$308+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
GFK — ORD
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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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
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Best
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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 27, 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 27, 2026.
This Delta deal was found by Cheapflights users on 7/22. 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 8/215:00 am
GFK
- ORD
1 stop3h 30m
Delta
Fri 8/286:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/22![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 7/22. 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 8/215:00 am
GFK
- MDW
1 stop3h 39m
Delta
Fri 8/287:25 pm
MDW
- GFK
1 stop3h 41m
Delta
Deal found 7/22![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 7/22. 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 9/113:55 pm
GFK
- ORD
1 stop5h 38m
Delta
Sun 9/136:10 am
ORD
- GFK
1 stop5h 17m
Delta
Deal found 7/22![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 7/23. 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 8/135:00 am
GFK
- ORD
1 stop6h 37m
Delta
Thu 8/206:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/23![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 7/24. 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 8/135:00 am
GFK
- ORD
1 stop6h 37m
Delta
Sun 8/166:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/24![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 7/22. 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 8/63:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Mon 8/108:28 am
ORD
- GFK
1 stop6h 07m
Delta
Deal found 7/22![Delta logo]()
$497
This Delta deal was found by Cheapflights users on 7/25. 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 8/710:54 am
GFK
- ORD
1 stop6h 05m
Delta
Sun 8/96:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/25![Delta logo]()
$567
This Delta deal was found by Cheapflights users on 7/22. 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 9/177:15 pm
GFK
- ORD
1 stop24h 18m
Delta
Mon 9/218:25 pm
ORD
- GFK
1 stop21h 47m
Delta
Deal found 7/22![Delta logo]()
$595
This Delta deal was found by Cheapflights users on 7/22. 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 10/710:45 am
GFK
- ORD
1 stop3h 59m
Delta
Fri 10/96:30 am
ORD
- GFK
1 stop3h 40m
Delta
Deal found 7/22![Delta logo]()
$625
This Delta deal was found by Cheapflights users on 7/22. 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 10/710:45 am
GFK
- MDW
1 stop5h 54m
Delta
Fri 10/95:21 pm
MDW
- GFK
1 stop5h 59m
Delta
Deal found 7/22![Delta logo]()
$625
This Delta deal was found by Cheapflights users on 7/25. 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 8/110:54 am
GFK
- ORD
1 stop6h 32m
Delta
Mon 8/38:28 am
ORD
- GFK
1 stop6h 07m
Delta
Deal found 7/25![Delta logo]()
$632
This Delta deal was found by Cheapflights users on 7/24. 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 8/263:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Fri 8/286:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/24![Delta logo]()
$635
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 27, 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 27, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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 8/135:00 am
GFK
- ORD
1 stop6h 37m
Delta
Thu 8/206:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/23![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 7/25. 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 8/710:54 am
GFK
- ORD
1 stop6h 05m
Delta
Sun 8/96:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/25![Delta logo]()
$567
This Delta deal was found by Cheapflights users on 7/22. 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 10/710:45 am
GFK
- MDW
1 stop5h 54m
Delta
Fri 10/95:21 pm
MDW
- GFK
1 stop5h 59m
Delta
Deal found 7/22![Delta logo]()
$625
This Delta deal was found by Cheapflights users on 7/24. 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 8/263:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Fri 8/286:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/24![Delta logo]()
$635
This Delta deal was found by Cheapflights users on 7/23. 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
1 stop3h 53m
Delta
Sun 10/189:59 am
ORD
- GFK
1 stop4h 21m
Delta
Deal found 7/23![Delta logo]()
$673
This Delta deal was found by Cheapflights users on 7/26. 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 9/225:15 am
GFK
- MDW
1 stop3h 33m
Delta
Fri 9/259:59 am
MDW
- GFK
1 stop4h 38m
Delta
Deal found 7/26![Delta logo]()
$682
This Delta deal was found by Cheapflights users on 7/22. 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 8/2110:54 am
GFK
- ORD
2 stops7h 35m
Delta
Fri 8/286:59 am
ORD
- GFK
2 stops11h 09m
Delta
Deal found 7/22![Delta logo]()
$702
This Delta deal was found by Cheapflights users on 7/26. 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 10/155:07 am
GFK
- MDW
1 stop3h 37m
Delta
Sun 10/1810:01 am
MDW
- GFK
1 stop4h 31m
Delta
Deal found 7/26![Delta logo]()
$735
This Delta deal was found by Cheapflights users on 7/25. 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 8/93:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Thu 8/136:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/25![Delta logo]()
$745
This Delta deal was found by Cheapflights users on 7/22. 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 8/2110:54 am
GFK
- MDW
2 stops7h 39m
Delta
Fri 8/289:24 am
MDW
- GFK
2 stops8h 44m
Delta
Deal found 7/22![Delta logo]()
$842
This Delta deal was found by Cheapflights users on 7/22. 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 9/115:15 am
