$114+ Cheap flights from Bismarck (BIS) 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ORD
Jul 30 — Aug 61
Round-trip
1 adult, Economy
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Find cheap flights from Bismarck 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 Bismarck to IllinoisExplore the most affordable flight options available from Bismarck to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2026.
Explore the most affordable flight options available from Bismarck to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2026.
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 stop3h 49m
Delta
Sat 10/109:55 am
MDW
- BIS
1 stop4h 30m
Delta
Deal found 6/27![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 6/27![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 11/35:00 am
BIS
- MDW
2 stops7h 33m
Delta
Sat 11/79:30 am
MDW
- BIS
2 stops7h 24m
Delta
Deal found 6/27![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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
- ORD
2 stops9h 02m
Delta
Sat 11/77:05 am
ORD
- BIS
2 stops9h 49m
Delta
Deal found 6/27![Delta logo]()
$237
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 6/25![American Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 11/32:28 pm
BIS
- ORD
1 stop6h 18m
American Airlines
Sat 11/79:40 am
ORD
- BIS
Nonstop2h 45m
American Airlines
Deal found 6/25![American Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/3011:20 am
BIS
- STL
1 stop3h 53m
Delta
Mon 8/35:34 pm
STL
- BIS
1 stop5h 38m
Delta
Deal found 6/26![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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
- MDW
1 stop4h 20m
Delta
Mon 10/129:55 am
MDW
- BIS
1 stop6h 59m
Delta
Deal found 6/27![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 6/26![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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
- ORD
2 stops7h 37m
Delta
Mon 10/126:00 am
ORD
- BIS
1 stop5h 54m
Delta
Deal found 6/27![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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
BIS
- ORD
2 stops9h 13m
Delta
Tue 10/131:35 pm
ORD
- BIS
2 stops9h 46m
Delta
Deal found 6/25![Delta logo]()
$325
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 8/2712:58 pm
BIS
- ORD
Nonstop2h 25m
American Airlines
Sat 8/2910:05 am
ORD
- BIS
Nonstop2h 26m
American Airlines
Deal found 6/29![American Airlines logo]()
$337
Best flights from Bismarck to IllinoisDiscover carefully curated flight deals from Bismarck to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2026.
Discover carefully curated flight deals from Bismarck to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2026.
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 6/27![Delta logo]()
$227
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 8/2712:58 pm
BIS
- ORD
Nonstop2h 25m
American Airlines
Sat 8/2910:05 am
ORD
- BIS
Nonstop2h 26m
American Airlines
Deal found 6/29![American Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/259:00 am
BIS
- STL
1 stop7h 34m
United Airlines
Sat 8/291:36 pm
STL
- BIS
1 stop6h 57m
United Airlines
Deal found 6/29![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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
2 stops7h 33m
Delta
Sat 10/109:55 am
MDW
- BIS
1 stop4h 30m
Delta
Deal found 6/27![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 12/25:30 pm
BIS
- STL
1 stop5h 48m
Delta
Sun 12/66:30 am
STL
- BIS
1 stop5h 24m
Delta
Deal found 6/26![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 6/26![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 10/75:00 am
BIS
- MDW
1 stop3h 47m
Delta
Tue 10/139:59 am
MDW
- BIS
1 stop4h 39m
Delta
Deal found 6/30![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/77:31 am
BIS
- MDW
1 stop4h 20m
Delta
Sat 10/109:55 am
MDW
- BIS
1 stop4h 30m
Delta
Deal found 6/25![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/101:55 pm
BIS
- STL
1 stop5h 58m
American Airlines
Tue 7/145:13 pm
STL
- BIS
1 stop5h 46m
American Airlines
Deal found 6/25![American Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 6/25![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:00 am
BIS
- ORD
2 stops9h 27m
Delta
Sat 11/712:33 pm
ORD
- BIS
1 stop6h 58m
Delta
Deal found 6/28![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/318:00 am
BIS
- STL
1 stop26h 28m
Delta
Mon 8/35:34 pm
STL
- BIS
1 stop5h 38m
Delta
Deal found 6/26![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:25 pm
BIS
- STL
1 stop5h 32m
United Airlines
Fri 7/171:38 pm
STL
- BIS
1 stop6h 50m
United Airlines
Deal found 6/28![United Airlines logo]()
$727
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 10/65:00 am
BIS
- MDW
2 stops7h 48m
Delta
Mon 10/129:59 am
MDW
- BIS
1 stop6h 45m
Delta
Deal found 6/30![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 6/29. 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.
