$143+ Cheap flights from Great Falls (GTF) to Chicago (CHI)
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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — CHI
Jul 21 — Jul 281
Round-trip
1 adult, Economy
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Find cheap flights from Great Falls to Chicago 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 Great Falls to ChicagoExplore the most affordable flight options available from Great Falls to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
Explore the most affordable flight options available from Great Falls to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
This Delta deal was found by Cheapflights users on 6/18. 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 8/215:40 am
GTF
- ORD
1 stop5h 19m
Delta
Mon 8/248:28 am
ORD
- GTF
2 stops10h 10m
Delta
Deal found 6/18![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.
Thu 9/171:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Mon 9/2111:20 am
ORD
- GTF
2 stops12h 22m
Delta
Deal found 6/19![Delta logo]()
$298
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.
Thu 8/202:25 pm
GTF
- ORD
1 stop6h 35m
United Airlines
Mon 8/243:56 pm
ORD
- GTF
1 stop6h 16m
United Airlines
Deal found 6/19![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/17. 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 11/41:10 pm
GTF
- ORD
1 stop7h 43m
Delta
Sun 11/81:15 pm
ORD
- GTF
2 stops10h 38m
Delta
Deal found 6/17![Delta logo]()
$324
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.
Thu 8/205:40 am
GTF
- ORD
1 stop5h 19m
Delta
Mon 8/248:28 am
ORD
- GTF
2 stops10h 10m
Delta
Deal found 6/19![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 6/16. 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 9/181:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Sun 9/207:45 am
ORD
- GTF
1 stop5h 50m
Delta
Deal found 6/16![Delta logo]()
$348
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:19 pm
GTF
- ORD
1 stop12h 01m
Alaska Airlines
Thu 9/246:00 am
ORD
- GTF
1 stop11h 39m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 6/17. 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 8/141:08 pm
GTF
- ORD
1 stop7h 22m
Delta
Tue 8/187:48 am
ORD
- GTF
1 stop5h 40m
Delta
Deal found 6/17![Delta logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 7/2710:19 am
GTF
- ORD
1 stop18h 18m
Multiple Airlines
Sun 8/27:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$400
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.
Sat 10/242:37 pm
GTF
- ORD
1 stop5h 41m
United Airlines
Tue 10/274:20 pm
ORD
- GTF
1 stop6h 27m
United Airlines
Deal found 6/19![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 6/196:25 pm
GTF
- MDW
2 stops13h 49m
Delta
Sat 6/201:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Deal found 6/19![Delta logo]()
$619
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 6/265:40 am
GTF
- MDW
2 stops11h 38m
Delta
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Deal found 6/20![Delta logo]()
$779
Best flights from Great Falls to ChicagoDiscover carefully curated flight deals from Great Falls to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
Discover carefully curated flight deals from Great Falls to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
This Delta deal was found by Cheapflights users on 6/17. 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 11/41:10 pm
GTF
- ORD
1 stop7h 43m
Delta
Sun 11/81:15 pm
ORD
- GTF
2 stops10h 38m
Delta
Deal found 6/17![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Mon 8/35:09 pm
GTF
- ORD
1 stop12h 11m
Alaska Airlines
Sat 8/86:00 am
ORD
- GTF
1 stop11h 29m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$418
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:30 pm
GTF
- ORD
Nonstop3h 18m
United Airlines
Sat 7/184:12 pm
ORD
- GTF
1 stop6h 22m
United Airlines
Deal found 6/20![United Airlines logo]()
$459
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:30 pm
GTF
- ORD
Nonstop3h 18m
United Airlines
Tue 7/288:59 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 6/20![United Airlines logo]()
$460
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.
Wed 7/11:20 pm
GTF
- ORD
1 stop7h 37m
Delta
Tue 7/77:45 am
ORD
- GTF
1 stop5h 52m
Delta
Deal found 6/20![Delta logo]()
$468
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/12:37 pm
GTF
- ORD
1 stop7h 12m
United Airlines
Sat 8/89:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 6/16![United Airlines logo]()
$500
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:37 pm
GTF
- ORD
1 stop7h 12m
United Airlines
Sat 8/89:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 6/20![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/302:37 pm
GTF
- ORD
1 stop7h 42m
United Airlines
Sat 8/14:12 pm
ORD
- GTF
1 stop6h 22m
United Airlines
Deal found 6/17![United Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/312:37 pm
GTF
- ORD
1 stop7h 42m
United Airlines
Sat 8/19:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 6/18![United Airlines logo]()
$613
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.
