$191+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Jul 24 — Jul 311
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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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 June 24, 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 June 24, 2026.
This Delta deal was found by Cheapflights users on 6/19. 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 9/147:45 am
ORD
- GTF
1 stop5h 50m
Delta
Mon 9/215:40 am
GTF
- ORD
1 stop5h 15m
Delta
Deal found 6/19![Delta logo]()
$206
This Delta deal was found by Cheapflights users on 6/19. 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 9/112:00 pm
ORD
- GTF
2 stops9h 42m
Delta
Thu 9/241:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Deal found 6/19![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 6/19. 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 9/47:48 am
ORD
- GTF
1 stop5h 40m
Delta
Mon 9/145:40 am
GTF
- ORD
1 stop5h 15m
Delta
Deal found 6/19![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 6/19. 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 9/48:28 am
ORD
- GTF
2 stops10h 10m
Delta
Tue 9/151:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Deal found 6/19![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 6/19. 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 9/137:30 am
ORD
- GTF
1 stop5h 53m
Delta
Tue 9/221:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Deal found 6/19![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 6/23. 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 9/111:55 pm
ORD
- GTF
2 stops9h 47m
Delta
Sat 9/195:40 am
GTF
- ORD
1 stop5h 15m
Delta
Deal found 6/23![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 9/152:00 pm
MDW
- GTF
2 stops9h 42m
Delta
Mon 9/216:21 pm
GTF
- MDW
2 stops14h 29m
Delta
Deal found 6/23![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 6/22. 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.
Mon 9/147:45 am
ORD
- GTF
1 stop5h 50m
Delta
Wed 9/235:40 am
GTF
- ORD
1 stop5h 15m
Delta
Deal found 6/22![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 6/23. 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 9/111:55 pm
ORD
- GTF
2 stops9h 47m
Delta
Tue 9/221:15 pm
GTF
- ORD
1 stop7h 37m
Delta
Deal found 6/23![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 6/20. 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 9/152:00 pm
MDW
- GTF
2 stops9h 42m
Delta
Sun 9/206:21 pm
GTF
- MDW
2 stops14h 29m
Delta
Deal found 6/20![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 6/20. 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 9/152:00 pm
MDW
- GTF
2 stops9h 42m
Delta
Wed 9/235:40 am
GTF
- MDW
2 stops11h 39m
Delta
Deal found 6/20![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 6/22. 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.
Mon 9/146:05 am
MDW
- GTF
2 stops17h 37m
Delta
Mon 9/216:21 pm
GTF
- MDW
2 stops14h 29m
Delta
Deal found 6/22![Delta logo]()
$447
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 June 24, 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 June 24, 2026.
This Delta deal was found by Cheapflights users on 6/19. 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 9/67:48 am
ORD
- GTF
1 stop5h 40m
Delta
Tue 9/155:40 am
GTF
- ORD
2 stops12h 05m
Delta
Deal found 6/19![Delta logo]()
$212
This United Airlines deal was found by Cheapflights users on 6/23. 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 9/121:30 pm
ORD
- GTF
1 stop8h 42m
United Airlines
Wed 9/232:25 pm
GTF
- ORD
1 stop6h 05m
United Airlines
Deal found 6/23![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 6/19. 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 9/47:48 am
ORD
- GTF
1 stop5h 40m
Delta
Mon 9/145:40 am
GTF
- ORD
1 stop5h 15m
Delta
Deal found 6/19![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 6/23. 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.
Sun 9/137:45 am
ORD
- GTF
1 stop5h 50m
Delta
Tue 9/221:15 pm
GTF
- ORD
1 stop7h 37m
Delta
Deal found 6/23![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 6/23. 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.
Sun 9/137:45 am
ORD
- GTF
1 stop5h 50m
Delta
Sat 9/195:40 am
GTF
- ORD
1 stop5h 15m
Delta
Deal found 6/23![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 6/23. 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 9/124:20 pm
ORD
- GTF
1 stop5h 52m
United Airlines
Mon 9/212:25 pm
GTF
- ORD
1 stop6h 35m
United Airlines
Deal found 6/23![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 6/19. 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 9/67:48 am
ORD
- GTF
1 stop5h 40m
Delta
Sun 9/135:30 am
GTF
- ORD
1 stop5h 51m
Delta
Deal found 6/19![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 6/23. 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.
