$98+ Cheap flights from Illinois to Bismarck (BIS)
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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BIS
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from Illinois to Bismarck 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 Illinois to Bismarck
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Cheapest flights from Illinois to BismarckExplore the most affordable flight options available from Illinois to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from Illinois to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
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 3/287:20 pm
MDW
- BIS
1 stop4h 01m
Delta
Tue 3/317:40 am
BIS
- MDW
1 stop5h 45m
Delta
Deal found 2/2![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 3/286:35 pm
ORD
- BIS
1 stop4h 46m
Delta
Sat 4/41:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Deal found 2/2![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 3/286:35 pm
ORD
- BIS
1 stop4h 46m
Delta
Tue 3/315:00 am
BIS
- ORD
2 stops8h 17m
Delta
Deal found 2/2![Delta logo]()
$260
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 5/91:59 pm
MDW
- BIS
1 stop5h 35m
Delta
Sat 5/161:14 pm
BIS
- MDW
1 stop4h 42m
Delta
Deal found 2/2![Delta logo]()
$277
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 3/287:20 pm
MDW
- BIS
1 stop4h 01m
Delta
Sun 4/51:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![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.
Thu 3/267:00 pm
ORD
- BIS
1 stop4h 27m
Delta
Wed 4/11:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Deal found 2/2![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.
Thu 3/262:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Tue 3/315:00 am
BIS
- MDW
2 stops7h 29m
Delta
Deal found 2/2![Delta logo]()
$292
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 3/266:15 am
ORD
- BIS
1 stop6h 30m
Delta
Tue 3/315:00 am
BIS
- ORD
2 stops8h 17m
Delta
Deal found 2/2![Delta logo]()
$292
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.
Wed 3/45:29 pm
STL
- BIS
1 stop5h 53m
Delta
Wed 3/1111:13 am
BIS
- STL
1 stop5h 52m
Delta
Deal found 2/2![Delta logo]()
$301
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 3/262:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Sun 4/51:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![Delta logo]()
$319
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 3/268:55 am
ORD
- BIS
1 stop3h 50m
Delta
Mon 4/61:26 pm
BIS
- ORD
1 stop4h 36m
Delta
Deal found 2/2![Delta logo]()
$319
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.
Sun 3/297:20 pm
MDW
- BIS
1 stop4h 07m
Delta
Sat 4/41:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![Delta logo]()
$327
Best flights from Illinois to BismarckDiscover carefully curated flight deals from Illinois to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Illinois to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
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 3/287:20 pm
MDW
- BIS
1 stop4h 01m
Delta
Sat 4/41:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![Delta logo]()
$255
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.
Fri 5/85:15 am
MLI
- BIS
1 stop7h 14m
American Airlines
Mon 5/1112:59 pm
BIS
- MLI
1 stop5h 11m
American Airlines
Deal found 2/2![American Airlines logo]()
$339
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/144:30 pm
STL
- BIS
1 stop5h 28m
United Airlines
Sun 2/155:30 am
BIS
- STL
1 stop7h 44m
United Airlines
Deal found 2/3![United Airlines logo]()
$499
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 3/317:20 pm
MDW
- BIS
1 stop4h 07m
Delta
Sat 4/41:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![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 3/286:35 pm
ORD
- BIS
1 stop4h 46m
Delta
Wed 4/11:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Deal found 2/2![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.
Wed 4/16:15 am
ORD
- BIS
1 stop4h 18m
Delta
Sat 4/46:00 am
BIS
- ORD
1 stop5h 30m
Delta
Deal found 2/2![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 3/286:35 pm
ORD
- BIS
1 stop4h 46m
Delta
Sat 4/41:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Deal found 2/2![Delta logo]()
$255
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.
