$155+ Cheap flights from Grand Forks (GFK) to Illinois
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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
GFK — ORD
Aug 12 — Aug 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Grand Forks to Illinois 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 Grand Forks to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Grand Forks to IllinoisExplore the most affordable flight options available from Grand Forks to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
Explore the most affordable flight options available from Grand Forks to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
This Delta deal was found by Cheapflights users on 7/9. 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.
Tue 9/811:02 am
GFK
- STL
1 stop5h 45m
Delta
Tue 9/225:47 pm
STL
- GFK
1 stop5h 16m
Delta
Deal found 7/9![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 7/10. 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.
Thu 8/205:00 am
GFK
- STL
1 stop3h 37m
Delta
Sat 8/225:34 pm
STL
- GFK
1 stop5h 32m
Delta
Deal found 7/10![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 7/11. 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 8/73:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Thu 8/136:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/11![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 7/11. 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.
Mon 8/107:15 pm
GFK
- STL
1 stop4h 11m
Delta
Sun 8/166:20 am
STL
- GFK
1 stop3h 59m
Delta
Deal found 7/11![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 7/10. 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.
Sat 7/2510:54 am
GFK
- ORD
1 stop6h 32m
Delta
Wed 7/296:30 am
ORD
- GFK
1 stop3h 49m
Delta
Deal found 7/10![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 7/9. 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 8/67:15 pm
GFK
- STL
1 stop4h 11m
Delta
Thu 8/136:20 am
STL
- GFK
1 stop3h 59m
Delta
Deal found 7/9![Delta logo]()
$602
This Delta deal was found by Cheapflights users on 7/13. 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.
Sun 8/165:00 am
GFK
- ORD
1 stop3h 30m
Delta
Wed 8/198:28 am
ORD
- GFK
1 stop6h 07m
Delta
Deal found 7/13![Delta logo]()
$615
This Delta deal was found by Cheapflights users on 7/13. 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.
Sun 8/165:00 am
GFK
- MDW
1 stop3h 39m
Delta
Wed 8/197:25 pm
MDW
- GFK
1 stop3h 41m
Delta
Deal found 7/13![Delta logo]()
$615
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:55 pm
GFK
- ORD
1 stop5h 37m
Delta
Mon 11/96:00 am
ORD
- GFK
1 stop4h 10m
Delta
Deal found 7/8![Delta logo]()
$653
This Delta deal was found by Cheapflights users on 7/13. 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 10/155:10 am
GFK
- MDW
2 stops7h 38m
Delta
Sun 10/1812:28 pm
MDW
- GFK
1 stop6h 47m
Delta
Deal found 7/13![Delta logo]()
$668
This Delta deal was found by Cheapflights users on 7/10. 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.
Sat 7/255:00 am
GFK
- MDW
2 stops7h 38m
Delta
Wed 7/291:18 pm
MDW
- GFK
2 stops9h 47m
Delta
Deal found 7/10![Delta logo]()
$673
This Delta deal was found by Cheapflights users on 7/13. 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 7/233:55 pm
GFK
- ORD
1 stop5h 57m
Delta
Mon 7/275:54 pm
ORD
- GFK
1 stop5h 11m
Delta
Deal found 7/13![Delta logo]()
$682
Best flights from Grand Forks to IllinoisDiscover carefully curated flight deals from Grand Forks to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
Discover carefully curated flight deals from Grand Forks to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
This Delta deal was found by Cheapflights users on 7/9. 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.
Tue 9/811:02 am
GFK
- STL
1 stop5h 45m
Delta
Tue 9/225:47 pm
STL
- GFK
1 stop5h 16m
Delta
Deal found 7/9![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 7/11. 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.
Mon 8/107:15 pm
GFK
- STL
1 stop4h 11m
Delta
Sun 8/166:20 am
STL
- GFK
1 stop3h 59m
Delta
Deal found 7/11![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 7/10. 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.