Sun 9/137:45 am
ORD
- GTF
1 stop5h 50m
Delta
Sun 9/205:40 am
GTF
- ORD
1 stop5h 15m
Delta
Deal found 6/23![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 9/159:59 am
MDW
- GTF
2 stops13h 43m
Delta
Mon 9/216:21 pm
GTF
- MDW
2 stops14h 29m
Delta
Deal found 6/23![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 6/19. 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 9/127:45 am
ORD
- GTF
1 stop5h 50m
Delta
Tue 9/221:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Deal found 6/19![Delta logo]()
$407
This Delta deal was found by Cheapflights users on 6/22. 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 9/157:45 am
ORD
- GTF
1 stop5h 50m
Delta
Sun 9/206:21 pm
GTF
- ORD
2 stops13h 14m
Delta
Deal found 6/22![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 6/19. 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 9/129:30 am
ORD
- GTF
2 stops14h 12m
Delta
Wed 9/231:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Deal found 6/19![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 6/22. 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.
Mon 9/146:05 am
MDW
- GTF
2 stops17h 37m
Delta
Mon 9/216:21 pm
GTF
- MDW
2 stops14h 29m
Delta
Deal found 6/22![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 9/152:00 pm
MDW
- GTF
2 stops9h 42m
Delta
Wed 9/235:40 am
GTF
- MDW
2 stops11h 39m
Delta
Deal found 6/23![Delta logo]()
$451
This Delta deal was found by Cheapflights users on 6/23. 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 9/119:29 am
MDW
- GTF
2 stops14h 13m
Delta
Mon 9/216:21 pm
GTF
- MDW
2 stops14h 29m
Delta
Deal found 6/23![Delta logo]()
$465
This Delta deal was found by Cheapflights users on 6/22. 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 9/199:59 am
MDW
- GTF
2 stops8h 42m
Delta
Sat 9/265:40 am
GTF
- MDW
2 stops11h 39m
Delta
Deal found 6/22![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 6/20. 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 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Fri 7/106:25 pm
GTF
- MDW
2 stops13h 48m
Delta
Deal found 6/20![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 9/29:59 am
MDW
- GTF
2 stops13h 30m
Delta
Tue 9/85:40 am
GTF
- MDW
2 stops11h 39m
Delta
Deal found 6/21![Delta logo]()
$574
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 8/1212:46 pm
MDW
- GTF
2 stops10h 52m
Delta
Wed 8/195:40 am
GTF
- MDW
2 stops11h 21m
Delta
Deal found 6/21![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 6/23. 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.
Sat 7/111:18 pm
MDW
- GTF
2 stops10h 19m
Delta
Tue 7/145:40 am
GTF
- MDW
2 stops11h 38m
Delta
Deal found 6/23![Delta logo]()
$704
Last-minute flights from Chicago to Great FallsDiscover last-minute flight deals from Chicago to Great Falls. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Great Falls. Data last updated June 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/19. 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 7/311:30 am
ORD
- GTF
2 stops12h 10m
Delta
Sat 7/181:17 pm
GTF
- ORD
1 stop7h 03m
Delta
Deal found 6/19![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/19. 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 7/31:40 pm
ORD
- GTF
2 stops10h 00m
Delta
Sat 7/111:17 pm
GTF
- ORD
1 stop7h 03m
Delta
Deal found 6/19![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 7/32:33 pm
ORD
- GTF
1 stop8h 01m
United Airlines
Wed 7/1512:30 pm
GTF
- ORD
Nonstop3h 18m
United Airlines
Deal found 6/19![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 7/32:33 pm
ORD
- GTF
1 stop8h 01m
United Airlines
Thu 7/1612:30 pm
GTF
- ORD
Nonstop3h 18m
United Airlines
Deal found 6/19![United Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 6/20. 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 7/31:26 pm
MDW
- GTF
2 stops10h 14m
Delta
Fri 7/106:25 pm
GTF
- MDW
2 stops13h 48m
Delta
Deal found 6/20![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 6/19. 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 7/45:00 pm
ORD
- GTF
1 stop6h 40m
Delta
Sat 7/181:17 pm
GTF
- ORD
1 stop7h 03m
Delta
Deal found 6/19![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 6/19. 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 7/45:00 pm
ORD
- GTF
1 stop6h 40m
Delta
Mon 7/131:17 pm
GTF
- ORD
1 stop7h 12m
Delta
Deal found 6/19![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 6/19. 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 7/45:00 pm
ORD
- GTF
1 stop6h 40m
Delta
Tue 7/141:17 pm
GTF
- ORD
1 stop7h 12m
Delta
Deal found 6/19![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 6/20. 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 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Fri 7/106:25 pm
GTF
- MDW
2 stops13h 48m
Delta
Deal found 6/20![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 7/77:45 am
ORD
- GTF
1 stop5h 52m
Delta
Tue 8/41:08 pm
GTF
- ORD
1 stop7h 22m
Delta
Deal found 6/21![Delta logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 7/111:50 pm
ORD
- GTF
2 stops31h 30m
Multiple Airlines
Fri 7/1710:24 am
GTF
- ORD
1 stop18h 13m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:57 pm
ORD
- GTF
2 stops36h 37m
Multiple Airlines
Fri 8/1410:19 am
GTF
- ORD
1 stop18h 18m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$432
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 June 24, 2026.
