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North Dakota

$127+ Cheap flights from Illinois to North Dakota

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAR
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Illinois to North Dakota

Keep the following information in mind while searching for Illinois to North Dakota flight deals. Data was last updated September 17, 2025.

Round-trip from

$148
(Priceline)

One-way from

$127
(Frontier)

Popular in

January

Cheapest in

September

Average price

$239

Good round-trip deal

$229 or less

Good one-way deal

$329 or less
From Illinois to North Dakota
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One-way flight from Illinois to North Dakota
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Highest demand for flights based on searches. 22% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to North Dakota.
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Price to beat on a one-way flight from Illinois to North Dakota.
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Find flight deals from Illinois to North Dakota

Cheapest flights from Illinois to North Dakota
Explore the most affordable flight options available from Illinois to North Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:15 amORD - FAR
1 stop7h 36mFrontier
Tue 10/213:40 pmFAR - ORD
1 stop8h 13mFrontier
Deal found 9/17$148
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:50 amORD - FAR
1 stop7h 15mFrontier
Sun 10/263:11 pmFAR - ORD
1 stop8h 42mFrontier
Deal found 9/16$183
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:15 amORD - FAR
1 stop7h 36mFrontier
Fri 10/173:09 pmFAR - ORD
1 stop9h 50mFrontier
Deal found 9/14$187
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/12:54 pmORD - FAR
Nonstop1h 58mAmerican Airlines
Mon 11/37:15 pmFAR - ORD
Nonstop2h 14mAmerican Airlines
Deal found 9/15$209
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/313:00 pmORD - FAR
Nonstop1h 57mAmerican Airlines
Fri 11/77:15 pmFAR - ORD
Nonstop2h 14mAmerican Airlines
Deal found 9/16$211
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/49:10 pmORD - FAR
Nonstop2h 05mAmerican Airlines
Mon 10/65:30 pmFAR - ORD
Nonstop2h 09mAmerican Airlines
Deal found 9/15$219
This Delta deal was found by Cheapflights users on 9/16. 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 12/36:00 amORD - BIS
1 stop6h 47mDelta
Tue 12/97:40 amBIS - ORD
1 stop4h 08mDelta
Deal found 9/16$219
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amORD - FAR
1 stop8h 05mFrontier
Fri 11/72:50 pmFAR - ORD
1 stop9h 25mFrontier
Deal found 9/16$223
This Delta deal was found by Cheapflights users on 9/15. 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 11/16:08 amORD - FAR
1 stop6h 29mDelta
Tue 11/45:00 amFAR - ORD
2 stops7h 40mDelta
Deal found 9/15$234
This Delta deal was found by Cheapflights users on 9/15. 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 11/13:00 pmMDW - FAR
1 stop4h 31mDelta
Tue 11/45:00 amFAR - MDW
2 stops7h 28mDelta
Deal found 9/15$234
This Delta deal was found by Cheapflights users on 9/16. 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 10/115:40 pmORD - MOT
1 stop5h 53mDelta
Mon 10/2012:35 pmMOT - ORD
1 stop7h 08mDelta
Deal found 9/16$238
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/11:22 pmORD - FAR
1 stop8h 39mAmerican Airlines
Tue 11/412:38 pmFAR - ORD
Nonstop2h 09mAmerican Airlines
Deal found 9/15$242

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to North Dakota 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 September 17, 2025.
Use the filters below to find and compare flights from Illinois to North Dakota that are best for you.

Fly from

Illinois

Fly to

North Dakota

Route

Depart

Return

Price

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 12/3

6:00 am-12:47 pm

1 stop6h 47m

Bismarck

Tue 12/9

7:40 am-11:48 am

1 stop4h 08m

$219

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 10/31

6:00 am-2:05 pm

1 stop8h 05m

Fargo Hector Field

Fri 11/7

2:50 pm-12:15 am

1 stop9h 25m

$223

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sat 10/4

3:13 pm-5:11 pm

Nonstop1h 58m

Fargo Hector Field

Mon 10/6

5:30 pm-7:39 pm

Nonstop2h 09m

$229

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sat 11/8

8:57 am-12:37 pm

1 stop3h 40m

Fargo Hector Field

Sun 11/9

5:00 am-8:37 am

1 stop3h 37m

$229

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sat 11/1

6:08 am-10:13 am

1 stop4h 05m

Fargo Hector Field

Tue 11/4

5:00 am-12:40 pm

2 stops7h 40m

$234

ChicagoFargo

MDW - FAR

MDWFAR

Chicago Midway

Sat 11/1

3:00 pm-7:31 pm

1 stop4h 31m

Fargo Hector Field

Tue 11/4

5:00 am-12:28 pm

2 stops7h 28m

$234

ChicagoMinot

ORD - MOT

ORDMOT

Chicago O'Hare Intl

Sat 10/11

5:40 pm-11:33 pm

1 stop5h 53m

Minot

Mon 10/20

12:35 pm-7:43 pm

1 stop7h 08m

$238

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sat 11/8

1:23 pm-9:59 pm

1 stop8h 36m

Fargo Hector Field

Sun 11/9

7:15 pm-9:29 pm

Nonstop2h 14m

$242

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 12/3

9:40 am-12:21 pm

Nonstop2h 41m

Bismarck

Tue 12/9

12:51 pm-3:23 pm

Nonstop2h 32m

$247

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Thu 10/2

5:35 am-1:46 pm

1 stop8h 11m

Fargo Hector Field

Mon 10/6

2:31 pm-11:59 pm

1 stop9h 28m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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

Have a flexible travel schedule? Discover the best time to fly to North Dakota from Illinois 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 Illinois to North Dakota

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

Currently, August is the cheapest month in which you can book a flight from Illinois to North Dakota (average of $333). Flying from Illinois to North Dakota in July is currently the most expensive (average of $446). 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 IL to ND?

Find hourly flight availability from Illinois to North Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to North Dakota as you normally would.

Weekly flight availability from Illinois to North Dakota

Explore weekly flight availability from Illinois to North Dakota. 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 September 17, 2025.

The most flights from USIL to USND are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing North Dakota

Get insights into the airlines that provide service to North Dakota. 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 North Dakota. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Illinois to North Dakota. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to North Dakota. 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 Illinois to North Dakota?

    For as low as $229, Delta can have you in North Dakota from Illinois in 1h 58m. Illinois and North Dakota are separated by a distance of 556 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to North Dakota one-way?

    One-way options have recently been found by users for as low as $137 on Frontier. Other airlines that offer cheap prices include Delta from $170 and United Airlines from $239 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to North Dakota 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 Illinois to North Dakota?

    Currently, August is the cheapest month in which you can book a flight from Illinois to North Dakota (average of $333). Flying from Illinois to North Dakota in July is currently the most expensive (average of $446). 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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Alternative routes for Illinois to North Dakota

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to North Dakota

Discover the top 3 airlines that operate flights from Illinois to North Dakota. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$190Average$417FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$209Average$418FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$384FlexibilityNo cancel feeOn-time69%

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