$89+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ORD
Mar 7 — Mar 141
1 adult, Economy
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Find cheap flights from Bismarck to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Bismarck to Illinois
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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 February 5, 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 February 5, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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.
Tue 11/31:10 pm
BIS
- ORD
1 stop6h 34m
Delta
Sat 11/76:00 am
ORD
- BIS
1 stop6h 45m
Delta
Deal found 2/4![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 3/710:20 am
BIS
- MDW
1 stop5h 54m
Delta
Wed 3/112:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Deal found 2/3![Delta logo]()
$255
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 4/1312:59 pm
BIS
- STL
1 stop6h 34m
American Airlines
Sat 4/185:20 am
STL
- BIS
1 stop8h 36m
American Airlines
Deal found 2/4![American Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 2/3. 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 11/311:30 am
BIS
- MDW
1 stop6h 40m
Delta
Sat 11/72:00 pm
MDW
- BIS
1 stop5h 57m
Delta
Deal found 2/3![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Thu 4/26:15 am
ORD
- BIS
1 stop6h 30m
Delta
Deal found 2/1![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/4. 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.
Thu 8/271:10 pm
BIS
- ORD
1 stop6h 33m
Delta
Sat 8/293:50 pm
ORD
- BIS
1 stop4h 03m
Delta
Deal found 2/4![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:55 pm
BIS
- ORD
Nonstop2h 32m
American Airlines
Sat 11/79:40 am
ORD
- BIS
Nonstop2h 45m
American Airlines
Deal found 2/2![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:00 am
BIS
- STL
1 stop5h 48m
Delta
Wed 3/185:25 pm
STL
- BIS
1 stop6h 02m
Delta
Deal found 2/2![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 7/212:51 pm
BIS
- ORD
Nonstop2h 24m
American Airlines
Tue 7/79:50 am
ORD
- BIS
Nonstop2h 31m
American Airlines
Deal found 2/3![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 2/2. 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 5/1412:59 pm
BIS
- ORD
Nonstop2h 24m
American Airlines
Tue 5/199:55 am
ORD
- BIS
Nonstop2h 34m
American Airlines
Deal found 2/2![American Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:31 am
BIS
- MDW
1 stop5h 36m
Delta
Sat 8/296:45 pm
MDW
- BIS
1 stop4h 29m
Delta
Deal found 2/2![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 2/3. 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 2/171:30 pm
BIS
- MDW
1 stop5h 10m
Delta
Sat 2/215:00 pm
MDW
- BIS
1 stop6h 22m
Delta
Deal found 2/3![Delta logo]()
$329
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 February 5, 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 February 5, 2026.
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 3/710:20 am
BIS
- MDW
1 stop5h 54m
Delta
Wed 3/112:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Deal found 2/3![Delta logo]()
$255
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 4/1312:59 pm
BIS
- STL
1 stop6h 34m
American Airlines
Sat 4/185:20 am
STL
- BIS
1 stop8h 36m
American Airlines
Deal found 2/4![American Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:44 pm
BIS
- STL
1 stop6h 57m
United Airlines
Mon 3/232:50 pm
STL
- BIS
1 stop7h 15m
United Airlines
Deal found 2/4![United Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 3/181:36 pm
BIS
- STL
1 stop17h 41m
Multiple Airlines
Mon 3/238:12 pm
STL
- BIS
2 stops48h 50m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Wed 4/17:00 pm
ORD
- BIS
1 stop4h 27m
Delta
Deal found 2/1![Delta logo]()
$255
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 3/75:26 pm
BIS
- ORD
1 stop4h 04m
Delta
Wed 3/113:59 pm
ORD
- BIS
1 stop4h 20m
Delta
Deal found 2/3![Delta logo]()
$255
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 7/212:51 pm
BIS
- ORD
Nonstop2h 24m
American Airlines
Tue 7/79:50 am
ORD
- BIS
Nonstop2h 31m
American Airlines
Deal found 2/3![American Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 3/281:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Mon 3/308:55 am
ORD
- BIS
1 stop7h 11m
Delta
Deal found 2/3![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Thu 4/26:15 am
ORD
- BIS
1 stop6h 30m
Delta
Deal found 2/1![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:00 am
BIS
- STL
1 stop5h 48m
Delta
Wed 3/185:25 pm
STL
- BIS
1 stop6h 02m
Delta
Deal found 2/2![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 2/4. 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.