Tue 10/65:00 am
BIS
- ORD
2 stops8h 01m
Delta
Mon 10/126:30 am
ORD
- BIS
1 stop5h 30m
Delta
Deal found 6/29![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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
BIS
- ORD
2 stops7h 37m
Delta
Tue 10/131:35 pm
ORD
- BIS
2 stops9h 46m
Delta
Deal found 6/26![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/15:40 pm
BIS
- ORD
1 stop4h 12m
Delta
Wed 8/56:00 am
ORD
- BIS
1 stop4h 30m
Delta
Deal found 6/27![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:40 pm
BIS
- ORD
1 stop4h 00m
Delta
Sat 10/106:30 am
ORD
- BIS
1 stop5h 30m
Delta
Deal found 6/28![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/1411:10 am
BIS
- MDW
1 stop6h 51m
Delta
Tue 8/181:51 pm
MDW
- BIS
1 stop5h 55m
Delta
Deal found 6/26![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 6/29. 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 8/271:27 pm
BIS
- MDW
1 stop4h 34m
Delta
Sat 8/299:59 am
MDW
- BIS
1 stop6h 57m
Delta
Deal found 6/29![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/298:00 am
BIS
- STL
1 stop15h 22m
Delta
Mon 8/35:34 pm
STL
- BIS
1 stop5h 38m
Delta
Deal found 6/26![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/315:00 am
BIS
- STL
1 stop3h 46m
Delta
Sun 8/26:21 am
STL
- BIS
1 stop4h 19m
Delta
Deal found 6/26![Delta logo]()
$513
Last-minute flights from Bismarck to IllinoisDiscover last-minute flight deals from Bismarck to Illinois. Data last updated June 30, 2026 and is based on user searches.
Discover last-minute flight deals from Bismarck to Illinois. Data last updated June 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:16 am
BIS
- MDW
1 stop7h 02m
Delta
Wed 7/81:49 pm
MDW
- BIS
1 stop5h 57m
Delta
Deal found 6/28![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:00 pm
BIS
- ORD
1 stop7h 00m
American Airlines
Wed 7/83:49 pm
ORD
- BIS
1 stop7h 10m
American Airlines
Deal found 6/28![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:00 am
BIS
- ORD
2 stops8h 00m
Delta
Wed 7/88:27 am
ORD
- BIS
1 stop4h 20m
Delta
Deal found 6/28![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 6/29. 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.
Fri 7/31:26 pm
BIS
- MDW
1 stop4h 52m
Delta
Wed 7/81:49 pm
MDW
- BIS
1 stop5h 57m
Delta
Deal found 6/29![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 6/29. 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.
Fri 7/35:42 pm
BIS
- ORD
1 stop3h 43m
Delta
Wed 7/85:54 pm
ORD
- BIS
1 stop5h 17m
Delta
Deal found 6/29![Delta logo]()
$437
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/181:16 pm
BIS
- ORD
Nonstop2h 24m
American Airlines
Wed 7/229:45 am
ORD
- BIS
Nonstop2h 31m
American Airlines
Deal found 6/25![American Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/298:00 am
BIS
- STL
1 stop15h 22m
Delta
Mon 8/35:34 pm
STL
- BIS
1 stop5h 38m
Delta
Deal found 6/26![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/3011:20 am
BIS
- STL
1 stop3h 53m
Delta
Mon 8/35:34 pm
STL
- BIS
1 stop5h 38m
Delta
Deal found 6/26![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:46 pm
BIS
- ORD
Nonstop2h 24m
American Airlines
Sun 8/210:00 am
ORD
- BIS
Nonstop2h 31m
American Airlines
Deal found 6/28![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/3011:20 am
BIS
- STL
1 stop3h 53m
Delta
Sat 8/15:36 pm
STL
- BIS
1 stop26h 10m
Delta
Deal found 6/26![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/318:00 am
BIS
- STL
1 stop26h 28m
Delta
Mon 8/35:34 pm
STL
- BIS
1 stop5h 38m
Delta
Deal found 6/26![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 6/29. 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 7/3112:46 pm
BIS
- ORD
Nonstop2h 24m
American Airlines
Mon 8/310:00 am
ORD
- BIS
Nonstop2h 31m
American Airlines
Deal found 6/29![American Airlines logo]()
$422
One-way flights from Bismarck to IllinoisSearch for one-way flight options from Bismarck to Illinois. Find affordable one-way fares based on user searches. Data last updated June 30, 2026.
Search for one-way flight options from Bismarck to Illinois. Find affordable one-way fares based on user searches. Data last updated June 30, 2026.
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/221:17 pm
BIS
- ORD
1 stop4h 24m
Delta
Deal found 6/27![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/255:00 am
BIS
- ORD
2 stops8h 08m
Delta
Deal found 6/27![Delta logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/232:38 pm
BIS
- ORD
1 stop28h 24m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/202:38 pm
BIS
- ORD
1 stop28h 24m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:30 pm
BIS
- ORD
1 stop16h 12m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/272:38 pm
BIS
- ORD
1 stop28h 24m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$220
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/125:40 pm
BIS
- STL
1 stop5h 36m
Delta
Deal found 6/25![Delta logo]()
$269
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/127:12 am
BIS
- STL
2 stops9h 36m
American Airlines
Deal found 6/25![American Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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.