GFK
- MDW
1 stop3h 33m
Delta
Sun 9/137:13 pm
MDW
- GFK
1 stop3h 50m
Delta
Deal found 7/22![Delta logo]()
$888
This Delta deal was found by Cheapflights users on 7/23. 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 8/77:15 pm
GFK
- STL
1 stop4h 11m
Delta
Tue 8/116:20 am
STL
- GFK
1 stop3h 59m
Delta
Deal found 7/23![Delta logo]()
$995
Last-minute flights from Grand Forks to IllinoisDiscover last-minute flight deals from Grand Forks to Illinois. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Grand Forks to Illinois. Data last updated July 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/25. 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 8/110:54 am
GFK
- ORD
1 stop6h 32m
Delta
Mon 8/38:28 am
ORD
- GFK
1 stop6h 07m
Delta
Deal found 7/25![Delta logo]()
$632
This Delta deal was found by Cheapflights users on 7/25. 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 8/710:54 am
GFK
- ORD
1 stop6h 05m
Delta
Sun 8/96:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/25![Delta logo]()
$567
This Delta deal was found by Cheapflights users on 7/23. 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 8/77:15 pm
GFK
- STL
1 stop4h 11m
Delta
Tue 8/116:20 am
STL
- GFK
1 stop3h 59m
Delta
Deal found 7/23![Delta logo]()
$995
This Delta deal was found by Cheapflights users on 7/25. 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 8/93:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Thu 8/136:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/25![Delta logo]()
$745
This Delta deal was found by Cheapflights users on 7/25. 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 8/95:00 am
GFK
- MDW
1 stop3h 39m
Delta
Thu 8/139:59 am
MDW
- GFK
1 stop4h 36m
Delta
Deal found 7/25![Delta logo]()
$979
This Delta deal was found by Cheapflights users on 7/23. 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 8/135:00 am
GFK
- ORD
1 stop6h 37m
Delta
Thu 8/206:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/23![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 7/24. 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 8/135:00 am
GFK
- ORD
1 stop6h 37m
Delta
Sun 8/166:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/24![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 7/26. 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 8/135:00 am
GFK
- MDW
1 stop3h 39m
Delta
Thu 8/207:25 pm
MDW
- GFK
1 stop3h 41m
Delta
Deal found 7/26![Delta logo]()
$688
This Delta deal was found by Cheapflights users on 7/22. 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 8/215:00 am
GFK
- ORD
1 stop3h 30m
Delta
Fri 8/286:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/22![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 7/22. 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 8/215:00 am
GFK
- MDW
1 stop3h 39m
Delta
Fri 8/287:25 pm
MDW
- GFK
1 stop3h 41m
Delta
Deal found 7/22![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 7/24. 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 8/263:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Fri 8/286:00 am
ORD
- GFK
1 stop4h 19m
Delta
Deal found 7/24![Delta logo]()
$635
This Delta deal was found by Cheapflights users on 7/24. 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 8/265:00 am
GFK
- MDW
1 stop3h 39m
Delta
Fri 8/287:25 pm
MDW
- GFK
1 stop3h 41m
Delta
Deal found 7/24![Delta logo]()
$635
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 27, 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 27, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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 8/243:55 pm
GFK
- ORD
1 stop5h 52m
Delta
Deal found 7/23![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 7/23. 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 7/23![Delta logo]()
$368
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $427 (Delta) |
One-way from | $308 (Delta) |
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 27, 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 ForksChicago
GFK - ORD
GFKORD
Grand Forks
Thu 8/13
5:00 am-11:37 am
1 stop6h 37m
Chicago O'Hare Intl
Thu 8/20
6:00 am-10:19 am
1 stop4h 19m
$457
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Fri 8/7
10:54 am-4:59 pm
1 stop6h 05m
Chicago O'Hare Intl
Sun 8/9
6:00 am-10:19 am
1 stop4h 19m
$567
Grand ForksChicago
GFK - MDW
GFKMDW
Grand Forks
Wed 10/7
10:45 am-4:39 pm
1 stop5h 54m
Chicago Midway
Fri 10/9
5:21 pm-11:20 pm
1 stop5h 59m
$625
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Wed 8/26
3:55 pm-9:47 pm
1 stop5h 52m
Chicago O'Hare Intl
Fri 8/28
6:00 am-10:19 am
1 stop4h 19m
$635
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Thu 10/15
5:10 am-9:03 am
1 stop3h 53m
Chicago O'Hare Intl
Sun 10/18
9:59 am-2:20 pm
1 stop4h 21m
$673
Grand ForksChicago
GFK - MDW
GFKMDW
Grand Forks
Tue 9/22
5:15 am-8:48 am
1 stop3h 33m
Chicago Midway
Fri 9/25
9:59 am-2:37 pm
1 stop4h 38m
$682
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Fri 8/21
10:54 am-6:29 pm
2 stops7h 35m
Chicago O'Hare Intl
Fri 8/28
6:59 am-6:08 pm
2 stops11h 09m
$702
Grand ForksChicago
GFK - MDW
GFKMDW
Grand Forks
Thu 10/15
5:07 am-8:44 am
1 stop3h 37m
Chicago Midway
Sun 10/18
10:01 am-2:32 pm
1 stop4h 31m
$735
Grand ForksChicago
GFK - ORD
GFKORD
Grand Forks
Sun 8/9
3:55 pm-9:47 pm
1 stop5h 52m
Chicago O'Hare Intl
Thu 8/13
6:00 am-10:19 am
1 stop4h 19m
$745
Grand ForksChicago
GFK - MDW
GFKMDW
Grand Forks
Fri 8/21
10:54 am-6:33 pm
2 stops7h 39m
Chicago Midway
Fri 8/28
9:24 am-6:08 pm
2 stops8h 44m
$842
Showing 1-10 of 14 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-ORD
GFK-MDW
GFK-STL
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-ORD
GFK-MDW
GFK-STL
No data available for this route at this time. Please check back soon.
Related info for your journey
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