2 stops16h 49m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 7/28:13 pm
FAR
- ORD
2 stops15h 17m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$194
Find flight deals from North Dakota to Illinois
Keep the following information in mind while searching for North Dakota to Illinois flight deals. Data was last updated June 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (American Airlines) |
One-way from | $115 (Frontier) |
Popular in | March |
Cheapest in | January |
Average price | $333 |
Good round-trip deal | $406 or less |
Good one-way deal | $357 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from North Dakota 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 June 3, 2026.
Use the filters below to find and compare flights from North Dakota to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MinotChicago
MOT - ORD
MOTORD
Minot
Fri 9/4
12:34 pm-8:27 pm
2 stops7h 53m
Chicago O'Hare Intl
Wed 9/9
9:30 am-4:02 pm
1 stop6h 32m
$287
FargoChicago
FAR - ORD
FARORD
Fargo Hector Field
Thu 6/25
5:00 am-8:35 am
1 stop3h 35m
Chicago O'Hare Intl
Tue 6/30
3:55 pm-7:33 pm
1 stop3h 38m
$289
FargoChicago
FAR - ORD
FARORD
Fargo Hector Field
Thu 7/2
5:00 am-8:35 am
1 stop3h 35m
Chicago O'Hare Intl
Sun 7/5
12:27 pm-6:14 pm
1 stop5h 47m
$289
FargoChicago
FAR - ORD
FARORD
Fargo Hector Field
Mon 6/29
10:55 am-5:02 pm
1 stop6h 07m
Chicago O'Hare Intl
Thu 10/1
8:27 am-2:12 pm
1 stop5h 45m
$289
FargoChicago
FAR - MDW
FARMDW
Fargo Hector Field
Sat 8/15
7:10 am-1:10 pm
1 stop6h 00m
Chicago Midway
Mon 8/17
7:25 pm-11:50 pm
1 stop4h 25m
$289
FargoChicago
FAR - MDW
FARMDW
Fargo Hector Field
Fri 7/24
5:00 am-8:37 am
1 stop3h 37m
Chicago Midway
Mon 7/27
9:54 am-2:20 pm
1 stop4h 26m
$289
FargoChicago
FAR - MDW
FARMDW
Fargo Hector Field
Sat 8/15
5:00 am-8:39 am
1 stop3h 39m
Chicago Midway
Tue 8/18
7:25 pm-11:50 pm
1 stop4h 25m
$289
Quickest round-trip
FargoChicago
FAR - ORD
FARORD
Fargo Hector Field
Thu 7/2
9:45 am-11:58 am
Nonstop2h 13m
Chicago O'Hare Intl
Sun 7/5
8:45 am-10:59 am
Nonstop2h 14m
$308
FargoChicago
FAR - ORD
FARORD
Fargo Hector Field
Thu 10/15
5:00 am-11:42 am
1 stop6h 42m
Chicago O'Hare Intl
Sun 10/18
6:00 am-10:11 am
1 stop4h 11m
$309
FargoChicago
FAR - MDW
FARMDW
Fargo Hector Field
Thu 7/23
5:00 am-8:37 am
1 stop3h 37m
Chicago Midway
Tue 7/28
7:06 pm-11:51 pm
1 stop4h 45m
$309
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from North Dakota to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from North Dakota with our price prediction graph.
FAR-ORD
FAR-MDW
MOT-ORD
FAR-STL
BIS-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 North Dakota to Illinois
USND-USIL
FAR-ORD
FAR-MDW
MOT-ORD
FAR-STL
What is the cheapest month to book a flight from North Dakota to Illinois?
Currently, December is the cheapest month in which you can book a flight from North Dakota to Illinois (average of $102). Flying from North Dakota to Illinois in February is currently the most expensive (average of $209). 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 ND to IL?
Find hourly flight availability from North Dakota 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 June 3, 2026.
When flying from North Dakota to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 8% versus a flight in the evening.
Weekly flight availability from North Dakota to Illinois
Explore weekly flight availability from North Dakota 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 June 3, 2026.
The most flights from USND to USIL are scheduled on a Tuesday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from North Dakota to Illinois?
How far ahead should I book a flight from North Dakota to Illinois?
Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from North Dakota to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from North Dakota to Illinois?
Use this chart to determine the cheapest time to fly round-trip from North Dakota to Illinois. Price data was last updated on May 30, 2026.
Travelers seeking maximum savings on their North Dakota to Illinois flight should consider departing on Tuesday mornings 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.
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 June 3, 2026.
Read through reviews of airlines operating flights from North Dakota to Illinois, such as Delta,United Airlines, andAmerican Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from North Dakota 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 North Dakota 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 North Dakota to Illinois by cabin class
Find flights from North Dakota to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
North Dakota and Illinois flights
Browse other North Dakota and Illinois flight options. Last updated on June 3, 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 North Dakota after your stay in Illinois
North Dakota to Illinois flights
Consider these flights traveling from North Dakota to Illinois.
Top 3 airlines flying from North Dakota to Illinois
Discover the top 3 airlines that operate flights from North Dakota 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 June 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$357 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$335 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$377 | FlexibilityNo cancel fee | On-timeN/A |