How long is the flight from North Dakota to Illinois?

The flight from North Dakota to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Fargo (a popular airport in North Dakota) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 1h 59m on average. If you fly from Bismarck (another popular airport in North Dakota) to Chicago O'Hare Intl Airport, then the average flight time is 2h 07m.

How many flights depart from North Dakota to Illinois on average per week?

138 flights are operational weekly from North Dakota to Illinois as of August 2025. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.

What is the cheapest airline that flies from North Dakota to Illinois?

Frontier, Delta, and American Airlines are the most popular carriers operating from North Dakota to Illinois

What airlines fly to Illinois?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from North Dakota according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from North Dakota to Illinois on average per day?

As of August 2025, there are 19 flights per day flying from North Dakota to Illinois. The most common time of day flights depart is 7:00AM, with 59% of flights taking off in the afternoon.

When did momondo last update prices for flights from North Dakota to Illinois?

Prices for flights from North Dakota to Illinois were last updated today.

How many operators does momondo search for flights from North Dakota to Illinois?

As of August 2025, there are 3 operators available to choose from for flights from North Dakota to Illinois.

How old do you have to be to fly from North Dakota to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North Dakota to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$89 Cheap Flights from North Dakota to Illinois in 2025

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Find the cheapest flights from North Dakota to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:40 pm - 11:53 pmFAR-ORD

