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North Dakota

$56+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$148
(Mytrip)

One-way from

$56
(Frontier)

Popular in

January

Cheapest in

December

Average price

$411

Good round-trip deal

$279 or less

Good one-way deal

$139 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. 11% potential increase in price ($46 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 February 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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:40 amMDW - FAR
1 stop12h 16mFrontier
Fri 3/217:56 pmFAR - MDW
1 stop28h 21mFrontier
Deal found 2/20$148
This Frontier deal was found by Cheapflights users on 2/20. 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 4/66:45 amORD - FAR
1 stop12h 09mFrontier
Sun 4/132:30 pmFAR - ORD
1 stop9h 40mFrontier
Deal found 2/20$149
This Delta deal was found by Cheapflights users on 2/19. 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 4/510:20 amORD - BIS
1 stop4h 14mDelta
Sat 4/123:20 pmBIS - ORD
1 stop6h 25mDelta
Deal found 2/19$199
This Delta deal was found by Cheapflights users on 2/20. 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 3/227:13 pmMDW - BIS
1 stop4h 20mDelta
Sat 3/2911:48 amBIS - MDW
1 stop6h 45mDelta
Deal found 2/20$249
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/58:55 pmORD - FAR
Nonstop2h 04mAmerican Airlines
Sat 4/125:05 amFAR - ORD
Nonstop1h 54mAmerican Airlines
Deal found 2/19$254
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/58:45 amORD - FAR
Nonstop2h 13mUnited Airlines
Sat 4/1210:35 amFAR - ORD
Nonstop2h 10mUnited Airlines
Deal found 2/19$255
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/75:55 amSTL - FAR
1 stop5h 49mAmerican Airlines
Tue 3/115:00 pmFAR - STL
1 stop5h 44mAmerican Airlines
Deal found 2/20$259
This Delta deal was found by Cheapflights users on 2/19. 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 3/66:00 amSTL - BIS
1 stop4h 55mDelta
Mon 3/105:36 pmBIS - STL
1 stop5h 27mDelta
Deal found 2/19$259
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/67:04 amSTL - BIS
1 stop7h 16mAmerican Airlines
Mon 3/102:40 pmBIS - STL
2 stops9h 16mAmerican Airlines
Deal found 2/19$264
This Delta deal was found by Cheapflights users on 2/19. 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 4/56:15 amORD - FAR
1 stop6h 19mDelta
Sat 4/1211:04 amFAR - ORD
1 stop6h 23mDelta
Deal found 2/19$275
This Delta deal was found by Cheapflights users on 2/19. 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 4/57:13 pmMDW - FAR
1 stop3h 52mDelta
Sat 4/126:15 amFAR - MDW
1 stop4h 27mDelta
Deal found 2/19$275
This American Airlines deal was found by Cheapflights users on 2/19. 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 6/1210:20 amORD - BIS
Nonstop2h 20mAmerican Airlines
Sat 6/141:20 pmBIS - ORD
Nonstop2h 07mAmerican Airlines
Deal found 2/19$300

Find flights from Illinois to North Dakota within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

North Dakota

Route

Depart

Return

Price

ChicagoFargo

MDW - FAR

MDWFAR

Chicago Midway

Wed 3/19

6:40 am-6:56 pm

1 stop12h 16m

Fargo Hector Field

Fri 3/21

7:56 pm-12:17 am

1 stop28h 21m

$148

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sun 4/6

6:45 am-6:54 pm

1 stop12h 09m

Fargo Hector Field

Sun 4/13

2:30 pm-12:10 am

1 stop9h 40m

$149

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Sat 4/5

10:20 am-2:34 pm

1 stop4h 14m

Bismarck

Sat 4/12

3:20 pm-9:45 pm

1 stop6h 25m

$199

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Sat 3/22

7:13 pm-11:33 pm

1 stop4h 20m

Bismarck

Sat 3/29

11:48 am-6:33 pm

1 stop6h 45m

$249

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sat 4/5

8:55 pm-10:59 pm

Nonstop2h 04m

Fargo Hector Field

Sat 4/12

5:05 am-6:59 am

Nonstop1h 54m

$254

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sat 4/5

8:45 am-10:58 am

Nonstop2h 13m

Fargo Hector Field

Sat 4/12

10:35 am-12:45 pm

Nonstop2h 10m

$255

St. LouisFargo

STL - FAR

STLFAR

Lambert-St Louis

Fri 3/7

5:55 am-11:44 am

1 stop5h 49m

Fargo Hector Field

Tue 3/11

5:00 pm-10:44 pm

1 stop5h 44m

$259

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Thu 3/6

6:00 am-10:55 am

1 stop4h 55m

Bismarck

Mon 3/10

5:36 pm-11:03 pm

1 stop5h 27m

$259

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Thu 3/6

7:04 am-2:20 pm

1 stop7h 16m

Bismarck

Mon 3/10

2:40 pm-11:56 pm

2 stops9h 16m

$264

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sat 4/5

6:15 am-12:34 pm

1 stop6h 19m

Fargo Hector Field

Sat 4/12

11:04 am-5:27 pm

1 stop6h 23m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 31 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.

Travel insights for flights from Illinois to North Dakota

Get recent, data-driven insights about flights from Illinois to North Dakota including ideal travel times, pricing trends, and more.

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 March is currently the most expensive (average of $468). 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 February 20, 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 February 20, 2025.

The most flights from USIL to USND are scheduled on a Thursday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 February 20, 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
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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
3,355 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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 $56 on Frontier. Other airlines that offer cheap prices include Delta from $100 and American Airlines from $140 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 March is currently the most expensive (average of $468). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$199Average$458FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$361FlexibilityNo cancel feeOn-time69%
DeltaCheapest$232Average$490FlexibilityNo cancel feeOn-timeN/A
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