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$93+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
FAR — ORD
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
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 24, 2025.

This American Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” 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 12/1412:25 pmFAR - ORD
Nonstop2h 06mAmerican Airlines
Thu 1/89:40 amORD - FAR
Nonstop2h 13mAmerican Airlines
Deal found 11/23$209
This United Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” 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 12/101:43 pmFAR - ORD
Nonstop2h 12mUnited Airlines
Wed 1/1412:45 pmORD - FAR
Nonstop2h 14mUnited Airlines
Deal found 11/23$229
This Delta deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:00 amFAR - MDW
1 stop4h 19mDelta
Thu 1/81:49 pmMDW - FAR
1 stop5h 54mDelta
Deal found 11/22$229
This Delta deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:38 amBIS - ORD
1 stop4h 12mDelta
Tue 1/66:45 pmORD - BIS
1 stop4h 41mDelta
Deal found 11/22$235
This Delta deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:00 amMOT - ORD
1 stop5h 33mDelta
Wed 12/176:00 amORD - MOT
1 stop6h 07mDelta
Deal found 11/22$238
This United Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” 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 12/316:07 pmFAR - ORD
Nonstop2h 18mUnited Airlines
Sun 1/41:00 pmORD - FAR
Nonstop2h 18mUnited Airlines
Deal found 11/24$245
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” 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 12/145:36 pmBIS - STL
1 stop5h 53mDelta
Sun 12/216:05 amSTL - BIS
1 stop4h 33mDelta
Deal found 11/23$249
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” 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 12/105:00 amFAR - ORD
1 stop3h 40mDelta
Sat 1/106:45 pmORD - FAR
1 stop5h 09mDelta
Deal found 11/23$249
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” 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 12/101:28 pmFAR - MDW
1 stop4h 50mDelta
Sat 1/105:00 pmMDW - FAR
1 stop6h 54mDelta
Deal found 11/23$249
This Delta deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:18 amBIS - MDW
1 stop6h 01mDelta
Thu 1/87:16 pmMDW - BIS
1 stop4h 10mDelta
Deal found 11/22$259
This American Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” 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 12/105:14 pmFAR - ORD
1 stop6h 21mAmerican Airlines
Sat 1/109:40 amORD - FAR
Nonstop2h 13mAmerican Airlines
Deal found 11/23$259
This Delta deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:00 amFAR - STL
1 stop4h 10mDelta
Sun 12/146:00 amSTL - FAR
1 stop4h 23mDelta
Deal found 11/22$264

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 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(American Airlines)

One-way from

$93
(Trip.com)

Popular in

July

Cheapest in

September

Average price

$308

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 24, 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

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Sat 12/27

7:14 pm-9:29 pm

Nonstop2h 15m

Chicago O'Hare Intl

Fri 1/2

8:50 pm-10:49 pm

Nonstop1h 59m

$209

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Sun 12/14

6:52 am-9:10 am

Nonstop2h 18m

Chicago O'Hare Intl

Thu 1/8

3:27 pm-5:36 pm

Nonstop2h 09m

$209

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 2/21

1:25 pm-6:01 pm

1 stop4h 36m

Chicago O'Hare Intl

Wed 2/25

8:52 am-12:45 pm

1 stop3h 53m

$227

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Wed 12/10

1:43 pm-3:55 pm

Nonstop2h 12m

Chicago O'Hare Intl

Wed 1/14

12:45 pm-2:59 pm

Nonstop2h 14m

$229

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Thu 1/8

5:00 am-8:40 am

1 stop3h 40m

Chicago O'Hare Intl

Sun 1/11

6:15 am-10:28 am

1 stop4h 13m

$229

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Fri 1/30

6:06 pm-8:19 pm

Nonstop2h 13m

Chicago O'Hare Intl

Sun 2/1

7:29 pm-9:38 pm

Nonstop2h 09m

$229

FargoChicago

FAR - MDW

FARMDW

Fargo Hector Field

Wed 1/14

5:00 am-9:08 am

1 stop4h 08m

Chicago Midway

Sat 1/17

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

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Sat 1/31

11:21 am-4:16 pm

1 stop4h 55m

Chicago Midway

Wed 2/4

7:16 pm-11:26 pm

1 stop4h 10m

$235

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 12/30

7:38 am-11:50 am

1 stop4h 12m

Chicago O'Hare Intl

Tue 1/6

6:45 pm-11:26 pm

1 stop4h 41m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 52 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, February is the cheapest month in which you can book a flight from North Dakota to Illinois (average of $209). 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 24, 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 41% 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 24, 2025.

The most flights from USND to USIL are scheduled on a Monday (24 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 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 24, 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
7,997 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

7.9

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
7,997 reviews
Delta
7.9
Good
7,997 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

7.9

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
9,036 reviews
Delta
7.9
Good
7,997 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

7.9

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
11,046 reviews
Delta
7.9
Good
7,997 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

7.9

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
3,099 reviews
Delta
7.9
Good
7,997 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

7.9

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 2h 12m. The distance between North Dakota and Illinois is about 556 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, February is the cheapest month in which you can book a flight from North Dakota to Illinois (average of $209). 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 24, 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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