8h 13m1 stop

7:20 am - 2:51 pmORD-FAR

7h 31m1 stop

$178Frontier

Find Deal

Tue, Oct 7 - Tue, Oct 14

3:40 pm - 11:53 pmFAR-ORD

8h 13m1 stop

6:00 am - 1:46 pmORD-FAR

7h 46m1 stop

$188Frontier

Find Deal

Tue, Oct 21 - Mon, Oct 27

2:31 pm - 9:11 amFAR-STL

18h 40m1 stop

7:54 pm - 1:46 pmSTL-FAR

17h 52m1 stop

$195Frontier

Find Deal

Thu, Aug 21 - Wed, Aug 27

3:18 pm - 9:11 amFAR-STL

17h 53m1 stop

7:54 pm - 1:46 pmSTL-FAR

17h 52m1 stop

$197Frontier

Find Deal

Wed, Aug 20 - Sun, Aug 24

1:27 pm - 3:41 pmBIS-ORD

2h 14mnonstop

10:33 am - 12:57 pmORD-BIS

2h 24mnonstop

$199American Airlines

Find Deal

Wed, Oct 8 - Wed, Oct 15

5:41 pm - 7:48 pmFAR-ORD

2h 07mnonstop

3:13 pm - 5:11 pmORD-FAR

1h 58mnonstop

$209American Airlines

Find Deal

Fri, Sep 19 - Sat, Sep 20

7:30 am - 1:08 pmBIS-MDW

5h 38m1 stop

1:48 pm - 7:37 pmMDW-BIS

5h 49m1 stop

$219Delta

Find Deal

Tue, Oct 21 - Tue, Oct 28

11:20 am - 4:50 pmBIS-ORD

5h 30m1 stop

6:08 am - 12:34 pmORD-BIS

6h 26m1 stop

$219Delta

Find Deal

Tue, Oct 21 - Tue, Oct 28

7:30 am - 9:40 amFAR-ORD

2h 10mnonstop

7:45 pm - 10:00 pmORD-FAR

2h 15mnonstop

$232United Airlines

Find Deal

Fri, Aug 29 - Mon, Sep 1

5:20 pm - 11:53 pmBIS-STL

6h 33m1 stop

4:40 pm - 11:39 pmSTL-BIS

6h 59m1 stop

$319United Airlines

Find Deal

Thu, Aug 28 - Sat, Aug 30

Frontier flights from North Dakota to Illinois

Our best Frontier deals on North Dakota to Illinois flight tickets

Frontier

Oct 7

FAR3:40 pmFargo Hector Field

8h 13m

1 stop

ORD11:53 pmChicago O'Hare Intl

Oct 14

ORD7:20 amChicago O'Hare Intl

7h 31m

1 stop

FAR2:51 pmFargo Hector Field

$178

Find similar

Frontier

Oct 21

FAR3:40 pmFargo Hector Field

8h 13m

1 stop

ORD11:53 pmChicago O'Hare Intl

Oct 27

ORD6:00 amChicago O'Hare Intl

7h 46m

1 stop

FAR1:46 pmFargo Hector Field

$188

Find similar

Frontier

Aug 21

FAR2:31 pmFargo Hector Field

18h 40m

1 stop

STL9:11 amLambert-St Louis

Aug 27

STL7:54 pmLambert-St Louis

17h 52m

1 stop

FAR1:46 pmFargo Hector Field

$195

Find similar

American Airlines flights from North Dakota to Illinois

Our best American Airlines deals on North Dakota to Illinois flight tickets

American Airlines

Oct 8

BIS1:27 pmBismarck

2h 14m

ORD3:41 pmChicago O'Hare Intl

Oct 15

ORD10:33 amChicago O'Hare Intl

2h 24m

BIS12:57 pmBismarck

$199

Find similar

American Airlines

Sep 19

FAR5:41 pmFargo Hector Field

2h 07m

ORD7:48 pmChicago O'Hare Intl

Sep 20

ORD3:13 pmChicago O'Hare Intl

1h 58m

FAR5:11 pmFargo Hector Field

$209

Find similar

American Airlines

Sep 12

FAR5:41 pmFargo Hector Field

2h 07m

ORD7:48 pmChicago O'Hare Intl

Sep 15

ORD10:00 pmChicago O'Hare Intl

1h 59m

FAR11:59 pmFargo Hector Field

$210

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Tue 10/7

3:40 pm-11:53 pm

1 stop8h 13m

Chicago O'Hare Intl

Tue 10/14

7:20 am-2:51 pm

1 stop7h 31m

$178

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Tue 10/21

3:40 pm-11:53 pm

1 stop8h 13m

Chicago O'Hare Intl

Mon 10/27

6:00 am-1:46 pm

1 stop7h 46m

$188

FargoSt. Louis

FAR - STL

FARSTL

Fargo Hector Field

Thu 8/21

2:31 pm-9:11 am

1 stop18h 40m

Lambert-St Louis

Wed 8/27

7:54 pm-1:46 pm

1 stop17h 52m

$195

FargoSt. Louis

FAR - STL

FARSTL

Fargo Hector Field

Wed 8/20

3:18 pm-9:11 am

1 stop17h 53m

Lambert-St Louis

Sun 8/24

7:54 pm-1:46 pm

1 stop17h 52m

$197

BismarckChicago

BIS - ORD

BISORD

Bismarck

Wed 10/8

1:27 pm-3:41 pm

Nonstop2h 14m

Chicago O'Hare Intl

Wed 10/15

10:33 am-12:57 pm

Nonstop2h 24m

$199

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Fri 9/19

5:41 pm-7:48 pm

Nonstop2h 07m

Chicago O'Hare Intl

Sat 9/20

3:13 pm-5:11 pm

Nonstop1h 58m

$209

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Tue 10/21

7:30 am-1:08 pm

1 stop5h 38m

Chicago Midway

Tue 10/28

1:48 pm-7:37 pm

1 stop5h 49m

$219

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 10/21

11:20 am-4:50 pm

1 stop5h 30m

Chicago O'Hare Intl

Tue 10/28

6:08 am-12:34 pm

1 stop6h 26m

$219

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Fri 8/29

7:30 am-9:40 am

Nonstop2h 10m

Chicago O'Hare Intl

Mon 9/1

7:45 pm-10:00 pm

Nonstop2h 15m

$232

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 8/28

5:20 pm-11:53 pm

1 stop6h 33m

Lambert-St Louis

Sat 8/30

4:40 pm-11:39 pm

1 stop6h 59m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from North Dakota to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from North Dakota is in January. Flight prices, which tend to average around $261, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $269.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from North Dakota to Illinois is on a Wednesday when prices can be found for as low as $463. Flights from North Dakota to Illinois on a Sunday will generally be more expensive and average around $651. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from North Dakota to Illinois during this time can be as low as $290. Flights at noon are often more expensive with an average ticket price of $661.

What is the cheapest North Dakota to Illinois flight route?

