$141+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
FAR — ORD
Nov 22 — Nov 291
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 October 23, 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 October 23, 2026.
This Frontier deal was found by Cheapflights users on 10/20. 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.
Thu 12/37:33 pm -
1 stop5h 20m
Thu 12/107:25 am -
1 stop11h 23m
Deal found 10/20![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/2210:10 pm -
1 stop31h 00m
Tue 12/16:21 am -
1 stop31h 23m
Deal found 10/22![Multiple Airlines logo]()
$268
This CheapOair deal was found by Cheapflights users on 10/21. 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.
Fri 11/137:59 pm -
1 stop28h 22m
Mon 11/166:30 am -
1 stop12h 34m
Deal found 10/21![Frontier logo]()
$270
This Trip.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:33 pm -
1 stop5h 20m
Sun 12/67:25 am -
1 stop11h 23m
Deal found 10/18![Frontier logo]()
$277
This Trip.com deal was found by Cheapflights users on 10/19. 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 Trip.com 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 10/19![Frontier logo]()
$297
This Trip.com deal was found by Cheapflights users on 10/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:59 pm -
1 stop28h 27m
Sun 12/207:45 am -
1 stop11h 19m
Deal found 10/19![Frontier logo]()
$298
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/206:22 pm -
Nonstop2h 17m
Mon 11/2310:30 pm -
Nonstop2h 03m
Deal found 10/22![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:20 pm -
Nonstop2h 13m
Sun 11/1510:05 pm -
Nonstop2h 02m
Deal found 10/21![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:44 pm -
Nonstop2h 06m
Sat 12/510:30 am -
Nonstop2h 15m
Deal found 10/18![American Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:20 pm -
Nonstop2h 13m
Sun 11/155:00 am -
1 stop6h 14m
Deal found 10/21![American Airlines logo]()
$349
This Frontier deal was found by Cheapflights users on 10/19. 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 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
Mon 11/26:30 am -
1 stop12h 34m
Deal found 10/19![Frontier logo]()
$355
This Delta deal was found by Cheapflights users on 10/21. 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.
Mon 11/305:00 am -
1 stop3h 50m
Mon 12/710:24 am -
1 stop6h 23m
Deal found 10/21![Delta logo]()
$359
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 October 23, 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 October 23, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 2/196:30 pm -
1 stop4h 44m
Sun 2/217:00 pm -
1 stop4h 47m
Deal found 10/21![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 10/18. 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.
Fri 4/212:30 pm -
1 stop4h 19m
Sun 4/115:20 pm -
1 stop5h 37m
Deal found 10/18![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:22 pm -
Nonstop2h 18m
Tue 11/2410:00 am -
Nonstop2h 49m
Deal found 10/20![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 10/18. 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.
Sun 11/225:50 pm -
1 stop3h 43m
Fri 11/276:23 am -
1 stop3h 47m
Deal found 10/18![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/20. 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.
Tue 11/245:00 am -
1 stop3h 50m
Sat 11/285:29 pm -
1 stop6h 01m
Deal found 10/20![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/20. 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.
Tue 1/512:30 pm -
1 stop4h 20m
Wed 3/39:55 am -
1 stop4h 11m
Deal found 10/20![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:44 am -
Nonstop2h 31m
Sat 1/94:00 pm -
Nonstop2h 26m
Deal found 10/20![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/18. 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.
