North Dakota

$125+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAR
Jun 7 — Jun 141
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to North Dakota with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 May 8, 2026.

This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:37 pm
ORD
-
FAR
1 stop16h 09m
Frontier
Fri 5/292:31 pm
FAR
-
ORD
1 stop6h 01m
Frontier
Deal found 5/4$195
This Frontier deal was found by Cheapflights users on 5/5. 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 5/299:37 pm
ORD
-
FAR
1 stop15h 42m
Frontier
Mon 6/12:31 pm
FAR
-
ORD
1 stop6h 01m
Frontier
Deal found 5/5$231
This Mytrip deal was found by Cheapflights users on 5/7. 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.
Thu 5/289:37 pm
ORD
-
FAR
1 stop16h 09m
Frontier
Sat 5/302:04 pm
FAR
-
ORD
1 stop6h 28m
Frontier
Deal found 5/7$261
This Booking.com deal was found by Cheapflights users on 5/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:37 pm
ORD
-
FAR
1 stop16h 09m
Frontier
Sat 6/62:04 pm
FAR
-
ORD
1 stop6h 28m
Frontier
Deal found 5/6$262
This American Airlines deal was found by Cheapflights users on 5/6. 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 5/299:00 pm
ORD
-
FAR
Nonstop2h 06m
American Airlines
Sat 5/3012:12 pm
FAR
-
ORD
Nonstop2h 08m
American Airlines
Deal found 5/6$269
This American Airlines deal was found by Cheapflights users on 5/6. 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 5/299:00 pm
ORD
-
FAR
Nonstop2h 06m
American Airlines
Mon 6/15:00 am
FAR
-
ORD
Nonstop2h 05m
American Airlines
Deal found 5/6$270
This American Airlines deal was found by Cheapflights users on 5/5. 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 5/298:19 am
ORD
-
FAR
1 stop8h 50m
American Airlines
Tue 6/95:00 am
FAR
-
ORD
Nonstop2h 09m
American Airlines
Deal found 5/5$279
This Delta deal was found by Cheapflights users on 5/6. 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 5/298:05 pm
ORD
-
FAR
1 stop3h 54m
Delta
Sat 5/305:00 am
FAR
-
ORD
1 stop3h 36m
Delta
Deal found 5/6$289
This Delta deal was found by Cheapflights users on 5/5. 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 6/191:49 pm
MDW
-
FAR
1 stop5h 44m
Delta
Fri 6/261:15 pm
FAR
-
MDW
1 stop5h 03m
Delta
Deal found 5/5$289
This Delta deal was found by Cheapflights users on 5/6. 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 5/297:13 pm
MDW
-
FAR
1 stop4h 46m
Delta
Sat 5/305:00 am
FAR
-
MDW
2 stops7h 42m
Delta
Deal found 5/6$294
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Tue 6/99:45 am
ORD
-
BIS
Nonstop2h 32m
American Airlines
Sat 6/1312:47 pm
BIS
-
ORD
Nonstop2h 24m
American Airlines
Deal found 5/8$295
This Delta deal was found by Cheapflights users on 5/5. 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 5/295:36 pm
STL
-
FAR
1 stop6h 23m
Delta
Tue 6/25:17 pm
FAR
-
STL
1 stop6h 04m
Delta
Deal found 5/5$297

Find 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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$195
(CheapOair)

One-way from

$125
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$261

Good round-trip deal

$269 or less

Good one-way deal

$253 or less
Provider with most accurate pricing for Chicago (CHI)-Fargo Hector Field flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Fargo Hector Field flights.
From Illinois to North Dakota
One-way flight from Illinois to North Dakota
Highest demand for flights based on searches. 23% potential increase in price ($106 potential increase over avg. RT price).
Cheapest flight prices on average. 11% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Illinois to North Dakota.
Price to beat on a one-way flight from Illinois to North Dakota.

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 May 8, 2026.
Use the filters below to find and compare flights from Illinois to North Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 6/12

1:59 pm-4:05 pm

Nonstop2h 06m

Fargo Hector Field

Sun 6/14

5:00 am-7:09 am

Nonstop2h 09m

$269

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Sat 6/20

9:30 pm-11:44 pm

Nonstop2h 14m

Fargo Hector Field

Mon 6/22

5:45 pm-7:55 pm

Nonstop2h 10m

$269

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Thu 5/28

8:05 pm-11:59 pm

1 stop3h 54m

Fargo Hector Field

Sat 5/30

5:00 am-8:36 am

1 stop3h 36m

$289

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 6/12

8:21 pm-11:57 pm

1 stop3h 36m

Fargo Hector Field

Sun 6/14

5:00 am-8:35 am

1 stop3h 35m

$289

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 5/29

8:05 pm-11:59 pm

1 stop3h 54m

Fargo Hector Field

Sat 5/30

5:00 am-8:36 am

1 stop3h 36m

$289

ChicagoFargo

MDW - FAR

MDWFAR

Chicago Midway

Fri 6/19

1:49 pm-7:33 pm

1 stop5h 44m

Fargo Hector Field

Fri 6/26

1:15 pm-6:18 pm

1 stop5h 03m

$289

ChicagoFargo

ORD - FAR

ORDFAR

Chicago O'Hare Intl

Fri 6/5

3:47 pm-7:54 pm

1 stop4h 07m

Fargo Hector Field

Sat 6/6

5:00 am-12:56 pm

2 stops7h 56m

$294

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Tue 9/15

9:40 am-12:05 pm

Nonstop2h 25m

Bismarck

Tue 9/22

1:57 pm-4:10 pm

Nonstop2h 13m

$295

St. LouisFargo

STL - FAR

STLFAR

Lambert-St Louis

Fri 5/29

5:36 pm-11:59 pm

1 stop6h 23m

Fargo Hector Field

Tue 6/2

5:17 pm-11:21 pm

1 stop6h 04m

$297

ChicagoMinot

ORD - MOT

ORDMOT

Chicago O'Hare Intl

Fri 6/12

3:55 pm-8:06 pm

1 stop4h 11m

Minot

Sun 6/14

5:23 pm-9:25 pm

1 stop4h 02m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, July is the cheapest month in which you can book a flight from Illinois to North Dakota (average of $145). Flying from Illinois to North Dakota in February is currently the most expensive (average of $229). 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 May 8, 2026.

A simple way to save on the total cost of your ticket is to fly from Illinois to North Dakota at noon. If you’re flexible enough to do this you can expect to save up to 3% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Illinois to North Dakota?

Use this chart to determine the cheapest time to fly round-trip from Illinois to North Dakota. Price data was last updated on May 2, 2026.

Travelers seeking maximum savings on their Illinois to North Dakota flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 May 8, 2026.

The most flights from USIL to USND are scheduled on a Monday (24 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost to fly round-trip from Illinois to North Dakota?

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 May 8, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican 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.

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 $269, American Airlines can have you in North Dakota from Illinois in 2h 06m. 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 $142 on United Airlines. Other airlines that offer cheap prices include American Airlines from $183 and Delta from $233 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, July is the cheapest month in which you can book a flight from Illinois to North Dakota (average of $145). Flying from Illinois to North Dakota in February is currently the most expensive (average of $229). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to North Dakota

See prices for flight routes from nearby airports that may be better suited for you.

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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$364FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$215Average$371FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$229Average$353FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.