Sat 7/255:00 am
GFK
- ORD
1 stop6h 45m
Delta
Wed 7/292:07 pm
ORD
- GFK
2 stops8h 58m
Delta
Deal found 7/10![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 7/9. 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 8/67:15 pm
GFK
- STL
1 stop4h 11m
Delta
Thu 8/136:20 am
STL
- GFK
1 stop3h 59m
Delta
Deal found 7/9![Delta logo]()
$602
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:55 pm
GFK
- ORD
1 stop5h 37m
Delta
Mon 11/96:00 am
ORD
- GFK
1 stop4h 10m
Delta
Deal found 7/8![Delta logo]()
$653
This Delta deal was found by Cheapflights users on 7/12. 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 10/155:10 am
GFK
- MDW
2 stops7h 38m
Delta
Sun 10/1812:28 pm
MDW
- GFK
1 stop6h 47m
Delta
Deal found 7/12![Delta logo]()
$668
This Delta deal was found by Cheapflights users on 7/13. 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 7/233:55 pm
GFK
- ORD
1 stop5h 57m
Delta
Mon 7/272:07 pm
ORD
- GFK
2 stops8h 58m
Delta
Deal found 7/13![Delta logo]()
$687
This Delta deal was found by Cheapflights users on 7/10. 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.
Thu 10/155:10 am
GFK
- ORD
2 stops7h 51m
Delta
Sun 10/186:30 am
ORD
- GFK
1 stop3h 40m
Delta
Deal found 7/10![Delta logo]()
$728
This Delta deal was found by Cheapflights users on 7/10. 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.
Thu 8/2010:54 am
GFK
- STL
2 stops6h 44m
Delta
Sat 8/225:34 pm
STL
- GFK
1 stop5h 32m
Delta
Deal found 7/10![Delta logo]()
$756
This Delta deal was found by Cheapflights users on 7/11. 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 8/75:00 am
GFK
- MDW
1 stop3h 39m
Delta
Thu 8/137:25 pm
MDW
- GFK
1 stop3h 41m
Delta
Deal found 7/11![Delta logo]()
$783
This Delta deal was found by Cheapflights users on 7/10. 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.
Sat 7/2510:54 am
GFK
- MDW
1 stop6h 58m
Delta
Wed 7/299:54 am
MDW
- GFK
1 stop4h 40m
Delta
Deal found 7/10![Delta logo]()
$813
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:45 am
GFK
- MDW
1 stop5h 54m
Delta
Mon 11/912:30 pm
MDW
- GFK
1 stop6h 45m
Delta
Deal found 7/8![Delta logo]()
$929
Last-minute flights from Grand Forks to IllinoisDiscover last-minute flight deals from Grand Forks to Illinois. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Grand Forks to Illinois. Data last updated July 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/13. 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 7/233:55 pm
GFK
- ORD
1 stop5h 57m
Delta
Mon 7/275:54 pm
ORD
- GFK
1 stop5h 11m
Delta
Deal found 7/13![Delta logo]()
$682
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:00 am
GFK
- MDW
1 stop3h 37m
Delta
Mon 7/277:06 pm
MDW
- GFK
1 stop3h 59m
Delta
Deal found 7/8![Delta logo]()
$993
This Delta deal was found by Cheapflights users on 7/10. 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.
Sat 7/2510:54 am
GFK
- ORD
1 stop6h 32m
Delta
Wed 7/296:30 am
ORD
- GFK
1 stop3h 49m
Delta
Deal found 7/10![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 7/10. 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.
Sat 7/255:00 am
GFK
- MDW
1 stop3h 37m
Delta
Wed 7/291:18 pm
MDW
- GFK
2 stops9h 47m
Delta
Deal found 7/10![Delta logo]()
$668
This Delta deal was found by Cheapflights users on 7/9. 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 8/67:15 pm
GFK
- STL
1 stop4h 11m
Delta
Thu 8/136:20 am
STL
- GFK
1 stop3h 59m
Delta
Deal found 7/9![Delta logo]()
$602
This Delta deal was found by Cheapflights users on 7/11. 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 8/73:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Thu 8/136:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/11![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 7/11. 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 8/75:00 am
GFK
- MDW
1 stop3h 39m
Delta
Thu 8/137:25 pm
MDW
- GFK
1 stop3h 41m
Delta
Deal found 7/11![Delta logo]()
$783
This Delta deal was found by Cheapflights users on 7/11. 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.
Mon 8/107:15 pm
GFK
- STL
1 stop4h 11m
Delta
Sun 8/166:20 am
STL
- GFK
1 stop3h 59m
Delta
Deal found 7/11![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 7/13. 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.
Sun 8/165:00 am
GFK
- ORD
1 stop3h 30m
Delta
Wed 8/198:28 am
ORD
- GFK
1 stop6h 07m
Delta
Deal found 7/13![Delta logo]()
$615
This Delta deal was found by Cheapflights users on 7/13. 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.
