$131+ Cheap flights from North Dakota to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
FAR — ORD
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from North Dakota to Illinois with Cheapflights
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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
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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 September 7, 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 September 7, 2026.
This CheapOair deal was found by Cheapflights users on 9/6. 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.
Fri 11/67:59 pm -
1 stop28h 22m
Mon 11/96:30 am -
1 stop12h 34m
Deal found 9/6![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:41 pm -
1 stop11h 43m
Fri 10/306:30 am -
1 stop12h 34m
Deal found 9/7![Frontier logo]()
$251
This American Airlines deal was found by Cheapflights users on 9/2. 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 11/1112:43 pm -
1 stop6h 39m
Sat 11/146:00 am -
1 stop6h 06m
Deal found 9/2![American Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/86:16 pm -
Nonstop2h 14m
Sat 10/1010:05 pm -
Nonstop2h 06m
Deal found 9/2![American Airlines logo]()
$299
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:41 pm -
1 stop11h 43m
Mon 10/126:30 am -
1 stop5h 25m
Deal found 9/3![Frontier logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/226:16 pm -
Nonstop2h 14m
Sat 10/2410:00 am -
Nonstop2h 08m
Deal found 9/4![American Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 9/2. 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 12/25:40 pm -
1 stop5h 53m
Sun 12/65:00 am -
1 stop7h 06m
Deal found 9/2![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 10/25:00 am -
Nonstop2h 11m
Sat 10/38:15 am -
1 stop8h 51m
Deal found 9/3![American Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/296:05 am -
1 stop5h 56m
Tue 10/135:29 pm -
1 stop6h 42m
Deal found 9/5![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/25:42 pm -
1 stop6h 01m
Sun 10/45:43 am -
1 stop5h 23m
Deal found 9/2![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:00 am -
1 stop3h 30m
Sun 10/46:10 am -
1 stop6h 21m
Deal found 9/3![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/612:56 pm -
Nonstop2h 18m
Sat 10/109:53 am -
Nonstop2h 30m
Deal found 9/3![American Airlines logo]()
$325
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 September 7, 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 September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. 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 11/1112:43 pm -
1 stop4h 00m
Sat 11/147:26 am -
2 stops9h 44m
Deal found 9/2![American Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:15 pm -
1 stop5h 04m
Sat 9/267:13 pm -
1 stop3h 31m
Deal found 9/3![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/247:00 am -
1 stop5h 15m
Wed 10/285:00 am -
1 stop5h 55m
Deal found 9/2![United Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/296:05 am -
1 stop5h 56m
Tue 10/135:29 pm -
1 stop6h 42m
Deal found 9/5![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/312:22 pm -
1 stop4h 36m
Tue 10/135:29 pm -
1 stop6h 42m
Deal found 9/5![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/6. 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 9/264:27 pm -
1 stop5h 11m
Mon 9/288:25 pm -
1 stop3h 22m
Deal found 9/6![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/75:33 pm -
1 stop6h 26m
Sat 10/179:40 am -
1 stop8h 05m
Deal found 9/2![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/261:42 pm -
1 stop7h 39m
Sat 1/305:41 pm -
1 stop6h 15m
Deal found 9/3![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/5. 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 10/612:40 pm -
1 stop4h 07m
Sat 10/105:31 pm -
1 stop5h 54m
Deal found 9/5![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 9/7. 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 10/78:11 am -
1 stop3h 36m
Sat 10/105:31 pm -
1 stop5h 54m
Deal found 9/7![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/185:54 am -
Nonstop2h 06m
Sun 9/209:20 pm -
Nonstop2h 12m
Deal found 9/2![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/712:56 pm -
Nonstop2h 18m
Sat 10/109:53 am -
Nonstop2h 30m
Deal found 9/7![American Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:00 am -
1 stop3h 30m
Mon 9/285:50 pm -
1 stop5h 57m
Deal found 9/3![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:13 pm -
1 stop5h 32m
Sun 9/138:40 am -
Nonstop2h 15m
Deal found 9/3![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 9/185:00 am -
1 stop3h 40m
Tue 9/223:52 pm -
1 stop3h 39m
Deal found 9/2![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 9/6. 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 9/261:15 pm -
1 stop3h 44m
Tue 9/295:50 pm -
1 stop5h 57m
Deal found 9/6![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 1/303:15 pm -
1 stop5h 44m
Wed 2/39:13 am -
1 stop5h 01m
Deal found 9/2![United Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/25:42 pm -
1 stop5h 33m
Sun 10/45:28 pm -
1 stop5h 36m
Deal found 9/6![American Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 9/7. 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 10/75:00 am -
1 stop3h 53m
Sat 10/101:55 pm -
2 stops9h 30m
Deal found 9/7![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/269:00 am -
1 stop5h 55m
Mon 11/309:20 pm -
Nonstop2h 12m
Deal found 9/7![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 9/4. 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 9/195:00 am -
1 stop5h 34m
Sun 9/205:47 pm -
1 stop6h 00m
Deal found 9/4![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/4. 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 9/191:15 pm -
1 stop3h 32m
Wed 9/236:15 am -
1 stop6h 16m
Deal found 9/4![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/227:35 am -
Nonstop2h 10m
Fri 9/2510:00 pm -
1 stop14h 50m
Deal found 9/2![United Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:59 am -
1 stop5h 48m
Mon 9/215:47 pm -
1 stop6h 00m
Deal found 9/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 11/145:50 am -
2 stops13h 15m
Wed 11/1810:45 am -
2 stops12h 59m
Deal found 9/2![United Airlines logo]()
$565
This Delta deal was found by Cheapflights users on 9/7. 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 1/135:10 am -
2 stops7h 23m
Mon 1/185:35 pm -
1 stop5h 45m
Deal found 9/7![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/25:57 pm -
1 stop5h 47m
Sun 10/45:10 am -
1 stop7h 53m
Deal found 9/5![United Airlines logo]()
$637
This Delta deal was found by Cheapflights users on 9/7. 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 1/2110:45 am -
1 stop6h 05m
Tue 1/269:55 am -
1 stop4h 25m
Deal found 9/7![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 1/303:15 pm -
1 stop6h 16m
Wed 2/32:37 pm -
1 stop7h 38m
Deal found 9/2![United Airlines logo]()
$646
This Delta deal was found by Cheapflights users on 9/7. 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 10/78:11 am -