Wed 4/155:20 am
STL
- BIS
1 stop8h 36m
American Airlines
Sat 4/182:26 pm
BIS
- STL
2 stops9h 20m
American Airlines
Deal found 2/2![American Airlines logo]()
$357
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 3/286:35 pm
ORD
- BIS
1 stop4h 46m
Delta
Tue 3/315:00 am
BIS
- ORD
1 stop6h 35m
Delta
Deal found 2/2![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 3/282:05 pm
MDW
- BIS
1 stop6h 19m
Delta
Tue 3/315:00 am
BIS
- MDW
2 stops7h 29m
Delta
Deal found 2/2![Delta logo]()
$260
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 5/91:59 pm
MDW
- BIS
1 stop5h 35m
Delta
Sat 5/161:14 pm
BIS
- MDW
1 stop4h 42m
Delta
Deal found 2/2![Delta logo]()
$277
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.
Mon 3/302:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Sat 4/41:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![Delta logo]()
$287
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:30 pm
STL
- BIS
1 stop7h 13m
United Airlines
Tue 3/31:43 pm
BIS
- STL
1 stop6h 43m
United Airlines
Deal found 2/2![United Airlines logo]()
$615
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.
Wed 4/19:30 am
MDW
- BIS
1 stop6h 36m
Delta
Sun 4/51:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![Delta logo]()
$287
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.
Sat 2/147:00 am
STL
- BIS
1 stop6h 54m
American Airlines
Sun 2/152:24 pm
BIS
- STL
2 stops9h 24m
American Airlines
Deal found 2/3![American Airlines logo]()
$565
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 3/287:20 pm
MDW
- BIS
1 stop4h 01m
Delta
Thu 4/27:40 am
BIS
- MDW
1 stop5h 45m
Delta
Deal found 2/2![Delta logo]()
$287
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.
Wed 3/47:00 am
STL
- BIS
1 stop6h 54m
American Airlines
Wed 3/116:05 am
BIS
- STL
2 stops17h 39m
American Airlines
Deal found 2/2![American Airlines logo]()
$587
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/174:30 pm
STL
- BIS
1 stop5h 28m
United Airlines
Wed 2/181:43 pm
BIS
- STL
1 stop6h 43m
United Airlines
Deal found 2/3![United Airlines logo]()
$663
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 3/312:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Sun 4/51:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![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.
Fri 3/272:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Wed 4/17:40 am
BIS
- MDW
1 stop5h 45m
Delta
Deal found 2/2![Delta logo]()
$287
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.
Fri 6/195:30 pm
EVV
- BIS
1 stop6h 13m
American Airlines
Mon 6/226:00 am
BIS
- EVV
1 stop5h 56m
American Airlines
Deal found 2/3![American Airlines logo]()
$619
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 3/287:20 pm
MDW
- BIS
1 stop4h 01m
Delta
Sun 4/51:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![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.
Thu 3/262:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Tue 3/317:40 am
BIS
- MDW
1 stop5h 45m
Delta
Deal found 2/2![Delta logo]()
$287
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.
Sun 3/15:22 pm
MLI
- BIS
2 stops19h 34m
United Airlines
Fri 3/66:31 pm
BIS
- MLI
2 stops15h 38m
United Airlines
Deal found 2/2![United Airlines logo]()
$851
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 3/282:05 pm
MDW
- BIS
1 stop6h 19m
Delta
Fri 4/31:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![Delta logo]()
$287
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.
Sun 3/13:33 pm
MLI
- BIS
1 stop8h 22m
American Airlines
Fri 3/62:24 pm
BIS
- MLI
1 stop8h 29m
American Airlines
Deal found 2/2![American Airlines logo]()
$814
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.
Wed 4/16:15 am
ORD
- BIS
1 stop4h 18m
Delta
Sun 4/51:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Deal found 2/2![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.
Fri 3/273:59 pm
ORD
- BIS
1 stop4h 20m
Delta
Wed 4/11:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Deal found 2/2![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.
Thu 3/266:15 am
ORD
- BIS
1 stop6h 30m
Delta
Sat 4/46:00 am
BIS
- ORD
1 stop5h 30m
Delta
Deal found 2/2![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 3/286:35 pm
ORD
- BIS
1 stop4h 46m
Delta
Mon 4/61:26 pm
BIS
- ORD
1 stop4h 36m
Delta
Deal found 2/2![Delta logo]()
$287
Last-minute flights from Illinois to BismarckDiscover last-minute flight deals from Illinois to Bismarck. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Bismarck. Data last updated February 4, 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 2/177:20 pm
MDW
- BIS
1 stop4h 02m
Delta
Sat 2/216:10 am
BIS
- MDW
1 stop4h 53m
Delta
Deal found 2/3![Delta logo]()
$329
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.