Sun 7/59:16 am
BIS
- STL
1 stop7h 17m
United Airlines
Deal found 6/27![United Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/512:06 pm
BIS
- STL
2 stops35h 53m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:27 pm
BIS
- MDW
1 stop4h 51m
Delta
Deal found 6/28![Delta logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:06 pm
BIS
- MDW
3 stops33h 57m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$499
Find flight deals from Bismarck to Illinois
Keep the following information in mind while searching for Bismarck to Illinois flight deals. Data was last updated June 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Delta) |
One-way from | $114 (Delta) |
Popular in | December |
Cheapest in | November |
Average price | $404 |
Good round-trip deal | $398 or less |
Good one-way deal | $331 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Bismarck 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 30, 2026.
Use the filters below to find and compare flights from Bismarck to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BismarckChicago
BIS - MDW
BISMDW
Bismarck
Tue 11/3
7:31 am-11:51 am
1 stop4h 20m
Chicago Midway
Sat 11/7
9:55 am-4:54 pm
1 stop6h 59m
$227
BismarckChicago
BIS - MDW
BISMDW
Bismarck
Tue 10/6
5:00 am-12:33 pm
2 stops7h 33m
Chicago Midway
Sat 10/10
9:55 am-2:25 pm
1 stop4h 30m
$232
BismarckSt. Louis
BIS - STL
BISSTL
Bismarck
Wed 12/2
5:30 pm-11:18 pm
1 stop5h 48m
Lambert-St Louis
Sun 12/6
6:30 am-11:54 am
1 stop5h 24m
$309
BismarckChicago
BIS - ORD
BISORD
Bismarck
Thu 8/27
5:36 pm-9:47 pm
1 stop4h 11m
Chicago O'Hare Intl
Sat 8/29
8:28 am-12:37 pm
1 stop4h 09m
$313
BismarckChicago
BIS - MDW
BISMDW
Bismarck
Wed 10/7
5:00 am-8:47 am
1 stop3h 47m
Chicago Midway
Tue 10/13
9:59 am-2:38 pm
1 stop4h 39m
$315
BismarckChicago
BIS - MDW
BISMDW
Bismarck
Wed 10/7
7:31 am-11:51 am
1 stop4h 20m
Chicago Midway
Sat 10/10
9:55 am-2:25 pm
1 stop4h 30m
$315
BismarckChicago
BIS - ORD
BISORD
Bismarck
Tue 10/6
7:31 am-11:42 am
1 stop4h 11m
Chicago O'Hare Intl
Sat 10/10
9:30 am-2:25 pm
1 stop4h 55m
$315
BismarckChicago
BIS - ORD
BISORD
Bismarck
Tue 11/3
5:00 am-2:27 pm
2 stops9h 27m
Chicago O'Hare Intl
Sat 11/7
12:33 pm-7:31 pm
1 stop6h 58m
$320
Quickest round-trip
BismarckChicago
BIS - ORD
BISORD
Bismarck
Thu 8/27
12:58 pm-3:23 pm
Nonstop2h 25m
Chicago O'Hare Intl
Sat 8/29
10:05 am-12:31 pm
Nonstop2h 26m
$337
BismarckSt. Louis
BIS - STL
BISSTL
Bismarck
Fri 7/31
8:00 am-10:28 am
1 stop26h 28m
Lambert-St Louis
Mon 8/3
5:34 pm-11:12 pm
1 stop5h 38m
$357
Showing 1-10 of 36 resultsSorted by cheapest first
Best time to book a flight from Bismarck to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Bismarck with our price prediction graph.
BIS-STL
BIS-ORD
BIS-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 Bismarck to Illinois
BIS-USIL
BIS-STL
BIS-ORD
BIS-MDW
What is the cheapest month to book a flight from Bismarck to Illinois?
Currently, November is the cheapest month in which you can book a flight from Bismarck to Illinois (average of $199). Flying from Bismarck to Illinois in June is currently the most expensive (average of $404). 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 BIS to IL?
Find hourly flight availability from Bismarck 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 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bismarck to Illinois as you normally would.
How much does it cost to fly round-trip from Bismarck to Illinois?
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated June 30, 2026.
Peruse reviews from past customers who have flown with American Airlines from Bismarck to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Comfort
7.2
Food
6.4
Entertainment
6.8
Overall
7.1
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Boarding
7.5
Comfort
7.2
Food
6.4
Entertainment
6.8
Overall
7.1
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Related info for your journey
Find useful and relevant information for your journey from Bismarck 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 Bismarck to Illinois
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Complete your trip
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Bismarck and Illinois flights
Browse other Bismarck and Illinois flight options. Last updated on June 30, 2026.
Popular flight searches
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Bismarck to Illinois flights
Consider these flights traveling from Bismarck to Illinois.
Top airline flying from Bismarck to Illinois
Discover the top airline that operate flights from Bismarck 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$259 | Average$338 | FlexibilityNo cancel fee | On-time71% |