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Grand Forks

$313+ Cheap flights from Illinois to Grand Forks (GFK)

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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GFK
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Illinois to Grand Forks

Cheapest flights from Illinois to Grand Forks
Explore the most affordable flight options available from Illinois to Grand Forks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/258:55 am
ORD
-
GFK
1 stop6h 51m
Delta
Sat 3/285:00 am
GFK
-
ORD
1 stop6h 30m
Delta
Deal found 2/10$345
This Delta deal was found by Cheapflights users on 2/9. 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 4/307:16 pm
MDW
-
GFK
1 stop3h 48m
Delta
Sat 5/25:15 am
GFK
-
MDW
1 stop3h 51m
Delta
Deal found 2/9$371
This Delta deal was found by Cheapflights users on 2/9. 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 5/27:07 pm
ORD
-
GFK
1 stop3h 57m
Delta
Mon 5/43:55 pm
GFK
-
ORD
1 stop5h 43m
Delta
Deal found 2/9$371
This Delta deal was found by Cheapflights users on 2/9. 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 4/301:36 pm
ORD
-
GFK
2 stops9h 28m
Delta
Sat 5/25:15 am
GFK
-
ORD
2 stops7h 34m
Delta
Deal found 2/9$381
This Delta deal was found by Cheapflights users on 2/9. 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 5/18:50 am
ORD
-
GFK
1 stop5h 35m
Delta
Sun 5/33:55 pm
GFK
-
ORD
1 stop3h 53m
Delta
Deal found 2/9$397
This Delta deal was found by Cheapflights users on 2/9. 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 5/26:25 am
ORD
-
GFK
1 stop3h 50m
Delta
Sun 5/33:55 pm
GFK
-
ORD
1 stop5h 43m
Delta
Deal found 2/9$401
This Delta deal was found by Cheapflights users on 2/11. 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 7/39:30 am
ORD
-
GFK
1 stop4h 50m
Delta
Mon 7/610:45 am
GFK
-
ORD
1 stop6h 03m
Delta
Deal found 2/11$413
This Delta deal was found by Cheapflights users on 2/9. 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 4/306:25 am
ORD
-
GFK
1 stop3h 50m
Delta
Sun 5/33:55 pm
GFK
-
ORD
1 stop3h 53m
Delta
Deal found 2/9$427
This Delta deal was found by Cheapflights users on 2/9. 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 5/19:31 am
MDW
-
GFK
1 stop4h 54m
Delta
Sun 5/35:15 am
GFK
-
MDW
2 stops7h 28m
Delta
Deal found 2/9$432
This Delta deal was found by Cheapflights users on 2/9. 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 4/301:36 pm
ORD
-
GFK
2 stops9h 28m
Delta
Mon 5/43:55 pm
GFK
-
ORD
1 stop3h 53m
Delta
Deal found 2/9$432
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 2/259:50 am
MDW
-
GFK
1 stop5h 41m
Delta
Sun 3/112:18 pm
GFK
-
MDW
1 stop6h 22m
Delta
Deal found 2/10$452
This Delta deal was found by Cheapflights users on 2/11. 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 2/269:50 am
MDW
-
GFK
1 stop5h 41m
Delta
Mon 3/212:18 pm
GFK
-
MDW
1 stop6h 22m
Delta
Deal found 2/11$457

Find flight deals from Illinois to Grand Forks

Keep the following information in mind while searching for Illinois to Grand Forks flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$345
(Delta)

One-way from

$313
(Delta)
Provider with most accurate pricing for Chicago (CHI)-Grand Forks flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Grand Forks flights.
Search Deals
From Illinois to Grand Forks
Search Deals
One-way flight from Illinois to Grand Forks
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Grand Forks 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 12, 2026.
Use the filters below to find and compare flights from Illinois to Grand Forks that are best for you.

Fly from

Illinois

Fly to

Grand Forks

Route

Depart

Return

Price

ChicagoGrand Forks

ORD - GFK

ORDGFK

Chicago O'Hare Intl

Wed 3/25

8:55 am-3:46 pm

1 stop6h 51m

Grand Forks

Sat 3/28

5:00 am-11:30 am

1 stop6h 30m

$345

ChicagoGrand Forks

MDW - GFK

MDWGFK

Chicago Midway

Fri 5/1

2:12 pm-6:08 pm

1 stop3h 56m

Grand Forks

Sat 5/2

5:15 am-9:06 am

1 stop3h 51m

$371

ChicagoGrand Forks

MDW - GFK

MDWGFK

Chicago Midway

Thu 4/30

7:16 pm-11:04 pm

1 stop3h 48m

Grand Forks

Sat 5/2

5:15 am-9:06 am

1 stop3h 51m

$371

ChicagoGrand Forks

ORD - GFK

ORDGFK

Chicago O'Hare Intl

Sat 5/2

7:07 pm-11:04 pm

1 stop3h 57m

Grand Forks

Mon 5/4

3:55 pm-9:38 pm

1 stop5h 43m

$371

ChicagoGrand Forks

ORD - GFK

ORDGFK

Chicago O'Hare Intl

Sat 5/2

7:07 pm-11:04 pm

1 stop3h 57m

Grand Forks

Sun 5/3

3:55 pm-7:48 pm

1 stop3h 53m

$371

ChicagoGrand Forks

ORD - GFK

ORDGFK

Chicago O'Hare Intl

Fri 5/1

7:09 pm-11:04 pm

1 stop3h 55m

Grand Forks

Sat 5/2

3:55 pm-7:48 pm

1 stop3h 53m

$371

ChicagoGrand Forks

ORD - GFK

ORDGFK

Chicago O'Hare Intl

Thu 4/30

6:25 am-10:15 am

1 stop3h 50m

Grand Forks

Sat 5/2

10:50 am-8:40 pm

2 stops9h 50m

$376

ChicagoGrand Forks

MDW - GFK

MDWGFK

Chicago Midway

Sat 6/20

6:45 pm-11:05 pm

1 stop4h 20m

$313

ChicagoGrand Forks

ORD - GFK

ORDGFK

Chicago O'Hare Intl

Sat 6/20

9:30 am-2:20 pm

1 stop4h 50m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Best time to book a flight from Illinois to Grand Forks

Have a flexible travel schedule? Discover the best time to fly to Grand Forks 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 Grand Forks

What is the cheapest month to book a flight from Illinois to Grand Forks?

Currently, June is the cheapest month in which you can book a flight from Illinois to Grand Forks (average of $199). Flying from Illinois to Grand Forks in July is currently the most expensive (average of $274). 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Grand Forks. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Grand Forks from Illinois?

    If you book a flight to Grand Forks from Illinois, you will be flying to Grand Forks, which is the city’s only airport. Grand Forks (GFK) is located 6.8 mi from the center of Grand Forks.

  • How long is the flight from Illinois to Grand Forks?

    Delta can get you from Illinois to Grand Forks in just under 6h 51m. Your travel time can differ by up to . The distance from Illinois to Grand Forks is about 612 mi.

  • Can I find deals for flights from Illinois to Grand Forks that include hotel bookings?

    Yes. In addition to deals on Illinois to Grand Forks flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Grand Forks?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Grand Forks.

  • Can I find deals for business class flights from Illinois to Grand Forks?

    Yes. Cheapflights offers flight deals from Illinois to Grand Forks 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 Grand Forks?

    Currently, June is the cheapest month in which you can book a flight from Illinois to Grand Forks (average of $199). Flying from Illinois to Grand Forks in July is currently the most expensive (average of $274). 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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