Wed 3/45:29 pm
STL
- BIS
1 stop5h 53m
Delta
Wed 3/1111:13 am
BIS
- STL
1 stop5h 52m
Delta
Deal found 2/2![Delta logo]()
$301
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 3/266:15 am
ORD
- BIS
1 stop6h 30m
Delta
Sat 4/46:00 am
BIS
- ORD
1 stop5h 30m
Delta
Deal found 2/2![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.
Thu 3/262:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Tue 3/315:00 am
BIS
- MDW
2 stops7h 29m
Delta
Deal found 2/2![Delta logo]()
$292
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 3/266:15 am
ORD
- BIS
1 stop6h 30m
Delta
Tue 3/315:00 am
BIS
- ORD
2 stops8h 17m
Delta
Deal found 2/2![Delta logo]()
$292
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 3/262:05 pm
MDW
- BIS
1 stop6h 14m
Delta
Mon 4/67:40 am
BIS
- MDW
1 stop5h 45m
Delta
Deal found 2/2![Delta logo]()
$319
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 3/267:00 pm
ORD
- BIS
1 stop4h 27m
Delta
Sun 4/51:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Deal found 2/2![Delta logo]()
$319
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 3/287:20 pm
MDW
- BIS
1 stop4h 01m
Delta
Tue 3/317:40 am
BIS
- MDW
1 stop5h 45m
Delta
Deal found 2/2![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 3/286:35 pm
ORD
- BIS
1 stop4h 46m
Delta
Tue 3/315:00 am
BIS
- ORD
1 stop6h 35m
Delta
Deal found 2/2![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 3/287:20 pm
MDW
- BIS
1 stop4h 01m
Delta
Thu 4/27:40 am
BIS
- MDW
1 stop5h 45m
Delta
Deal found 2/2![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 3/286:35 pm
ORD
- BIS
1 stop4h 46m
Delta
Thu 4/21:26 pm
BIS
- ORD
1 stop6h 23m
Delta
Deal found 2/2![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.
Sun 3/297:20 pm
MDW
- BIS
1 stop4h 07m
Delta
Sat 4/41:26 pm
BIS
- MDW
1 stop5h 14m
Delta
Deal found 2/2![Delta logo]()
$327
One-way flights from Illinois to BismarckSearch for one-way flight options from Illinois to Bismarck. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Illinois to Bismarck. Find affordable one-way fares based on user searches. Data last updated February 4, 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 2/286:51 pm
ORD
- BIS
1 stop4h 31m
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 3/36:30 am
ORD
- BIS
2 stops10h 11m
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.
Wed 4/299:18 pm
ORD
- BIS
1 stop13h 28m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$170
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.
Sat 4/48:00 am
ORD
- BIS
1 stop26h 51m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$195
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.
Tue 5/59:20 pm
ORD
- BIS
2 stops37h 26m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$199
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.
Wed 3/411:51 am
ORD
- BIS
3 stops23h 10m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$200
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 4/14:36 pm
ORD
- BIS
2 stops18h 10m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$211
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.
Thu 3/56:51 pm
ORD
- BIS
3 stops42h 49m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$213
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:20 pm
ORD
- BIS
2 stops37h 26m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$235
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:15 am
STL
- BIS
1 stop7h 48m
United Airlines
Deal found 2/3![United Airlines logo]()
$249
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:22 pm
MDW
- BIS
3 stops49h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$334
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 2/179:50 am
MDW
- BIS
1 stop6h 51m
Delta
Deal found 2/3![Delta logo]()
$353
Find flight deals from Illinois to Bismarck
Keep the following information in mind while searching for Illinois to Bismarck flight deals. Data was last updated February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Delta) |
One-way from | $98 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $323 |
Good round-trip deal | $533 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Bismarck 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 4, 2026.
Use the filters below to find and compare flights from Illinois to Bismarck that are best for you.