Mon 1/1810:55 am -
1 stop5h 55m
Wed 1/279:55 am -
1 stop4h 11m
Deal found 10/18![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/68:30 am -
Nonstop2h 31m
Thu 3/48:50 am -
Nonstop2h 12m
Deal found 10/20![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/19. 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 12/75:25 pm -
1 stop4h 10m
Sat 12/123:47 pm -
1 stop4h 31m
Deal found 10/19![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:40 am -
Nonstop2h 19m
Tue 11/108:40 am -
Nonstop2h 15m
Deal found 10/20![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/186:41 pm -
1 stop5h 27m
Sun 2/217:00 am -
2 stops11h 12m
Deal found 10/21![American Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/125:00 am -
1 stop6h 52m
Wed 12/163:47 pm -
1 stop3h 47m
Deal found 10/22![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:40 am -
Nonstop2h 19m
Sat 11/71:30 pm -
Nonstop2h 15m
Deal found 10/20![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 10/19. 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 11/711:01 am -
1 stop5h 40m
Mon 11/95:42 pm -
1 stop5h 48m
Deal found 10/19![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 12/18:26 am -
Nonstop2h 09m
Sat 12/512:59 pm -
1 stop7h 46m
Deal found 10/18![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/135:00 am -
1 stop4h 04m
Sun 11/155:42 pm -
1 stop5h 48m
Deal found 10/22![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/125:00 am -
1 stop6h 59m
Wed 12/165:30 pm -
1 stop6h 04m
Deal found 10/22![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/20. 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 11/218:03 am -
1 stop3h 45m
Tue 12/15:33 pm -
1 stop6h 03m
Deal found 10/20![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/66:26 pm -
1 stop5h 33m
Tue 11/107:59 pm -
2 stops14h 43m
Deal found 10/21![United Airlines logo]()
$618
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/115:00 am -
1 stop6h 50m
Mon 11/1612:30 pm -
1 stop7h 25m
Deal found 10/22![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 2/206:30 pm -
1 stop4h 44m
Sun 2/217:00 pm -
3 stops25h 20m
Deal found 10/21![United Airlines logo]()
$628
This Delta deal was found by Cheapflights users on 10/20. 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.
Fri 11/208:03 am -
1 stop3h 45m
Tue 11/249:59 am -
1 stop6h 42m
Deal found 10/20![Delta logo]()
$427
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 18m
Wed 2/38:40 am -
1 stop6h 00m
Deal found 10/22![United Airlines logo]()
$666
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/45:00 am -
1 stop3h 55m
Mon 12/75:30 pm -
1 stop6h 04m
Deal found 10/22![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/69:00 am -
1 stop12h 12m
Tue 11/105:00 am -
1 stop5h 55m
Deal found 10/22![United Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 10/19. 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 1/3010:55 am -
1 stop5h 55m
Mon 2/19:55 am -
1 stop4h 11m
Deal found 10/19![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:28 pm -
1 stop5h 31m
Mon 11/169:00 pm -
1 stop16h 05m
Deal found 10/20![United Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 12/125:00 am -
2 stops8h 56m
Tue 12/1512:34 pm -
1 stop7h 12m
Deal found 10/21![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/45:45 am -
1 stop4h 20m
Sun 11/86:30 am -
1 stop4h 25m
Deal found 10/19![United Airlines logo]()
$717
Last-minute flights from North Dakota to IllinoisDiscover last-minute flight deals from North Dakota to Illinois. Data last updated October 23, 2026 and is based on user searches.
Discover last-minute flight deals from North Dakota to Illinois. Data last updated October 23, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 10/19. 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 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
Mon 11/26:30 am -
1 stop12h 34m
Deal found 10/19![Frontier logo]()
$355
This American Airlines deal was found by Cheapflights users on 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:20 pm -
Nonstop2h 13m
Wed 11/113:00 pm -
1 stop6h 37m
Deal found 10/19![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 10/19. 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.
Wed 11/45:00 am -
1 stop3h 44m
Wed 11/115:29 pm -
1 stop6h 01m
Deal found 10/19![Delta logo]()
$379
This Trip.com deal was found by Cheapflights users on 10/19. 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 Trip.com 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 10/19![Frontier logo]()
$297
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:20 pm -
Nonstop2h 13m
Sun 11/1510:05 pm -
Nonstop2h 02m
Deal found 10/21![American Airlines logo]()
$340
This CheapOair deal was found by Cheapflights users on 10/21. 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.