Search for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 8/97:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
ORD
- GTF
1 stop11h 29m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:57 pm
ORD
- GTF
2 stops36h 37m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:57 pm
ORD
- GTF
2 stops36h 32m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$215
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 8/88:20 pm
ORD
- GTF
1 stop21h 09m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 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 6/21![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:57 pm
ORD
- GTF
2 stops36h 37m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/111:50 pm
ORD
- GTF
2 stops31h 30m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:06 am
MDW
- GTF
3 stops47h 23m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:12 pm
ORD
- GTF
1 stop6h 22m
United Airlines
Deal found 6/21![United Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 6/21![United Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/811:06 am
MDW
- GTF
3 stops47h 23m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$279
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 June 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Delta) |
One-way from | $191 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $662 |
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 June 24, 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
Sun 9/6
7:48 am-12:28 pm
1 stop5h 40m
Great Falls
Tue 9/15
5:40 am-6:45 pm
2 stops12h 05m
$212
Quickest round-trip
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Fri 9/4
7:48 am-12:28 pm
1 stop5h 40m
Great Falls
Mon 9/14
5:40 am-11:55 am
1 stop5h 15m
$262
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sun 9/13
7:45 am-12:35 pm
1 stop5h 50m
Great Falls
Tue 9/22
1:15 pm-9:52 pm
1 stop7h 37m
$306
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sun 9/13
7:45 am-12:35 pm
1 stop5h 50m
Great Falls
Sat 9/19
5:40 am-11:55 am
1 stop5h 15m
$306
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sun 9/6
7:48 am-12:28 pm
1 stop5h 40m
Great Falls
Sun 9/13
5:30 am-12:21 pm
1 stop5h 51m
$327
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sun 9/13
7:45 am-12:35 pm
1 stop5h 50m
Great Falls
Sun 9/20
5:40 am-11:55 am
1 stop5h 15m
$377
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Tue 9/15
9:59 am-10:42 pm
2 stops13h 43m
Great Falls
Mon 9/21
6:21 pm-9:50 am
2 stops14h 29m
$386
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 9/12
7:45 am-12:35 pm
1 stop5h 50m
Great Falls
Tue 9/22
1:15 pm-9:47 pm
1 stop7h 32m
$407
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 9/12
1:30 pm-9:12 pm
1 stop8h 42m
Great Falls
Wed 9/23
2:25 pm-9:30 pm
1 stop6h 05m
$408
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 9/12
4:20 pm-9:12 pm
1 stop5h 52m
Great Falls
Mon 9/21
2:25 pm-10:00 pm
1 stop6h 35m
$408
Showing 1-10 of 33 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 June.
| 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, August is the cheapest month in which you can book a flight from Chicago to Great Falls (average of $169). 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.
What is the cheapest time of day to fly from CHI to GTF?
Find hourly flight availability from Chicago to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 24, 2026.
When flying from Chicago to Great Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 June 24, 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.
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
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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Chicago and Great Falls flights
Browse other Chicago and Great Falls flight options. Last updated on June 24, 2026.
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Top 2 airlines flying from Chicago to Great Falls
Discover the top 2 airlines 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 June 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$438 | FlexibilityNo cancel fee | On-timeN/A |