Fly from
Illinois
Fly to
Bismarck
Route
Depart
Return
Price
ChicagoBismarck
MDW - BIS
MDWBIS
Chicago Midway
Sat 3/28
7:20 pm-11:21 pm
1 stop4h 01m
Bismarck
Sat 4/4
1:26 pm-6:40 pm
1 stop5h 14m
$255
ChicagoBismarck
MDW - BIS
MDWBIS
Chicago Midway
Tue 3/31
7:20 pm-11:27 pm
1 stop4h 07m
Bismarck
Sat 4/4
1:26 pm-6:40 pm
1 stop5h 14m
$255
ChicagoBismarck
ORD - BIS
ORDBIS
Chicago O'Hare Intl
Sat 3/28
6:35 pm-11:21 pm
1 stop4h 46m
Bismarck
Wed 4/1
1:26 pm-7:49 pm
1 stop6h 23m
$255
ChicagoBismarck
ORD - BIS
ORDBIS
Chicago O'Hare Intl
Wed 4/1
6:15 am-10:33 am
1 stop4h 18m
Bismarck
Sat 4/4
6:00 am-11:30 am
1 stop5h 30m
$255
ChicagoBismarck
ORD - BIS
ORDBIS
Chicago O'Hare Intl
Sat 3/28
6:35 pm-11:21 pm
1 stop4h 46m
Bismarck
Sat 4/4
1:26 pm-7:49 pm
1 stop6h 23m
$255
ChicagoBismarck
ORD - BIS
ORDBIS
Chicago O'Hare Intl
Sat 3/28
6:35 pm-11:21 pm
1 stop4h 46m
Bismarck
Tue 3/31
5:00 am-11:35 am
1 stop6h 35m
$255
ChicagoBismarck
MDW - BIS
MDWBIS
Chicago Midway
Sat 3/28
2:05 pm-8:24 pm
1 stop6h 19m
Bismarck
Tue 3/31
5:00 am-12:29 pm
2 stops7h 29m
$260
ChicagoBismarck
MDW - BIS
MDWBIS
Chicago Midway
Sat 5/9
1:59 pm-7:34 pm
1 stop5h 35m
Bismarck
Sat 5/16
1:14 pm-5:56 pm
1 stop4h 42m
$277
ChicagoBismarck
MDW - BIS
MDWBIS
Chicago Midway
Mon 3/30
2:05 pm-8:19 pm
1 stop6h 14m
Bismarck
Sat 4/4
1:26 pm-6:40 pm
1 stop5h 14m
$287
ChicagoBismarck
MDW - BIS
MDWBIS
Chicago Midway
Wed 4/1
9:30 am-4:06 pm
1 stop6h 36m
Bismarck
Sun 4/5
1:26 pm-6:40 pm
1 stop5h 14m
$287
Showing 1-10 of 40 results
Best time to book a flight from Illinois to Bismarck
Have a flexible travel schedule? Discover the best time to fly to Bismarck from Illinois with our price prediction graph.
ORD-BIS
STL-BIS
MDW-BIS
MLI-BIS
EVV-BIS
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 Illinois to Bismarck
USIL-BIS
ORD-BIS
STL-BIS
MDW-BIS
MLI-BIS
What is the cheapest month to book a flight from Illinois to Bismarck?
Currently, May is the cheapest month in which you can book a flight from Illinois to Bismarck (average of $246). Flying from Illinois to Bismarck in December is currently the most expensive (average of $374). 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.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Bismarck. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Bismarck flight routes
Complete your trip
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Alternative routes for Illinois to Bismarck
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Bismarck
Explore flights to Bismarck departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 4, 2026.
Complete your trip
Complete your trip to Bismarck by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Bismarck by cabin class
Find flights from Illinois to Bismarck, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Bismarck flights
Browse other Illinois and Bismarck flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Bismarck flights
Consider these flights traveling from Illinois to Bismarck.
Top 2 airlines flying from Illinois to Bismarck
Discover the top 2 airlines that operate flights from Illinois to Bismarck. 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$255 | Average$363 | FlexibilityNo cancel fee | On-time71% |