1 stop3h 36m
Tue 10/1310:12 am -
1 stop6h 39m
Deal found 9/7![Delta logo]()
$482
Last-minute flights from North Dakota to IllinoisDiscover last-minute flight deals from North Dakota to Illinois. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from North Dakota to Illinois. Data last updated September 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/2311:36 am -
1 stop8h 54m
Sat 9/268:59 pm -
Nonstop2h 05m
Deal found 9/3![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/296:05 am -
1 stop5h 56m
Tue 10/135:29 pm -
1 stop6h 42m
Deal found 9/5![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 10/25:00 am -
Nonstop2h 11m
Sat 10/38:15 am -
1 stop8h 51m
Deal found 9/3![American Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/25:42 pm -
1 stop6h 01m
Sun 10/45:43 am -
1 stop5h 23m
Deal found 9/2![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:00 am -
1 stop3h 30m
Sun 10/46:10 am -
1 stop6h 21m
Deal found 9/3![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/612:56 pm -
Nonstop2h 18m
Sat 10/109:53 am -
Nonstop2h 30m
Deal found 9/3![American Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 9/7. 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 10/612:35 pm -
1 stop4h 12m
Tue 10/135:31 pm -
1 stop5h 52m
Deal found 9/7![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:00 am -
1 stop3h 44m
Sat 10/105:31 pm -
1 stop5h 54m
Deal found 9/3![Delta logo]()
$345
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/86:16 pm -
Nonstop2h 14m
Sat 10/1010:05 pm -
Nonstop2h 06m
Deal found 9/2![American Airlines logo]()
$299
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:41 pm -
1 stop11h 43m
Mon 10/126:30 am -
1 stop5h 25m
Deal found 9/3![Frontier logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/226:16 pm -
Nonstop2h 14m
Sat 10/2410:00 am -
Nonstop2h 08m
Deal found 9/4![American Airlines logo]()
$306
This Frontier deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:41 pm -
1 stop11h 43m
Fri 10/306:30 am -
1 stop12h 34m
Deal found 9/6![Frontier logo]()
$250
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 September 7, 2026.
Search for one-way flight options from North Dakota to Illinois. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This CheapOair deal was found by Cheapflights users on 9/4. 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.
Fri 11/67:59 pm -
1 stop28h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 9/2. 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.
Mon 10/1212:41 pm -
1 stop11h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:59 pm -
1 stop28h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$140
This CheapOair deal was found by Cheapflights users on 9/4. 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 9/137:48 pm -
1 stop15h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 9/7. 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 10/912:41 pm -
1 stop11h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 12/67:59 pm -
1 stop25h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$184
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/106:16 pm -
Nonstop2h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:48 pm -
1 stop28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:48 pm -
1 stop28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/89:36 pm -
1 stop31h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 11/19:14 pm -
1 stop31h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/410:41 pm -
1 stop30h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$222
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (CheapOair) |
One-way from | $131 (CheapOair) |
Popular in | March |
Cheapest in | January |
Average price | $287 |
Good round-trip deal | $397 or less |
Good one-way deal | $268 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 7,457,451 searches. Data last updated September 7, 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
Quickest round-trip
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Fri 9/18
5:54 am-8:00 am
Nonstop2h 06m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$229
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Sat 2/27
7:00 am-9:37 pm
1 stop14h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$255
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Wed 12/2
5:42 pm-9:04 am
1 stop15h 22m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$255
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Tue 12/1
5:42 pm-9:04 am
1 stop15h 22m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$255
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Thu 11/5
6:20 pm-8:33 pm
Nonstop2h 13m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Fri 10/2
6:15 pm-8:24 pm
Nonstop2h 09m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Fri 12/4
5:00 am-7:14 am
Nonstop2h 14m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Tue 11/3
7:21 am-9:30 am
Nonstop2h 09m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Tue 12/1
7:15 am-9:29 am
Nonstop2h 14m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
FargoSt. Louis
FAR Fargo Hector Field - STL Lambert-St Louis
FARSTL
Fargo Hector Field
Thu 10/15
5:33 pm-11:42 pm
1 stop6h 09m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
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
BIS-MDW
FAR-STL
BIS-ORD
FAR-MDW
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
BIS-MDW
FAR-STL
BIS-ORD
What is the cheapest month to book a flight from North Dakota to Illinois?
Currently, January is the cheapest month in which you can book a flight from North Dakota to Illinois (average of $279). Flying from North Dakota to Illinois in March is currently the most expensive (average of $423). 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 September 7, 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 5% versus a flight in the evening.
How much does it cost to fly round-trip from North Dakota to Illinois?
Airfare is below average for this route at the moment.
North Dakota to Illinois flights typically cost between $299 and $391 in November.The cheapest round-trip price found within the last 5 days was $250 on Frontier (Nov 6-Nov 9).
How far ahead should I book a flight from North Dakota to Illinois?
Booking 56 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 September 5, 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 September 7, 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.
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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.
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Alternative routes for North Dakota to Illinois
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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 September 7, 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$384 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$263 | Average$370 | FlexibilityNo cancel fee | On-time71% |