Wed 3/187:40 am
BIS
- STL
1 stop6h 44m
Delta
Sun 3/226:29 am
STL
- BIS
1 stop4h 04m
Delta
Deal found 2/4![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/145:30 am
BIS
- STL
2 stops15h 35m
United Airlines
Wed 3/185:15 am
STL
- BIS
1 stop7h 48m
United Airlines
Deal found 2/2![United Airlines logo]()
$543
This American Airlines deal was found by Cheapflights users on 2/3. 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 5/122:26 pm
BIS
- STL
2 stops9h 30m
American Airlines
Wed 5/137:05 am
STL
- BIS
1 stop5h 24m
American Airlines
Deal found 2/3![American Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Wed 4/17:20 pm
MDW
- BIS
1 stop4h 07m
Delta
Deal found 2/1![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:30 pm
BIS
- MDW
1 stop5h 10m
Delta
Sat 2/215:00 pm
MDW
- BIS
1 stop6h 22m
Delta
Deal found 2/2![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:00 am
BIS
- STL
2 stops13h 07m
United Airlines
Sun 3/225:15 am
STL
- BIS
1 stop7h 48m
United Airlines
Deal found 2/4![United Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 2/3. 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.
Thu 7/25:00 am
BIS
- ORD
1 stop3h 34m
Delta
Tue 7/76:00 am
ORD
- BIS
1 stop4h 48m
Delta
Deal found 2/3![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 2/4. 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.
Fri 7/171:10 pm
BIS
- ORD
1 stop6h 33m
Delta
Sun 7/196:00 am
ORD
- BIS
1 stop4h 48m
Delta
Deal found 2/4![Delta logo]()
$341
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:10 pm
BIS
- ORD
1 stop6h 33m
Delta
Sun 8/96:00 am
ORD
- BIS
1 stop4h 48m
Delta
Deal found 2/2![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Thu 4/29:30 am
MDW
- BIS
1 stop6h 36m
Delta
Deal found 2/1![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:13 am
BIS
- ORD
1 stop6h 49m
Delta
Mon 4/136:25 am
ORD
- BIS
1 stop6h 13m
Delta
Deal found 2/2![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 2/3. 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 2/1811:18 am
BIS
- ORD
1 stop6h 43m
Delta
Sun 2/226:15 am
ORD
- BIS
1 stop4h 20m
Delta
Deal found 2/3![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 2/3. 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 2/187:25 am
BIS
- MDW
2 stops10h 12m
Delta
Sun 2/227:20 pm
MDW
- BIS
1 stop4h 02m
Delta
Deal found 2/3![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:00 am
BIS
- STL
1 stop5h 43m
Delta
Sat 2/216:10 am
STL
- BIS
1 stop6h 35m
Delta
Deal found 2/2![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 2/3. 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.
