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Illinois

$114+ Cheap flights from North Dakota 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
FAR — ORD
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from North Dakota to Illinois

Cheapest flights from North Dakota to Illinois
Explore the most affordable flight options available from North Dakota to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” 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 12/142:55 pmFAR - ORD
Nonstop2h 07mAmerican Airlines
Thu 1/89:40 amORD - FAR
Nonstop2h 13mAmerican Airlines
Deal found 11/12$209
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” 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 12/47:13 pmFAR - ORD
Nonstop2h 17mAmerican Airlines
Sun 12/710:00 pmORD - FAR
Nonstop1h 59mAmerican Airlines
Deal found 11/11$210
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” 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 12/410:17 pmFAR - ORD
1 stop13h 25mMultiple Airlines
Sun 12/72:36 pmORD - FAR
1 stop26h 38mMultiple Airlines
Deal found 11/12$218
This United Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:40 pmFAR - ORD
Nonstop2h 15mUnited Airlines
Sun 12/148:45 amORD - FAR
Nonstop2h 15mUnited Airlines
Deal found 11/12$229
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” 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 12/145:00 amFAR - MDW
1 stop4h 19mDelta
Thu 1/81:49 pmMDW - FAR
1 stop5h 54mDelta
Deal found 11/11$229
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” 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 12/105:59 pmFAR - ORD
1 stop3h 41mDelta
Sat 1/101:54 pmORD - FAR
2 stops10h 00mDelta
Deal found 11/11$234
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 12/107:25 amBIS - STL
1 stop4h 39mDelta
Wed 12/176:00 amSTL - BIS
1 stop6h 47mDelta
Deal found 11/10$249
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” 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 12/57:13 pmFAR - STL
1 stop4h 46mAmerican Airlines
Sun 12/75:14 amSTL - FAR
1 stop7h 26mAmerican Airlines
Deal found 11/11$249
This American Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:23 amFAR - ORD
Nonstop2h 16mAmerican Airlines
Fri 11/2810:00 pmORD - FAR
Nonstop1h 59mAmerican Airlines
Deal found 11/10$249
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:35 pmBIS - ORD
1 stop6h 05mDelta
Sun 12/146:00 amORD - BIS
1 stop5h 07mDelta
Deal found 11/11$250
This American Airlines deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” 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 12/52:29 pmBIS - STL
2 stops9h 30mAmerican Airlines
Fri 12/125:15 amSTL - BIS
1 stop7h 06mAmerican Airlines
Deal found 11/13$254
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” 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 12/91:27 pmBIS - MDW
1 stop4h 51mDelta
Tue 12/161:50 pmMDW - BIS
1 stop6h 04mDelta
Deal found 11/12$258

Cheap flight deals from North Dakota to Illinois

Keep the following information in mind while searching for North Dakota to Illinois flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(American Airlines)

One-way from

$114
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$287

Good round-trip deal

$320 or less

Good one-way deal

$247 or less
Provider with most accurate pricing for Fargo Hector Field-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fargo Hector Field-Chicago (CHI) flights.
Search Deals
From North Dakota to Illinois
Search Deals
One-way flight from North Dakota to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from North Dakota to Illinois.
Search Deals
Price to beat on a one-way flight from North Dakota to Illinois.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from North Dakota to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from North Dakota to Illinois that are best for you.

Fly from

North Dakota

Fly to

Illinois

Route

Depart

Return

Price

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Sat 4/4

1:10 pm-6:08 pm

1 stop4h 58m

Chicago Midway

Wed 4/8

2:00 pm-8:07 pm

1 stop6h 07m

$219

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 4/4

5:30 pm-9:56 pm

1 stop4h 26m

Chicago O'Hare Intl

Wed 4/8

6:00 am-12:47 pm

1 stop6h 47m

$219

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Thu 1/8

5:00 am-8:40 am

1 stop3h 40m

Chicago O'Hare Intl

Sat 1/10

6:46 pm-11:54 pm

1 stop5h 08m

$229

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Wed 1/14

5:00 am-8:40 am

1 stop3h 40m

Chicago O'Hare Intl

Sat 1/17

6:46 pm-11:54 pm

1 stop5h 08m

$229

FargoChicago

FAR - MDW

FARMDW

Fargo Hector Field

Wed 12/10

5:00 am-9:19 am

1 stop4h 19m

Chicago Midway

Sat 1/10

5:00 pm-11:54 pm

1 stop6h 54m

$229

FargoChicago

FAR - MDW

FARMDW

Fargo Hector Field

Sun 12/14

5:00 am-9:19 am

1 stop4h 19m

Chicago Midway

Thu 1/8

1:49 pm-7:43 pm

1 stop5h 54m

$229

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Tue 1/6

5:00 am-8:40 am

1 stop3h 40m

Chicago O'Hare Intl

Sat 1/10

1:54 pm-11:54 pm

2 stops10h 00m

$234

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Sat 1/17

5:00 am-12:48 pm

2 stops7h 48m

Chicago Midway

Tue 1/20

7:16 pm-11:28 pm

1 stop4h 12m

$244

FargoSt. Louis

FAR - STL

FARSTL

Fargo Hector Field

Fri 12/5

7:13 pm-11:59 pm

1 stop4h 46m

Lambert-St Louis

Sun 12/7

5:14 am-12:40 pm

1 stop7h 26m

$249

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 12/12

5:36 pm-11:29 pm

1 stop5h 53m

Lambert-St Louis

Wed 12/17

12:49 pm-7:54 pm

1 stop7h 05m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 60 results
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Best time to book a flight from North Dakota to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from North Dakota with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from North Dakota to Illinois

What is the cheapest month to book a flight from North Dakota to Illinois?

Currently, December is the cheapest month in which you can book a flight from North Dakota to Illinois (average of $207). Flying from North Dakota to Illinois in May is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ND to IL?

Find hourly flight availability from North Dakota to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

When flying from North Dakota to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 43% versus a flight in the morning.

Weekly flight availability from North Dakota to Illinois

Explore weekly flight availability from North Dakota to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 13, 2025.

The most flights from USND to USIL are scheduled on a Thursday (25 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).

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 November 13, 2025.
Read through reviews of airlines operating flights from North Dakota to Illinois, such as Delta, United Airlines, and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,017 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.8
Fair
3,109 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from North Dakota to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from North Dakota to Illinois?

    Departing from North Dakota to Illinois will take you 4h 46m. The distance between North Dakota and Illinois is about 651 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from North Dakota to Illinois that include hotel bookings?

    Yes. In addition to deals on North Dakota to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from North Dakota to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North Dakota to Illinois.

  • Can I find deals for business class flights from North Dakota to Illinois?

    Yes. Cheapflights offers flight deals from North Dakota to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from North Dakota to Illinois?

    Currently, December is the cheapest month in which you can book a flight from North Dakota to Illinois (average of $207). Flying from North Dakota to Illinois in May is currently the most expensive (average of $250). 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.

See more FAQs

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Top 3 airlines flying from North Dakota to Illinois

Discover the top 3 airlines that operate flights from North Dakota to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$336FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$209Average$347FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$428FlexibilityNo cancel feeOn-timeN/A

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