Thu 9/175:40 am
GTF
- MDW
2 stops11h 53m
Delta
Mon 9/2110:48 am
MDW
- GTF
2 stops12h 54m
Delta
Deal found 6/19![Delta logo]()
$973
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 7/45:40 am
GTF
- MDW
2 stops10h 27m
Delta
Sat 7/186:00 am
MDW
- GTF
2 stops12h 42m
Delta
Deal found 6/20![Delta logo]()
$1,089
This Delta deal was found by Cheapflights users on 6/16. 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 8/15:40 am
GTF
- MDW
2 stops11h 12m
Delta
Sat 8/81:51 pm
MDW
- GTF
2 stops9h 47m
Delta
Deal found 6/16![Delta logo]()
$1,169
This Delta deal was found by Cheapflights users on 6/17. 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 8/35:40 am
GTF
- MDW
2 stops11h 53m
Delta
Sat 8/81:51 pm
MDW
- GTF
2 stops9h 47m
Delta
Deal found 6/17![Delta logo]()
$1,179
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.
Sun 7/55:40 am
GTF
- MDW
2 stops11h 38m
Delta
Thu 7/99:54 am
MDW
- GTF
2 stops8h 48m
Delta
Deal found 6/20![Delta logo]()
$1,278
This Delta deal was found by Cheapflights users on 6/16. 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 7/305:40 am
GTF
- MDW
2 stops11h 45m
Delta
Sun 8/91:27 pm
MDW
- GTF
2 stops10h 11m
Delta
Deal found 6/16![Delta logo]()
$1,469
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 7/315:40 am
GTF
- MDW
2 stops11h 45m
Delta
Mon 8/310:54 am
MDW
- GTF
2 stops12h 44m
Delta
Deal found 6/19![Delta logo]()
$1,699
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.
Thu 7/305:40 am
GTF
- MDW
2 stops11h 45m
Delta
Sun 8/26:00 am
MDW
- GTF
2 stops12h 42m
Delta
Deal found 6/20![Delta logo]()
$1,699
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.
Thu 7/305:40 am
GTF
- MDW
2 stops11h 45m
Delta
Mon 8/310:54 am
MDW
- GTF
2 stops12h 44m
Delta
Deal found 6/20![Delta logo]()
$1,699
This Delta deal was found by Cheapflights users on 6/16. 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 7/15:40 am
GTF
- MDW
2 stops11h 51m
Delta
Sun 7/51:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Deal found 6/16![Delta logo]()
$1,719
This Delta deal was found by Cheapflights users on 6/17. 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 7/155:40 am
GTF
- MDW
2 stops11h 38m
Delta
Wed 7/229:54 am
MDW
- GTF
2 stops8h 48m
Delta
Deal found 6/17![Delta logo]()
$1,760
Last-minute flights from Great Falls to ChicagoDiscover last-minute flight deals from Great Falls to Chicago. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Chicago. Data last updated June 21, 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 6/196:25 pm
GTF
- MDW
2 stops13h 49m
Delta
Sat 6/201:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Deal found 6/19![Delta logo]()
$619
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 6/265:40 am
GTF
- MDW
2 stops11h 38m
Delta
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Deal found 6/20![Delta logo]()
$779
This Delta deal was found by Cheapflights users on 6/18. 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 7/45:40 am
GTF
- ORD
1 stop5h 20m
Delta
Fri 7/107:45 am
ORD
- GTF
1 stop5h 52m
Delta
Deal found 6/18![Delta logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 7/1310:19 am
GTF
- ORD
2 stops37h 30m
Multiple Airlines
Sun 7/197:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Fri 7/1710:24 am
GTF
- ORD
1 stop18h 13m
Multiple Airlines
Wed 7/229:57 pm
ORD
- GTF
2 stops36h 37m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Fri 7/1710:24 am
GTF
- ORD
1 stop18h 13m
Multiple Airlines
Sun 7/197:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 7/2710:19 am
GTF
- ORD
1 stop18h 18m
Multiple Airlines
Sun 8/27:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 7/2710:19 am
GTF
- ORD
1 stop18h 18m
Multiple Airlines
Thu 8/67:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 7/2710:19 am
GTF
- ORD
1 stop18h 18m
Multiple Airlines
Wed 8/59:57 pm
ORD
- GTF
2 stops36h 32m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$431
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 7/285:40 am
GTF
- MDW
2 stops11h 45m
Delta
Sat 8/11:49 pm
MDW
- GTF
2 stops9h 48m
Delta
Deal found 6/21![Delta logo]()
$979
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Fri 7/3110:24 am
GTF
- ORD
1 stop18h 13m
Multiple Airlines
Sun 8/27:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Fri 7/3110:24 am
GTF
- ORD
1 stop18h 13m
Multiple Airlines
Thu 8/67:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$445
One-way flights from Great Falls to ChicagoSearch for one-way flight options from Great Falls to Chicago. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
Search for one-way flight options from Great Falls to Chicago. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 7/2010:19 am
GTF
- ORD
1 stop18h 18m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Fri 7/3110:24 am
GTF
- ORD
1 stop18h 13m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 7/2010:19 am
GTF
- MDW
3 stops47h 48m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/15:09 pm
GTF
- ORD
1 stop12h 11m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/2912:30 pm
GTF
- ORD
Nonstop3h 18m
United Airlines
Deal found 6/16![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/182:37 pm
GTF
- ORD
1 stop6h 02m
United Airlines
Deal found 6/16![United Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Fri 7/3110:24 am
GTF
- MDW
3 stops34h 39m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/199:10 pm
GTF
- ORD
3 stops55h 27m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/295:09 pm
GTF
- ORD
1 stop12h 11m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/215:09 pm
GTF
- ORD
2 stops26h 23m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/282:37 pm
GTF
- ORD
1 stop7h 12m
United Airlines
Deal found 6/16![United Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/295:09 pm
GTF
- MDW
3 stops40h 58m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$720
Find flight deals from Great Falls to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Chicago (CHI). 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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $212 (Delta) |
One-way from | $143 (Kiwi.com) |
Good round-trip deal | $576 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Chicago 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 21, 2026.