Sun 8/165:00 am
GFK
- MDW
1 stop3h 39m
Delta
Wed 8/197:25 pm
MDW
- GFK
1 stop3h 41m
Delta
Deal found 7/13![Delta logo]()
$615
This Delta deal was found by Cheapflights users on 7/10. 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.
Thu 8/205:00 am
GFK
- STL
1 stop3h 37m
Delta
Sat 8/225:34 pm
STL
- GFK
1 stop5h 32m
Delta
Deal found 7/10![Delta logo]()
$428
One-way flights from Grand Forks to IllinoisSearch for one-way flight options from Grand Forks to Illinois. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
Search for one-way flight options from Grand Forks to Illinois. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:04 pm
GFK
- ORD
1 stop21h 53m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:04 pm
GFK
- MDW
3 stops55h 54m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 7/13. 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.
Mon 8/2410:54 am
GFK
- ORD
1 stop6h 05m
Delta
Deal found 7/13![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 7/13. 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.
Mon 8/245:00 am
GFK
- MDW
1 stop3h 39m
Delta
Deal found 7/13![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 7/11. 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.
Sat 8/1510:54 am
GFK
- ORD
2 stops9h 36m
Delta
Deal found 7/11![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 7/11. 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.
Sat 8/1510:54 am
GFK
- MDW
2 stops7h 39m
Delta
Deal found 7/11![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 7/11. 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.
Sun 10/45:15 am
GFK
- MDW
1 stop3h 33m
Delta
Deal found 7/11![Delta logo]()
$408
Find flight deals from Grand Forks to Illinois
Keep the following information in mind while searching for Grand Forks to Illinois flight deals. Data was last updated July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $409 (Delta) |
One-way from | $155 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Grand Forks 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, Cheapflights users made 2,558,603 searches. Data last updated July 13, 2026.
Use the filters below to find and compare flights from Grand Forks to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Grand ForksSt. Louis
GFK - STL
GFKSTL
Grand Forks
Tue 9/8
11:02 am-4:47 pm
1 stop5h 45m
Lambert-St Louis
Tue 9/22
5:47 pm-11:03 pm
1 stop5h 16m
$409
Grand ForksSt. Louis
GFK - STL
GFKSTL
Grand Forks
Mon 8/10
7:15 pm-11:26 pm
1 stop4h 11m
Lambert-St Louis
Sun 8/16
6:20 am-10:19 am
1 stop3h 59m
$447
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Sat 7/25
5:00 am-11:45 am
1 stop6h 45m
Chicago O'Hare Intl
Wed 7/29
2:07 pm-11:05 pm
2 stops8h 58m
$492
Grand ForksSt. Louis
GFK - STL
GFKSTL
Grand Forks
Thu 8/6
7:15 pm-11:26 pm
1 stop4h 11m
Lambert-St Louis
Thu 8/13
6:20 am-10:19 am
1 stop3h 59m
$602
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Sat 11/7
3:55 pm-9:32 pm
1 stop5h 37m
Chicago O'Hare Intl
Mon 11/9
6:00 am-10:10 am
1 stop4h 10m
$653
Grand ForksChicago
GFK - MDW
GFKMDW
Grand Forks
Thu 10/15
5:10 am-12:48 pm
2 stops7h 38m
Chicago Midway
Sun 10/18
12:28 pm-7:15 pm
1 stop6h 47m
$668
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Thu 7/23
3:55 pm-9:52 pm
1 stop5h 57m
Chicago O'Hare Intl
Mon 7/27
2:07 pm-11:05 pm
2 stops8h 58m
$687
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Thu 10/15
5:10 am-1:01 pm
2 stops7h 51m
Chicago O'Hare Intl
Sun 10/18
6:30 am-10:10 am
1 stop3h 40m
$728
Grand ForksSt. Louis
GFK - STL
GFKSTL
Grand Forks
Thu 8/20
10:54 am-5:38 pm
2 stops6h 44m
Lambert-St Louis
Sat 8/22
5:34 pm-11:06 pm
1 stop5h 32m
$756
Quickest round-trip
Grand ForksChicago
GFK - MDW
GFKMDW
Grand Forks
Fri 8/7
5:00 am-8:39 am
1 stop3h 39m
Chicago Midway
Thu 8/13
7:25 pm-11:06 pm
1 stop3h 41m
$783
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Grand Forks to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Grand Forks with our price prediction graph.
GFK-STL
GFK-ORD
GFK-MDW
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 Grand Forks to Illinois
GFK-USIL
GFK-STL
GFK-ORD
GFK-MDW
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Grand Forks to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations