$205+ Cheap flights from Chicago (CHI) to Great Falls (GTF)
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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Jun 25 — Jul 21
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Great Falls 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
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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 Chicago to Great Falls
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Cheapest flights from Chicago to Great FallsExplore the most affordable flight options available from Chicago to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 26, 2026.
Explore the most affordable flight options available from Chicago to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 26, 2026.
This Delta deal was found by Cheapflights users on 5/22. 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 9/37:30 am
ORD
- GTF
1 stop5h 53m
Delta
Mon 9/145:30 am
GTF
- ORD
1 stop5h 51m
Delta
Deal found 5/22![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 5/22. 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 9/37:10 am
ORD
- GTF
2 stops11h 29m
Delta
Sat 9/121:10 pm
GTF
- ORD
1 stop7h 48m
Delta
Deal found 5/22![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 5/22. 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 9/31:35 pm
ORD
- GTF
2 stops10h 09m
Delta
Tue 9/155:30 am
GTF
- ORD
2 stops10h 18m
Delta
Deal found 5/22![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 5/22. 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 9/37:30 am
ORD
- GTF
1 stop5h 53m
Delta
Fri 9/111:10 pm
GTF
- ORD
1 stop7h 48m
Delta
Deal found 5/22![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am
ORD
- GTF
1 stop7h 29m
United Airlines
Sat 10/312:25 pm
GTF
- ORD
1 stop7h 19m
United Airlines
Deal found 5/24![United Airlines logo]()
$352
This Orbitz deal was found by Cheapflights users on 5/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:00 am
ORD
- GTF
1 stop8h 45m
Alaska Airlines
Sun 9/135:19 pm
GTF
- ORD
1 stop12h 01m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:42 pm
ORD
- GTF
1 stop7h 30m
United Airlines
Mon 8/242:25 pm
GTF
- ORD
1 stop6h 35m
United Airlines
Deal found 5/23![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 5/22. 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 9/37:30 am
ORD
- GTF
1 stop5h 53m
Delta
Sun 9/135:30 am
GTF
- ORD
1 stop5h 51m
Delta
Deal found 5/22![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 5/23. 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 8/2011:22 am
ORD
- GTF
2 stops12h 16m
Delta
Mon 8/245:40 am
GTF
- ORD
1 stop5h 19m
Delta
Deal found 5/23![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 5/22. 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.
Sun 9/67:30 am
ORD
- GTF
1 stop5h 53m
Delta
Fri 9/111:10 pm
GTF
- ORD
2 stops22h 29m
Delta
Deal found 5/22![Delta logo]()
$406
This Delta deal was found by Cheapflights users on 5/25. 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 7/189:49 am
MDW
- GTF
2 stops8h 53m
Delta
Fri 7/246:25 pm
GTF
- MDW
2 stops13h 43m
Delta
Deal found 5/25![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 5/25. 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 7/179:49 am
MDW
- GTF
2 stops8h 53m
Delta
Fri 7/246:25 pm
GTF
- MDW
2 stops13h 43m
Delta
Deal found 5/25![Delta logo]()
$539
Best flights from Chicago to Great FallsDiscover carefully curated flight deals from Chicago to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 26, 2026.
Discover carefully curated flight deals from Chicago to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 26, 2026.
This Delta deal was found by Cheapflights users on 5/23. 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 8/201:44 pm
ORD
- GTF
2 stops9h 54m
Delta
Mon 8/245:40 am
GTF
- ORD
2 stops10h 24m
Delta
Deal found 5/23![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:59 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Thu 7/1612:30 pm
GTF
- ORD
Nonstop3h 18m
United Airlines
Deal found 5/26![United Airlines logo]()
$430
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:59 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Sat 8/12:37 pm
GTF
- ORD
1 stop7h 12m
United Airlines
Deal found 5/23![United Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 5/24. 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.
Sat 7/185:00 pm
ORD
- GTF
1 stop6h 37m
Delta
Fri 7/241:17 pm
GTF
- ORD
1 stop7h 31m
Delta
Deal found 5/24![Delta logo]()
$528
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 6/247:45 am
ORD
- GTF
1 stop5h 55m
Delta
Sun 6/285:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 5/23![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:59 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Sat 8/82:37 pm
GTF
- ORD
1 stop7h 12m
United Airlines
Deal found 5/25![United Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 5/22. 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.
Sat 8/159:59 am
MDW
- GTF
2 stops8h 43m
Delta
Wed 8/195:40 am
GTF
- MDW
2 stops11h 21m
Delta
Deal found 5/22![Delta logo]()
$644
This Delta deal was found by Cheapflights users on 5/25. 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 7/179:49 am
MDW
- GTF
2 stops8h 53m
Delta
Sat 7/255:40 am
GTF
- MDW
2 stops11h 27m
Delta
Deal found 5/25![Delta logo]()
$974
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 6/249:54 am
MDW
- GTF
2 stops8h 50m
Delta
Sun 6/285:40 am
GTF
- MDW
2 stops11h 38m
Delta
Deal found 5/23![Delta logo]()
$989
This Delta deal was found by Cheapflights users on 5/21. 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 8/131:52 pm
MDW
- GTF
2 stops9h 56m
Delta
Mon 8/175:40 am
GTF
- MDW
2 stops11h 21m
Delta
Deal found 5/21![Delta logo]()
$1,114
This Delta deal was found by Cheapflights users on 5/25. 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 7/189:49 am
MDW
- GTF
2 stops8h 53m
Delta
Sun 7/265:40 am
GTF
- MDW
2 stops11h 38m
Delta
Deal found 5/25![Delta logo]()
$1,154
This Delta deal was found by Cheapflights users on 5/25. 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.
Thu 7/91:18 pm
MDW
- GTF
2 stops10h 19m
Delta
Thu 7/165:40 am
GTF
- MDW
2 stops9h 35m
Delta
Deal found 5/25![Delta logo]()
$1,234
This Delta deal was found by Cheapflights users on 5/25. 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.
Mon 6/221:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Mon 6/296:25 pm
GTF
- MDW
2 stops13h 49m
Delta
Deal found 5/25![Delta logo]()
$1,299
This Delta deal was found by Cheapflights users on 5/22. 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 6/249:54 am
MDW
- GTF
2 stops8h 50m
Delta
Thu 6/255:40 am
GTF
- MDW
2 stops11h 51m
Delta
Deal found 5/22![Delta logo]()
$1,369
This Delta deal was found by Cheapflights users on 5/22. 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.
Sat 6/209:54 am
MDW
- GTF
2 stops8h 50m
Delta
Sat 6/275:40 am
GTF
- MDW
2 stops9h 00m
Delta
Deal found 5/22![Delta logo]()
$1,389
This Delta deal was found by Cheapflights users on 5/25. 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.
Mon 6/221:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Tue 6/235:40 am
GTF
- MDW
2 stops11h 38m
Delta
Deal found 5/25![Delta logo]()
$1,469
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 6/179:54 am
MDW
- GTF
2 stops8h 50m
Delta
Tue 6/235:40 am
GTF
- MDW
2 stops9h 36m
Delta
Deal found 5/23![Delta logo]()
$1,659
Last-minute flights from Chicago to Great FallsDiscover last-minute flight deals from Chicago to Great Falls. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Great Falls. Data last updated May 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/22. 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.
Sat 5/235:00 pm
ORD
- GTF
1 stop6h 26m
Delta
Tue 5/265:40 am
GTF
- ORD
1 stop5h 12m
Delta
Deal found 5/22![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:33 pm
ORD
- GTF
1 stop8h 01m
United Airlines
Tue 6/22:37 pm
GTF
- ORD
1 stop6h 17m
United Airlines
Deal found 5/25![United Airlines logo]()
$603
This Expedia deal was found by Cheapflights users on 5/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
ORD
- GTF
1 stop13h 12m
Alaska Airlines
Sun 6/76:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 5/26![Alaska Airlines logo]()
$582
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:02 am
ORD
- GTF
1 stop9h 27m
Alaska Airlines
Tue 6/235:09 pm
GTF
- ORD
2 stops10h 51m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 5/22. 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 6/177:45 am
ORD
- GTF
1 stop5h 55m
Delta
Sat 7/45:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 5/22![Delta logo]()
$548
This Delta deal was found by Cheapflights users on 5/22. 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 6/179:17 am
MDW
- GTF
2 stops9h 27m
Delta
Sat 7/45:40 am
GTF
- MDW
2 stops9h 00m
Delta
Deal found 5/22![Delta logo]()
$1,319
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:20 am
ORD
- GTF
1 stop27h 08m
Multiple Airlines
Mon 6/2210:18 am
GTF
- ORD
1 stop17h 49m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$567
This Delta deal was found by Cheapflights users on 5/25. 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 6/197:45 am
ORD
- GTF
1 stop5h 55m
Delta
Wed 6/241:20 pm
GTF
- ORD
1 stop7h 37m
Delta
Deal found 5/25![Delta logo]()
$613
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/208:40 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Sat 6/272:37 pm
GTF
- ORD
1 stop7h 12m
United Airlines
Deal found 5/22![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 5/25. 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.
Mon 6/221:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Mon 6/296:25 pm
GTF
- MDW
2 stops13h 49m
Delta
Deal found 5/25![Delta logo]()
$1,299
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 6/249:54 am
MDW
- GTF
2 stops8h 50m
Delta
Sun 6/285:40 am
GTF
- MDW
2 stops11h 38m
Delta
Deal found 5/23![Delta logo]()
$989
This Delta deal was found by Cheapflights users on 5/22. 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 6/249:54 am
MDW
- GTF
2 stops8h 50m
Delta
Thu 6/255:40 am
GTF
- MDW
2 stops11h 51m
Delta
Deal found 5/22![Delta logo]()
$1,369
One-way flights from Chicago to Great FallsSearch for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
Search for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:15 am
ORD
- GTF
1 stop27h 19m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:20 am
ORD
- GTF
1 stop27h 08m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:57 pm
ORD
- GTF
2 stops23h 23m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$247
This Expedia deal was found by Cheapflights users on 5/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:42 pm
ORD
- GTF
1 stop22h 47m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:59 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 5/23![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 5/21. 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 7/107:45 am
ORD
- GTF
1 stop5h 52m
Delta
Deal found 5/21![Delta logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:41 pm
MDW
- GTF
3 stops26h 39m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:11 pm
MDW
- GTF
2 stops22h 23m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:27 pm
MDW
- GTF
3 stops22h 01m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:05 am
MDW
- GTF
3 stops28h 24m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 5/22. 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.
Tue 6/239:54 am
MDW
- GTF
2 stops8h 50m
Delta
Deal found 5/22![Delta logo]()
$490
Find flight deals from Chicago to Great Falls
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Delta) |
One-way from | $205 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $417 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Great Falls 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 May 26, 2026.
Use the filters below to find and compare flights from Chicago to Great Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Thu 8/20
1:44 pm-10:38 pm
2 stops9h 54m
Great Falls
Mon 8/24
5:40 am-5:04 pm
2 stops10h 24m
$329
Quickest round-trip
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Thu 7/9
8:59 am-11:45 am
Nonstop3h 46m
Great Falls
Thu 7/16
12:30 pm-4:48 pm
Nonstop3h 18m
$430
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 7/25
8:59 am-11:45 am
Nonstop3h 46m
Great Falls
Sat 8/1
2:37 pm-10:49 pm
1 stop7h 12m
$470
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 7/18
5:00 pm-10:37 pm
1 stop6h 37m
Great Falls
Fri 7/24
1:17 pm-9:48 pm
1 stop7h 31m
$528
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 6/24
7:45 am-12:40 pm
1 stop5h 55m
Great Falls
Sun 6/28
5:40 am-12:00 pm
1 stop5h 20m
$608
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 8/1
8:59 am-11:45 am
Nonstop3h 46m
Great Falls
Sat 8/8
2:37 pm-10:49 pm
1 stop7h 12m
$612
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Sat 8/15
9:59 am-5:42 pm
2 stops8h 43m
Great Falls
Wed 8/19
5:40 am-6:01 pm
2 stops11h 21m
$644
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Fri 7/17
9:49 am-5:42 pm
2 stops8h 53m
Great Falls
Sat 7/25
5:40 am-6:07 pm
2 stops11h 27m
$974
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Wed 6/24
9:54 am-5:44 pm
2 stops8h 50m
Great Falls
Sun 6/28
5:40 am-6:18 pm
2 stops11h 38m
$989
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Thu 8/13
1:52 pm-10:48 pm
2 stops9h 56m
Great Falls
Mon 8/17
5:40 am-6:01 pm
2 stops11h 21m
$1,114
Showing 1-10 of 30 resultsSorted by cheapest first
Compare providers for flights from Chicago to Great Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Great Falls in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Great Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Great Falls
Have a flexible travel schedule? Discover the best time to fly to Great Falls from Chicago with our price prediction graph.
CHI-GTF
ORD-GTF
MDW-GTF
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 Chicago to Great Falls
CHI-GTF
ORD-GTF
MDW-GTF
What is the cheapest month to book a flight from Chicago to Great Falls?
Currently, July is the cheapest month in which you can book a flight from Chicago to Great Falls (average of $118). Flying from Chicago to Great Falls in March is currently the most expensive (average of $438). 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.
How much does it cost to fly round-trip from Chicago to Great Falls?
Reviews of airlines servicing Great Falls
Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated May 26, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Chicago to Great Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Chicago to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Great Falls?
Book flights to Great Falls if you plan to visit one of these locationsShelby
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Other flights to Great Falls
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Top airline flying from Chicago to Great Falls
Discover the top airline that operate flights from Chicago to Great Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$446 | FlexibilityNo cancel fee | On-time69% |