Use the filters below to find and compare flights from Great Falls to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Wed 11/4
1:10 pm-9:53 pm
1 stop7h 43m
Chicago O'Hare Intl
Sun 11/8
1:15 pm-10:53 pm
2 stops10h 38m
$324
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Mon 8/3
5:09 pm-6:20 am
1 stop12h 11m
Chicago O'Hare Intl
Sat 8/8
6:00 am-4:29 pm
1 stop11h 29m
$418
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Sat 7/4
12:30 pm-4:48 pm
Nonstop3h 18m
Chicago O'Hare Intl
Sat 7/18
4:12 pm-9:34 pm
1 stop6h 22m
$459
Quickest round-trip
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Thu 7/23
12:30 pm-4:48 pm
Nonstop3h 18m
Chicago O'Hare Intl
Tue 7/28
8:59 am-11:45 am
Nonstop3h 46m
$460
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Wed 7/1
1:20 pm-9:57 pm
1 stop7h 37m
Chicago O'Hare Intl
Tue 7/7
7:45 am-12:37 pm
1 stop5h 52m
$468
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Sat 8/1
2:37 pm-10:49 pm
1 stop7h 12m
Chicago O'Hare Intl
Sat 8/8
9:00 am-11:46 am
Nonstop3h 46m
$500
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Mon 8/3
2:37 pm-10:49 pm
1 stop7h 12m
Chicago O'Hare Intl
Sat 8/8
9:00 am-11:46 am
Nonstop3h 46m
$569
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Thu 7/30
2:37 pm-11:19 pm
1 stop7h 42m
Chicago O'Hare Intl
Sat 8/1
4:12 pm-9:34 pm
1 stop6h 22m
$585
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Fri 7/31
2:37 pm-11:19 pm
1 stop7h 42m
Chicago O'Hare Intl
Sat 8/1
9:00 am-11:46 am
Nonstop3h 46m
$613
Great FallsChicago
GTF - MDW
GTFMDW
Great Falls
Thu 9/17
5:40 am-6:33 pm
2 stops11h 53m
Chicago Midway
Mon 9/21
10:48 am-10:42 pm
2 stops12h 54m
$973
Showing 1-10 of 30 resultsSorted by cheapest first
Compare providers for flights from Great Falls to Chicago
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 Great Falls to Chicago 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 Great Falls-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Chicago 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 Great Falls-Chicago 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 Great Falls to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Great Falls with our price prediction graph.
GTF-CHI
GTF-ORD
GTF-MDW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Great Falls to Chicago
GTF-CHI
GTF-ORD
GTF-MDW
What is the cheapest time of day to fly from GTF to CHI?
Find hourly flight availability from Great Falls to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 21, 2026.
When flying from Great Falls to Chicago, 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 Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated June 21, 2026.
See what other customers who have flown with Delta and United Airlines from Great Falls to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
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 Great Falls to Chicago. 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 Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Hammond
Porter
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Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 21, 2026.
Complete your trip
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Great Falls and Chicago flights
Browse other Great Falls and Chicago flight options. Last updated on June 21, 2026.
Other flights from Great Falls
Browse through other flights departing from Great Falls. Flights are based on user searches made on Cheapflights and were last updated on June 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Great Falls to Chicago
Discover the top 2 airlines that operate flights from Great Falls to Chicago. 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 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$300 | Average$591 | FlexibilityNo cancel fee | On-time69% |