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North Dakota

$99+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAR
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(American Airlines)

One-way from

$99
(Frontier)

Popular in

January

Cheapest in

December

Average price

$306

Good round-trip deal

$262 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for Chicago (CHI)-Fargo Hector Field flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Fargo Hector Field flights.
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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. 16% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/238:55 pmORD - FAR
Nonstop2h 03mAmerican Airlines
Mon 5/265:15 amFAR - ORD
Nonstop1h 54mAmerican Airlines
Deal found 4/22$209
This Delta deal was found by Cheapflights users on 4/22. 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 6/47:25 pmMDW - BIS
1 stop3h 55mDelta
Wed 6/117:38 amBIS - MDW
1 stop5h 28mDelta
Deal found 4/22$219
This Delta deal was found by Cheapflights users on 4/22. 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 6/46:24 amORD - BIS
1 stop4h 01mDelta
Wed 6/115:44 pmBIS - ORD
1 stop3h 53mDelta
Deal found 4/22$219
This Frontier deal was found by Cheapflights users on 4/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:00 amORD - FAR
1 stop7h 47mFrontier
Mon 5/262:32 pmFAR - ORD
1 stop9h 20mFrontier
Deal found 4/22$220
This Delta deal was found by Cheapflights users on 4/21. 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 6/67:25 pmMDW - FAR
1 stop4h 23mDelta
Sun 6/85:00 amFAR - MDW
1 stop3h 44mDelta
Deal found 4/21$229
This United Airlines deal was found by Cheapflights users on 4/21. 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 8/11:20 pmORD - FAR
Nonstop2h 09mUnited Airlines
Mon 8/44:45 pmFAR - ORD
Nonstop2h 08mUnited Airlines
Deal found 4/21$231
This Delta deal was found by Cheapflights users on 4/22. 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.
Fri 5/233:33 pmORD - FAR
1 stop5h 33mDelta
Mon 5/265:00 amFAR - ORD
2 stops7h 41mDelta
Deal found 4/22$234
This Delta deal was found by Cheapflights users on 4/21. 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 6/56:24 amORD - MOT
1 stop5h 25mDelta
Thu 6/1212:31 pmMOT - ORD
1 stop7h 01mDelta
Deal found 4/21$238
This Delta deal was found by Cheapflights users on 4/21. 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 6/59:20 amMDW - MOT
1 stop7h 13mDelta
Thu 6/125:00 amMOT - MDW
1 stop3h 44mDelta
Deal found 4/21$238
This Delta deal was found by Cheapflights users on 4/21. 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 6/115:44 pmSTL - FAR
1 stop6h 02mDelta
Sun 6/157:05 amFAR - STL
1 stop3h 27mDelta
Deal found 4/21$249
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 8/255:15 amSTL - BIS
1 stop5h 20mUnited Airlines
Tue 9/21:55 pmBIS - STL
1 stop6h 51mUnited Airlines
Deal found 4/21$249
This American Airlines deal was found by Cheapflights users on 4/21. 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 9/47:34 amSTL - BIS
2 stops14h 07mAmerican Airlines
Wed 9/106:42 amBIS - STL
1 stop7h 21mAmerican Airlines
Deal found 4/21$254

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 April 22, 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

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 5/23

8:55 pm-10:58 pm

Nonstop2h 03m

Fargo Hector Field

Mon 5/26

5:15 am-7:09 am

Nonstop1h 54m

$209

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Wed 6/4

7:25 pm-11:20 pm

1 stop3h 55m

Bismarck

Wed 6/11

7:38 am-1:06 pm

1 stop5h 28m

$219

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 6/4

6:24 am-10:25 am

1 stop4h 01m

Bismarck

Wed 6/11

5:44 pm-9:37 pm

1 stop3h 53m

$219

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 5/23

6:00 am-1:47 pm

1 stop7h 47m

Fargo Hector Field

Mon 5/26

2:32 pm-11:52 pm

1 stop9h 20m

$220

ChicagoFargo

MDW - FAR

MDWFAR

Chicago Midway

Fri 6/6

7:25 pm-11:48 pm

1 stop4h 23m

Fargo Hector Field

Sun 6/8

5:00 am-8:44 am

1 stop3h 44m

$229

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 5/23

3:33 pm-9:06 pm

1 stop5h 33m

Fargo Hector Field

Mon 5/26

5:00 am-12:41 pm

2 stops7h 41m

$234

ChicagoMinot

ORD - MOT

ORDMOT

Chicago O'Hare Intl

Thu 6/5

6:24 am-11:49 am

1 stop5h 25m

Minot

Thu 6/12

12:31 pm-7:32 pm

1 stop7h 01m

$238

ChicagoMinot

MDW - MOT

MDWMOT

Chicago Midway

Thu 6/5

9:20 am-4:33 pm

1 stop7h 13m

Minot

Thu 6/12

5:00 am-8:44 am

1 stop3h 44m

$238

St. LouisFargo

STL - FAR

STLFAR

Lambert-St Louis

Wed 6/11

5:44 pm-11:46 pm

1 stop6h 02m

Fargo Hector Field

Sun 6/15

7:05 am-10:32 am

1 stop3h 27m

$249

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Tue 5/6

1:41 pm-8:55 pm

1 stop7h 14m

Bismarck

Sat 5/10

5:05 pm-11:58 pm

1 stop6h 53m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 40 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 April 22, 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 April 22, 2025.

The most flights from USIL to USND are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in North Dakota by month

Plan your trip to North Dakota by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in North Dakota ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. February is typically the driest time to visit North Dakota when rainfall is around 0.6 in.

Temperature in North Dakota by month

Plan your trip to North Dakota by taking into account the average temperature totals by month.

If weather is an important factor for your trip to North Dakota, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 8.6 F).

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 April 22, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Illinois to North Dakota have to say. 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
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,283 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $99 on Frontier. Other airlines that offer cheap prices include American Airlines from $105 and United Airlines from $161 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.

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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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$199Average$406FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$483FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$234Average$360FlexibilityNo cancel feeOn-time69%

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