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Cheap flights from North Dakota to Illinois from $98

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 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from North Dakota to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 pm - 8:16 pm
FAR
-
ORD
2h 16mnonstop
United Airlines Logo
9:15 pm - 11:24 pm
ORD
-
FAR
2h 09mnonstop
$209United Airlines
Fri, Apr 17 - Mon, Apr 20
Delta Logo
5:00 am - 8:40 am
FAR
-
ORD
3h 40m
1 stop
Delta Logo
6:15 am - 10:18 am
ORD
-
FAR
4h 03m
1 stop
$229Delta
Fri, Feb 27 - Sun, Mar 1
Delta Logo
5:00 am - 8:51 am
FAR
-
MDW
3h 51m
1 stop
Delta Logo
7:16 pm - 11:12 pm
MDW
-
FAR
3h 56m
1 stop
$229Delta
Thu, Apr 30 - Sun, May 3
Delta Logo
5:00 am - 1:01 pm
FAR
-
ORD
8h 01m
2 stops
Delta Logo
8:05 pm - 12:03 am
ORD
-
FAR
3h 58m
1 stop
$234Delta
Thu, May 28 - Sun, May 31
United Airlines Logo
6:25 pm - 8:25 pm
FAR
-
ORD
2h 00mnonstop
United Airlines Logo
9:15 pm - 11:30 pm
ORD
-
FAR
2h 15mnonstop
$239United Airlines
Fri, Feb 20 - Sun, Feb 22
United Airlines Logo
5:45 am - 7:58 am
FAR
-
ORD
2h 13mnonstop
United Airlines Logo
8:50 am - 11:02 am
ORD
-
FAR
2h 12mnonstop
$248United Airlines
Thu, Jul 2 - Sun, Jul 5
American Airlines Logo
2:17 pm - 4:23 pm
FAR
-
ORD
2h 06mnonstop
American Airlines Logo
10:10 pm - 12:16 am
ORD
-
FAR
2h 06mnonstop
$254American Airlines
Thu, Apr 23 - Mon, Apr 27
Delta Logo
10:20 am - 4:14 pm
BIS
-
MDW
5h 54m
1 stop
Delta Logo
2:05 pm - 8:19 pm
MDW
-
BIS
6h 14m
1 stop
$255Delta
Sat, Mar 7 - Wed, Mar 11
Delta Logo
5:26 pm - 9:30 pm
BIS
-
ORD
4h 04m
1 stop
Delta Logo
3:59 pm - 8:19 pm
ORD
-
BIS
4h 20m
1 stop
$255Delta
Sat, Mar 7 - Wed, Mar 11
American Airlines Logo
7:30 pm - 9:36 pm
FAR
-
ORD
2h 06mnonstop
American Airlines Logo
4:54 pm - 6:59 pm
ORD
-
FAR
2h 05mnonstop
$264American Airlines
Fri, Mar 27 - Sun, Mar 29

United Airlines flights from North Dakota to Illinois

Our best United Airlines deals on North Dakota to Illinois flight tickets
United Airlines
Apr 17
FAR6:00 pmFargo Hector Field
2h 16m
ORD8:16 pmChicago O'Hare Intl
Apr 19
ORD9:15 pmChicago O'Hare Intl
2h 09m
FAR11:24 pmFargo Hector Field
$209
United Airlines
Feb 20
FAR6:25 pmFargo Hector Field
2h 00m
ORD8:25 pmChicago O'Hare Intl
Feb 22
ORD9:15 pmChicago O'Hare Intl
2h 15m
FAR11:30 pmFargo Hector Field
$239
United Airlines
Jul 2
FAR5:45 amFargo Hector Field
2h 13m
ORD7:58 amChicago O'Hare Intl
Jul 5
ORD8:50 amChicago O'Hare Intl
2h 12m
FAR11:02 amFargo Hector Field
$248

American Airlines flights from North Dakota to Illinois

Our best American Airlines deals on North Dakota to Illinois flight tickets
American Airlines
Apr 23
FAR2:17 pmFargo Hector Field
2h 06m
ORD4:23 pmChicago O'Hare Intl
Apr 27
ORD10:10 pmChicago O'Hare Intl
2h 06m
FAR12:16 amFargo Hector Field
$254
American Airlines
Mar 27
FAR7:30 pmFargo Hector Field
2h 06m
ORD9:36 pmChicago O'Hare Intl
Mar 29
ORD4:54 pmChicago O'Hare Intl
2h 05m
FAR6:59 pmFargo Hector Field
$264
American Airlines
Feb 23
FAR7:34 pmFargo Hector Field
2h 06m
ORD9:40 pmChicago O'Hare Intl
Feb 28
ORD4:45 pmChicago O'Hare Intl
2h 05m
FAR6:50 pmFargo Hector Field
$273

momondo Fare Finder

 
Customize your flight search to find flights from North Dakota to Illinois 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from North Dakota to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Fri 4/17

6:00 pm-8:16 pm

Nonstop2h 16m

Chicago O'Hare Intl

Mon 4/20

9:15 pm-11:24 pm

Nonstop2h 09m

$209

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Fri 2/27

5:00 am-8:40 am

1 stop3h 40m

Chicago O'Hare Intl

Sun 3/1

6:15 am-10:18 am

1 stop4h 03m

$229

FargoChicago

FAR - MDW

FARMDW

Fargo Hector Field

Thu 4/30

5:00 am-8:51 am

1 stop3h 51m

Chicago Midway

Sun 5/3

7:16 pm-11:12 pm

1 stop3h 56m

$229

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Thu 5/28

5:00 am-1:01 pm

2 stops8h 01m

Chicago O'Hare Intl

Sun 5/31

8:05 pm-12:03 am

1 stop3h 58m

$234

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Fri 2/20

6:25 pm-8:25 pm

Nonstop2h 00m

Chicago O'Hare Intl

Sun 2/22

9:15 pm-11:30 pm

Nonstop2h 15m

$239

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Thu 7/2

5:45 am-7:58 am

Nonstop2h 13m

Chicago O'Hare Intl

Sun 7/5

8:50 am-11:02 am

Nonstop2h 12m

$248

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Thu 4/23

2:17 pm-4:23 pm

Nonstop2h 06m

Chicago O'Hare Intl

Mon 4/27

10:10 pm-12:16 am

Nonstop2h 06m

$254

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Sat 3/7

10:20 am-4:14 pm

1 stop5h 54m

Chicago Midway

Wed 3/11

2:05 pm-8:19 pm

1 stop6h 14m

$255

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 3/7

5:26 pm-9:30 pm

1 stop4h 04m

Chicago O'Hare Intl

Wed 3/11

3:59 pm-8:19 pm

1 stop4h 20m

$255

FargoChicago

FAR - ORD

FARORD

Fargo Hector Field

Fri 3/27

7:30 pm-9:36 pm

Nonstop2h 06m

Chicago O'Hare Intl

Sun 3/29

4:54 pm-6:59 pm

Nonstop2h 05m

$264

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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?

The cheapest month to fly to Illinois from North Dakota is in January. Flight prices, which tend to average around $243, 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 September is also cheap. Prices for this month can be found on momondo for an average of $249.

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 Thursday when prices can be found for as low as $452. Flights from North Dakota to Illinois on a Sunday will generally be more expensive and average around $674. 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 $440. Flights at noon are often more expensive with an average ticket price of $643.

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 $308 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 $246 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 24% 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

$213

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from North Dakota in the past 72 hours is $213. The best round-trip flight deal from North Dakota to Illinois found on momondo in the last 72 hours is $376.
The fastest flight from North Dakota to Illinois takes 2h 00m
Direct flights go from North Dakota to Illinois every day.
There are 98 airports in Illinois. From North Dakota there are direct flights to Chicago O'Hare Intl (ORD).
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?

  • 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?

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
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $209Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,138 reviews
Search Delta 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.

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