What airlines fly to Illinois?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Grand Forks according to our data. American Airlines is the first choice among our users, with 59% 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.

What is the cheapest airline that flies from Grand Forks to Illinois?

Delta is the most popular carrier operating from Grand Forks to Illinois

When did momondo last update prices for flights from Grand Forks Airport to Illinois?

Prices for flights from Grand Forks Airport to Illinois refresh daily.

How many operators does momondo search for flights from Grand Forks Airport to Illinois?

The number of operators available for flights from Grand Forks Airport to Illinois is 1 as of December 2025.

How old do you have to be to fly from Grand Forks Airport to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Grand Forks Airport to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$305 Cheap Flights from Grand Forks to Illinois in 2025/26

1 adult

0 bags

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Find the cheapest flights from Grand Forks to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:19 pm - 5:55 pm

GFK

ORD

5h 36m1 stop

6:15 am - 11:39 am

ORD

GFK

5h 24m1 stop

$386Delta

Tue, Jan 20 - Fri, Jan 30

12:19 pm - 5:55 pm

GFK

ORD

5h 36m1 stop

1:58 pm - 11:12 pm

ORD

GFK

9h 14m2 stops

$543Delta

Tue, Jan 20 - Fri, Jan 30

4:02 pm - 9:43 pm

GFK

ORD

5h 41m1 stop

8:50 am - 3:22 pm

ORD

GFK

6h 32m1 stop

$737Delta

Mon, Jan 5 - Fri, Jan 9

12:19 pm - 6:32 pm

GFK

MDW

6h 13m1 stop

9:50 am - 3:22 pm

MDW

GFK

5h 32m1 stop

$737Delta

Mon, Jan 5 - Fri, Jan 9

5:00 am - 1:18 pm

GFK

ORD

8h 18m2 stops

1:58 pm - 11:12 pm

ORD

GFK

9h 14m2 stops

$749Delta

Tue, Jan 20 - Fri, Jan 30

5:00 am - 12:48 pm

GFK

MDW

7h 48m2 stops

9:50 am - 3:22 pm

MDW

GFK

5h 32m1 stop

$823Delta

Mon, Jan 5 - Fri, Jan 9

4:02 pm - 9:43 pm

GFK

ORD

5h 41m1 stop

1:55 pm - 11:12 pm

ORD

GFK

9h 17m2 stops

$918Delta

Mon, Jan 5 - Fri, Jan 9

5:00 am - 1:08 pm

GFK

ORD

8h 08m2 stops

1:55 pm - 11:12 pm

ORD

GFK

9h 17m2 stops

$1,029Delta

Mon, Jan 5 - Fri, Jan 9

Delta flights from Grand Forks to Illinois

Our best Delta deals on Grand Forks to Illinois flight tickets

Delta

Jan 20

GFK12:19 pmGrand Forks

5h 36m

1 stop

ORD5:55 pmChicago O'Hare Intl

Jan 30

ORD6:15 amChicago O'Hare Intl

5h 24m

1 stop

GFK11:39 amGrand Forks

$386

Find similar

Delta

Jan 20

GFK12:19 pmGrand Forks

5h 36m

1 stop

ORD5:55 pmChicago O'Hare Intl

Jan 30

ORD1:58 pmChicago O'Hare Intl

9h 14m

2 stops

GFK11:12 pmGrand Forks

$543

Find similar

Delta

Dec 23

GFK12:17 pmGrand Forks

5h 30m

1 stop

ORD5:47 pmChicago O'Hare Intl

Dec 29

ORD6:35 amChicago O'Hare Intl

5h 02m

1 stop

GFK11:37 amGrand Forks

$572

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Grand ForksChicago

GFK - ORD

GFKORD

Grand Forks

Tue 1/20

12:19 pm-5:55 pm

1 stop5h 36m

Chicago O'Hare Intl

Fri 1/30

6:15 am-11:39 am

1 stop5h 24m

$386

Grand ForksChicago

GFK - ORD

GFKORD

Grand Forks

Tue 1/20

12:19 pm-5:55 pm

1 stop5h 36m

Chicago O'Hare Intl

Fri 1/30

1:58 pm-11:12 pm

2 stops9h 14m

$543

Grand ForksChicago

GFK - ORD

GFKORD

Grand Forks

Mon 1/5

4:02 pm-9:43 pm

1 stop5h 41m

Chicago O'Hare Intl

Fri 1/9

8:50 am-3:22 pm

1 stop6h 32m

$737

Grand ForksChicago

GFK - MDW

GFKMDW

Grand Forks

Mon 1/5

12:19 pm-6:32 pm

1 stop6h 13m

Chicago Midway

Fri 1/9

9:50 am-3:22 pm

1 stop5h 32m

$737

Grand ForksChicago

GFK - ORD

GFKORD

Grand Forks

Tue 1/20

5:00 am-1:18 pm

2 stops8h 18m

Chicago O'Hare Intl

Fri 1/30

1:58 pm-11:12 pm

2 stops9h 14m

$749

Grand ForksChicago

GFK - MDW

GFKMDW

Grand Forks

Mon 1/5

5:00 am-12:48 pm

2 stops7h 48m

Chicago Midway

Fri 1/9

9:50 am-3:22 pm

1 stop5h 32m

$823

Grand ForksChicago

GFK - ORD

GFKORD

Grand Forks

Mon 1/5

4:02 pm-9:43 pm

1 stop5h 41m

Chicago O'Hare Intl

Fri 1/9

1:55 pm-11:12 pm

2 stops9h 17m

$918

Grand ForksChicago

GFK - ORD

GFKORD

Grand Forks

Mon 1/5

5:00 am-1:08 pm

2 stops8h 08m

Chicago O'Hare Intl

Fri 1/9

1:55 pm-11:12 pm

2 stops9h 17m

$1,029

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Sat 1/10

4:02 pm-11:39 pm

2 stops7h 37m

$305

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Sat 1/10

2:08 pm-8:05 am

3 stops41h 57m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Grand Forks 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

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

The cheapest day to depart from Grand Forks to Illinois is on a Tuesday when prices can be found for as low as $478. Flights from Grand Forks to Illinois on a Thursday will generally be more expensive and average around $722. 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 morning. Flights from Grand Forks to Illinois during this time can be as low as $486. Flights in the afternoon are often more expensive with an average ticket price of $518.

Cheap Grand Forks to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Grand Forks to Illinois

Fastest flight time	4h 36m
Direct flights	None

The fastest flight from Grand Forks to Illinois takes 4h 36m

There are no direct flights from Grand Forks to Illinois. There are no popular flight routes from Grand Forks to Illinois.

Search flight deals

When did momondo last update prices for flights from Grand Forks Airport to Illinois?
Prices for flights from Grand Forks Airport to Illinois refresh daily.
How many operators does momondo search for flights from Grand Forks Airport to Illinois?
The number of operators available for flights from Grand Forks Airport to Illinois is 1 as of December 2025.
How old do you have to be to fly from Grand Forks Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Grand Forks Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Grand Forks to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Grand Forks to Illinois for you.

Can I find flights from Grand Forks to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Grand Forks which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Grand Forks to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Grand Forks to Illinois.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Grand Forks and alert you when they change.