Fri 11/137:59 pm -
1 stop28h 22m
Mon 11/166:30 am -
1 stop12h 34m
Deal found 10/21![Frontier logo]()
$270
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:20 pm -
Nonstop2h 13m
Sun 11/155:00 am -
1 stop6h 14m
Deal found 10/21![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/206:22 pm -
Nonstop2h 17m
Mon 11/2310:30 pm -
Nonstop2h 03m
Deal found 10/22![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:22 pm -
Nonstop2h 18m
Wed 12/26:00 am -
1 stop7h 36m
Deal found 10/19![American Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/2210:10 pm -
1 stop31h 00m
Tue 12/16:21 am -
1 stop31h 23m
Deal found 10/22![Multiple Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/256:22 pm -
Nonstop2h 17m
Sat 11/2810:40 pm -
Nonstop2h 03m
Deal found 10/22![American Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 10/21. 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.
Mon 11/305:00 am -
1 stop3h 50m
Mon 12/710:24 am -
1 stop6h 23m
Deal found 10/21![Delta logo]()
$359
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 October 23, 2026.
Search for one-way flight options from North Dakota to Illinois. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
This CheapOair deal was found by Cheapflights users on 10/21. 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.
Fri 11/137:59 pm -
1 stop28h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 10/20. 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.
Thu 12/247:59 pm -
1 stop25h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:59 pm -
1 stop28h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Mon 12/1412:57 pm -
2 stops35h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$180
This Trip.com deal was found by Cheapflights users on 10/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/117:59 pm -
1 stop28h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$188
This Jetabroad deal was found by Cheapflights users on 10/18. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/247:59 pm -
1 stop28h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$196
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:51 pm -
Nonstop2h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:48 pm -
2 stops25h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$208
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 2/158:14 am -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 12/55:00 am -
1 stop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/245:48 pm -
2 stops37h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 10/18. 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.
Sun 1/2410:55 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$243
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 October 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Frontier) |
One-way from | $141 (CheapOair) |
Popular in | October |
Cheapest in | January |
Average price | $466 |
Good round-trip deal | $412 or less |
Good one-way deal | $347 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 October 23, 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
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Fri 11/13
7:59 pm-12:21 am
1 stop28h 22m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$141
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Mon 12/14
12:57 pm-5:01 am
1 stop16h 04m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$150
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Mon 2/15
8:14 am-10:29 am
Nonstop2h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$209
FargoChicago
FAR Fargo Hector Field - MDW Chicago Midway
FARMDW
Fargo Hector Field
Sat 12/5
5:00 am-8:55 am
1 stop3h 55m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$213
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Sun 1/24
11:21 am-11:40 am
2 stops24h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$225
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Sun 12/27
7:10 am-9:39 am
Nonstop2h 29m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
Quickest round-trip
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Thu 2/11
1:08 pm-3:16 pm
Nonstop2h 08m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Mon 12/14
7:15 am-9:29 am
Nonstop2h 14m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
FargoChicago
FAR Fargo Hector Field - ORD Chicago O'Hare Intl
FARORD
Fargo Hector Field
Sun 1/24
6:15 am-2:12 pm
1 stop7h 57m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$243
FargoChicago
FAR Fargo Hector Field - MDW Chicago Midway
FARMDW
Fargo Hector Field
Tue 11/24
7:59 pm-7:47 pm
2 stops23h 48m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$250
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-MLI
FAR-ORD
BIS-ORD
FAR-MDW
MOT-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-MLI
FAR-ORD
BIS-ORD
FAR-MDW
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 $282). 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 October 23, 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 at noon.
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 October 23, 2026.
The most flights from USND to USIL are scheduled on a Wednesday (23 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
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 $302 and $521 in December.The cheapest round-trip price found within the last 5 days was $260 on Frontier (Dec 3-Dec 10).
How far ahead should I book a flight from North Dakota to Illinois?
Booking 57 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 October 17, 2026.
Travelers seeking maximum savings on their North Dakota to Illinois flight should consider departing on Tuesday 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.
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 October 23, 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.
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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
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 October 23, 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 October 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$267 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$414 | FlexibilityNo cancel fee | On-time71% |