Fly from Bismarck to Chicago O'Hare Intl for the best North Dakota - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from North Dakota when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $323 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from North Dakota for as low as $222 on momondo.

What cabin class options are available on North Dakota to Illinois flights?

There are 4 cabin classes available to choose from on North Dakota to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on North Dakota to Illinois flights?

You could potentially save up to 39% on your flight if you consider stops on a North Dakota to Illinois flight.

Cheap North Dakota to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North Dakota to Illinois

Best Price Found	$89
Fastest flight time	1h 55m
Direct flights	Every day
Airports in Illinois	3 airports

The best one-way flight to Illinois from North Dakota in the past 72 hours is $89. The best round-trip flight deal from North Dakota to Illinois found on momondo in the last 72 hours is $178.

The fastest flight from North Dakota to Illinois takes 1h 55m

Direct flights go from North Dakota to Illinois every day.

There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from North Dakota to Illinois?
Prices for flights from North Dakota to Illinois were last updated today.
How many operators does momondo search for flights from North Dakota to Illinois?
As of August 2025, there are 3 operators available to choose from for flights from North Dakota to Illinois.
How old do you have to be to fly from North Dakota to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North Dakota to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from North Dakota to Illinois?
Based on momondo bookings for flights between North Dakota and Illinois, the leading plane model is Canadair (Bombardier) Regional Jet, making up 27.73% of the total bookings. Other popular models include Embraer 170 with 27.38%, Canadair (Bombardier) Regional Jet CRJ-550 with 24.09%, and Embraer 175 with 10.40%.

Best airlines flying from North Dakota to Illinois

Compare and see reviews for airlines that fly from North Dakota to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $218	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
United Airlines	PriceFrom $229	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from North Dakota to Illinois?

It is quick and easy to find North Dakota to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from North Dakota to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from North Dakota with this policy.

How can momondo help me find flights from North Dakota to Illinois?

Once all potential North Dakota to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from North Dakota to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from North Dakota to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Illinois

Popular cities in Illinois

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Cheap flights from North Dakota to Illinois from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North Dakota to Illinois departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Trusted and free

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Find the cheapest flights from North Dakota to Illinois

Cheap round-trip flights

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Cheap last minute flights

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Frontier flights from North Dakota to Illinois

Our best Frontier deals on North Dakota to Illinois flight tickets

American Airlines flights from North Dakota to Illinois

Our best American Airlines deals on North Dakota to Illinois flight tickets

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

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How to get the cheapest flight ticket from North Dakota to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from North Dakota to Illinois during this time can be as low as $290. Flights at noon are often more expensive with an average ticket price of $661.

What is the cheapest North Dakota to Illinois flight route?

Fly from Bismarck to Chicago O'Hare Intl for the best North Dakota - Illinois flight prices

How far in advance should I book a flight to Illinois?

What cabin class options are available on North Dakota to Illinois flights?

There are 4 cabin classes available to choose from on North Dakota to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on North Dakota to Illinois flights?

You could potentially save up to 39% on your flight if you consider stops on a North Dakota to Illinois flight.

What is the cheapest airline that flies from North Dakota to Illinois?

Frontier, Delta, and American Airlines are the most popular carriers operating from North Dakota to Illinois

What airlines fly to Illinois?

How many flights depart from North Dakota to Illinois on average per day?

As of August 2025, there are 19 flights per day flying from North Dakota to Illinois. The most common time of day flights depart is 7:00AM, with 59% of flights taking off in the afternoon.

How many flights depart from North Dakota to Illinois on average per week?

138 flights are operational weekly from North Dakota to Illinois as of August 2025. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.

How long is the flight from North Dakota to Illinois?

Cheap North Dakota to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North Dakota to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from North Dakota to Illinois?

How many operators does momondo search for flights from North Dakota to Illinois?

How old do you have to be to fly from North Dakota to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from North Dakota to Illinois?

Best airlines flying from North Dakota to Illinois

Compare and see reviews for airlines that fly from North Dakota to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from North Dakota to Illinois?

Can I find flights from North Dakota to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from North Dakota to Illinois?

I’m not ready to book a flight from North Dakota to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo