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North Dakota

$89+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAR
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$188
(Frontier)

One-way from

$89
(Frontier)

Popular in

January

Cheapest in

December

Average price

$324

Good round-trip deal

$285 or less

Good one-way deal

$142 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. 14% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 2, 2025.

This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:45 amORD - FAR
1 stop6h 42mFrontier
Wed 4/165:41 pmFAR - ORD
1 stop6h 56mFrontier
Deal found 4/1$188
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:10 pmORD - FAR
Nonstop2h 00mAmerican Airlines
Mon 5/265:15 amFAR - ORD
Nonstop1h 54mAmerican Airlines
Deal found 4/1$209
This Delta deal was found by Cheapflights users on 4/2. 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 6/2111:19 amSTL - BIS
1 stop5h 32mDelta
Sat 6/285:50 pmBIS - STL
1 stop5h 30mDelta
Deal found 4/2$217
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/155:35 pmSTL - FAR
1 stop4h 24mUnited Airlines
Sat 4/192:20 pmFAR - STL
1 stop5h 44mUnited Airlines
Deal found 3/31$229
This Delta deal was found by Cheapflights users on 3/31. 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 5/156:05 pmSTL - FAR
1 stop5h 43mDelta
Tue 5/205:31 pmFAR - STL
1 stop5h 55mDelta
Deal found 3/31$243
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/238:12 pmORD - FAR
1 stop3h 36mDelta
Mon 5/265:00 amFAR - ORD
1 stop3h 24mDelta
Deal found 4/1$249
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/307:25 pmMDW - BIS
1 stop3h 55mDelta
Mon 6/211:05 amBIS - MDW
1 stop6h 40mDelta
Deal found 4/1$249
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 5/81:00 pmORD - BIS
1 stop8h 22mUnited Airlines
Mon 5/125:05 pmBIS - ORD
1 stop6h 02mUnited Airlines
Deal found 3/31$249
This Delta deal was found by Cheapflights users on 3/31. 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 5/106:30 pmMDW - FAR
1 stop5h 18mDelta
Tue 5/137:00 amFAR - MDW
1 stop6h 15mDelta
Deal found 3/31$249
This American Airlines deal was found by Cheapflights users on 3/31. 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 5/297:00 amSTL - FAR
1 stop5h 39mAmerican Airlines
Tue 6/34:35 pmFAR - STL
1 stop6h 10mAmerican Airlines
Deal found 3/31$254
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:20 amORD - BIS
1 stop4h 05mDelta
Mon 5/52:00 pmBIS - ORD
1 stop4h 49mDelta
Deal found 4/1$254
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:26 amORD - BIS
Nonstop2h 33mAmerican Airlines
Sat 6/141:29 pmBIS - ORD
Nonstop2h 06mAmerican Airlines
Deal found 4/1$263

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 2, 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

Sun 4/13

6:45 am-1:27 pm

1 stop6h 42m

Fargo Hector Field

Wed 4/16

5:41 pm-12:37 am

1 stop6h 56m

$188

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 5/23

1:10 pm-3:10 pm

Nonstop2h 00m

Fargo Hector Field

Mon 5/26

5:15 am-7:09 am

Nonstop1h 54m

$209

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sat 6/21

11:19 am-4:51 pm

1 stop5h 32m

Bismarck

Sat 6/28

5:50 pm-11:20 pm

1 stop5h 30m

$217

St. LouisFargo

STL - FAR

STLFAR

Lambert-St Louis

Tue 4/15

5:35 pm-9:59 pm

1 stop4h 24m

Fargo Hector Field

Sat 4/19

2:20 pm-8:04 pm

1 stop5h 44m

$229

St. LouisFargo

STL - FAR

STLFAR

Lambert-St Louis

Thu 5/15

6:05 pm-11:48 pm

1 stop5h 43m

Fargo Hector Field

Tue 5/20

5:31 pm-11:26 pm

1 stop5h 55m

$243

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Thu 5/8

1:00 pm-9:22 pm

1 stop8h 22m

Bismarck

Mon 5/12

5:05 pm-11:07 pm

1 stop6h 02m

$249

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 5/23

8:12 pm-11:48 pm

1 stop3h 36m

Fargo Hector Field

Mon 5/26

5:00 am-8:24 am

1 stop3h 24m

$249

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Fri 5/30

7:25 pm-11:20 pm

1 stop3h 55m

Bismarck

Mon 6/2

11:05 am-5:45 pm

1 stop6h 40m

$249

ChicagoFargo

MDW - FAR

MDWFAR

Chicago Midway

Sat 5/10

6:30 pm-11:48 pm

1 stop5h 18m

Fargo Hector Field

Tue 5/13

7:00 am-1:15 pm

1 stop6h 15m

$249

St. LouisFargo

STL - FAR

STLFAR

Lambert-St Louis

Thu 5/29

7:00 am-12:39 pm

1 stop5h 39m

Fargo Hector Field

Tue 6/3

4:35 pm-10:45 pm

1 stop6h 10m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 41 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 2, 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 2, 2025.

The most flights from USIL to USND are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 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 2, 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
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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
3,277 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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 $89 on Frontier. Other airlines that offer cheap prices include Delta from $109 and American Airlines from $175 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

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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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$199Average$391FlexibilityNo cancel feeOn-time71%
DeltaCheapest$232Average$490FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$234Average$368FlexibilityNo cancel feeOn-time69%

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