Thu 7/27:31 am
BIS
- MDW
1 stop5h 36m
Delta
Tue 7/72:00 pm
MDW
- BIS
1 stop5h 53m
Delta
Deal found 2/3![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 8/11:10 pm
BIS
- MDW
1 stop4h 55m
Delta
Wed 8/51:00 pm
MDW
- BIS
2 stops10h 14m
Delta
Deal found 2/3![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 2/2. 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 3/65:26 pm
BIS
- STL
1 stop5h 57m
Delta
Sat 3/145:29 pm
STL
- BIS
1 stop5h 52m
Delta
Deal found 2/2![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:40 am
BIS
- MDW
1 stop5h 45m
Delta
Mon 4/132:12 pm
MDW
- BIS
1 stop5h 23m
Delta
Deal found 2/2![Delta logo]()
$479
Last-minute flights from Bismarck to IllinoisDiscover last-minute flight deals from Bismarck to Illinois. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Bismarck to Illinois. Data last updated February 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/3. 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 2/171:30 pm
BIS
- MDW
1 stop5h 10m
Delta
Sat 2/215:00 pm
MDW
- BIS
1 stop6h 22m
Delta
Deal found 2/3![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 2/3. 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 2/175:26 pm
BIS
- ORD
1 stop4h 04m
Delta
Sat 2/212:05 pm
ORD
- BIS
2 stops9h 17m
Delta
Deal found 2/3![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:00 am
BIS
- STL
1 stop5h 43m
Delta
Sat 2/216:10 am
STL
- BIS
1 stop6h 35m
Delta
Deal found 2/2![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 2/3. 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 2/1811:18 am
BIS
- ORD
1 stop6h 43m
Delta
Sun 2/226:15 am
ORD
- BIS
1 stop4h 20m
Delta
Deal found 2/3![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 2/4. 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.
Wed 2/187:25 am
BIS
- MDW
2 stops10h 12m
Delta
Sun 2/227:20 pm
MDW
- BIS
1 stop4h 02m
Delta
Deal found 2/4![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 3/710:20 am
BIS
- MDW
1 stop5h 54m
Delta
Wed 3/112:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Deal found 2/3![Delta logo]()
$255
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 3/75:26 pm
BIS
- ORD
1 stop4h 04m
Delta
Wed 3/113:59 pm
ORD
- BIS
1 stop4h 20m
Delta
Deal found 2/3![Delta logo]()
$255
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:00 am
BIS
- STL
1 stop5h 48m
Delta
Wed 3/185:25 pm
STL
- BIS
1 stop6h 02m
Delta
Deal found 2/2![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:44 pm
BIS
- STL
1 stop6h 57m
United Airlines
Mon 3/232:50 pm
STL
- BIS
1 stop7h 15m
United Airlines
Deal found 2/4![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 3/281:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Mon 3/308:55 am
ORD
- BIS
1 stop7h 11m
Delta
Deal found 2/3![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Wed 4/17:20 pm
MDW
- BIS
1 stop4h 07m
Delta
Deal found 2/1![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Thu 4/29:30 am
MDW
- BIS
1 stop6h 36m
Delta
Deal found 2/1![Delta logo]()
$359
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 February 5, 2026.
Search for one-way flight options from Bismarck to Illinois. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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.
Sun 3/15:26 pm
BIS
- ORD
1 stop4h 04m
Delta
Deal found 2/4![Delta logo]()
$89
This Delta deal was found by Cheapflights users on 2/4. 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.
Mon 3/211:18 am
BIS
- ORD
2 stops9h 26m
Delta
Deal found 2/4![Delta logo]()
$94
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 2/286:10 am
BIS
- ORD
1 stop4h 15m
Delta
Deal found 2/3![Delta logo]()
$98
This Delta deal was found by Cheapflights users on 2/3. 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 3/311:18 am
BIS
- ORD
2 stops9h 26m
Delta
Deal found 2/3![Delta logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 5/311:36 am
BIS
- ORD
1 stop19h 11m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/2911:34 am
BIS
- ORD
2 stops37h 23m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/511:41 am
BIS
- ORD
2 stops37h 02m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/610:00 am
BIS
- STL
1 stop5h 19m
Delta
Deal found 2/1![Delta logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 4/51:40 pm
BIS
- MDW
2 stops32h 39m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 2/1911:51 am
BIS
- STL
2 stops32h 16m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 2/2211:51 am
BIS
- STL
2 stops32h 11m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:30 am
BIS
- STL
2 stops11h 41m
United Airlines
Deal found 2/1![United Airlines logo]()
$314
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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Delta) |
One-way from | $89 (Delta) |
Popular in | December |
Cheapest in | February |
Average price | $248 |
Good round-trip deal | $386 or less |
Good one-way deal | $213 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 February 5, 2026.
Use the filters below to find and compare flights from Bismarck to Illinois that are best for you.
Fly from
Bismarck
Fly to
Illinois
Route
Depart
Return
Price
BismarckChicago
BIS - MDW
BISMDW
Bismarck
Sat 3/7
10:20 am-4:14 pm
1 stop5h 54m
Chicago Midway
Wed 3/11
2:05 pm-8:19 pm
1 stop6h 14m
$255
BismarckChicago
BIS - ORD
BISORD
Bismarck
Sat 3/28
1:26 pm-7:49 pm
1 stop6h 23m
Chicago O'Hare Intl
Wed 4/1
7:00 pm-11:27 pm
1 stop4h 27m
$255
BismarckChicago
BIS - ORD
BISORD
Bismarck
Sat 3/7
5:26 pm-9:30 pm
1 stop4h 04m
Chicago O'Hare Intl
Wed 3/11
3:59 pm-8:19 pm
1 stop4h 20m
$255
BismarckSt. Louis
BIS - STL
BISSTL
Bismarck
Mon 4/13
12:59 pm-7:33 pm
1 stop6h 34m
Lambert-St Louis
Sat 4/18
5:20 am-1:56 pm
1 stop8h 36m
$269
BismarckChicago
BIS - ORD
BISORD
Bismarck
Sat 3/28
1:26 pm-7:49 pm
1 stop6h 23m
Chicago O'Hare Intl
Mon 3/30
8:55 am-4:06 pm
1 stop7h 11m
$287
BismarckChicago
BIS - ORD
BISORD
Bismarck
Sat 3/28
1:26 pm-7:49 pm
1 stop6h 23m
Chicago O'Hare Intl
Thu 4/2
6:15 am-12:45 pm
1 stop6h 30m
$287
BismarckSt. Louis
BIS - STL
BISSTL
Bismarck
Sat 3/14
6:00 am-11:48 am
1 stop5h 48m
Lambert-St Louis
Wed 3/18
5:25 pm-11:27 pm
1 stop6h 02m
$301
BismarckSt. Louis
BIS - STL
BISSTL
Bismarck
Wed 3/18
7:40 am-2:24 pm
1 stop6h 44m
Lambert-St Louis
Sun 3/22
6:29 am-10:33 am
1 stop4h 04m
$301
BismarckChicago
BIS - ORD
BISORD
Bismarck
Thu 7/2
12:51 pm-3:15 pm
Nonstop2h 24m
Chicago O'Hare Intl
Tue 7/7
9:50 am-12:21 pm
Nonstop2h 31m
$304
BismarckChicago
BIS - MDW
BISMDW
Bismarck
Sat 3/28
1:26 pm-6:40 pm
1 stop5h 14m
Chicago Midway
Wed 4/1
7:20 pm-11:27 pm
1 stop4h 07m
$327
Showing 1-10 of 53 results
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-MDW
BIS-ORD
BIS-STL
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-MDW
BIS-ORD
BIS-STL
No data available for this route at this time. Please check back soon.
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 February 5, 2026.
Peruse reviews from past customers who have flown with Delta and 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.
Overall
7.9
Comfort
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from 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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Bismarck and Illinois flights
Browse other Bismarck and Illinois flight options. Last updated on February 5, 2026.
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Bismarck to Illinois flights
Consider these flights traveling from Bismarck to Illinois.
Top 2 airlines flying from Bismarck to Illinois
Discover the top 2 airlines 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$319 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$240 | Average$310 | FlexibilityNo cancel fee | On-time71% |