$159+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Mar 29 — Apr 51
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 February 27, 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 February 27, 2026.
This Delta deal was found by Cheapflights users on 2/24. 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.
Fri 4/37:20 am
ORD
- GTF
1 stop6h 04m
Delta
Fri 4/101:05 pm
GTF
- ORD
1 stop7h 29m
Delta
Deal found 2/24![Delta logo]()
$206
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:10 am
ORD
- GTF
2 stops11h 32m
Delta
Fri 4/175:30 am
GTF
- ORD
1 stop5h 21m
Delta
Deal found 2/24![Delta logo]()
$238
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Wed 4/87:00 am
ORD
- GTF
1 stop7h 31m
United Airlines
Fri 4/172:30 pm
GTF
- ORD
1 stop7h 58m
United Airlines
Deal found 2/24![United Airlines logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
ORD
- GTF
1 stop11h 26m
Alaska Airlines
Sat 4/185:06 pm
GTF
- ORD
1 stop12h 33m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 2/24. 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.
Tue 4/147:00 am
ORD
- GTF
2 stops11h 40m
Delta
Tue 4/211:09 pm
GTF
- ORD
1 stop7h 09m
Delta
Deal found 2/24![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:20 am
ORD
- GTF
1 stop6h 04m
Delta
Sun 3/155:30 am
GTF
- ORD
1 stop5h 48m
Delta
Deal found 2/24![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
ORD
- GTF
1 stop12h 35m
Alaska Airlines
Tue 5/126:15 pm
GTF
- ORD
2 stops23h 35m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:15 am
ORD
- GTF
1 stop6h 08m
Delta
Fri 8/76:20 pm
GTF
- ORD
2 stops12h 06m
Delta
Deal found 2/25![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:20 am
ORD
- GTF
1 stop6h 04m
Delta
Sat 3/141:05 pm
GTF
- ORD
1 stop7h 29m
Delta
Deal found 2/26![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 2/24. 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.
Tue 4/142:12 pm
MDW
- GTF
2 stops9h 17m
Delta
Tue 4/215:30 am
GTF
- MDW
2 stops7h 02m
Delta
Deal found 2/24![Delta logo]()
$458
This Delta deal was found by Cheapflights users on 2/25. 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 3/21:29 pm
MDW
- GTF
2 stops10h 00m
Delta
Mon 3/96:22 pm
GTF
- MDW
2 stops14h 34m
Delta
Deal found 2/25![Delta logo]()
$569
This Delta deal was found by Cheapflights users on 2/25. 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 4/119:35 am
MDW
- GTF
2 stops9h 07m
Delta
Sat 4/185:30 am
GTF
- MDW
2 stops11h 28m
Delta
Deal found 2/25![Delta logo]()
$669
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 February 27, 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 February 27, 2026.
This Delta deal was found by Cheapflights users on 2/24. 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.
Fri 4/37:20 am
ORD
- GTF
1 stop6h 04m
Delta
Fri 4/101:05 pm
GTF
- ORD
1 stop7h 29m
Delta
Deal found 2/24![Delta logo]()
$206
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
ORD
- GTF
1 stop11h 26m
Alaska Airlines
Sat 4/185:06 pm
GTF
- ORD
1 stop12h 33m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 2/25. 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 3/284:08 pm
ORD
- GTF
1 stop6h 03m
United Airlines
Sun 4/52:30 pm
GTF
- ORD
1 stop7h 58m
United Airlines
Deal found 2/25![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:20 am
ORD
- GTF
1 stop6h 04m
Delta
Sun 3/155:30 am
GTF
- ORD
1 stop5h 48m
Delta
Deal found 2/24![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
ORD
- GTF
1 stop12h 35m
Alaska Airlines
Tue 5/126:15 pm
GTF
- ORD
2 stops23h 35m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:20 am
ORD
- GTF
1 stop6h 04m
Delta
Sat 3/141:05 pm
GTF
- ORD
1 stop7h 29m
Delta
Deal found 2/26![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:29 pm
ORD
- GTF
1 stop23h 48m
Alaska Airlines
Sun 3/84:57 pm
GTF
- ORD
1 stop18h 04m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 2/24. 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.
Tue 4/142:12 pm
MDW
- GTF
2 stops9h 17m
Delta
Tue 4/215:30 am
GTF
- MDW
2 stops7h 02m
Delta
Deal found 2/24![Delta logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:45 am
ORD
- GTF
2 stops31h 32m
Alaska Airlines
Sun 3/154:57 pm
GTF
- ORD
2 stops24h 11m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 2/25. 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 4/119:35 am
MDW
- GTF
2 stops9h 07m
Delta
Sat 4/185:30 am
GTF
- MDW
2 stops11h 28m
Delta
Deal found 2/25![Delta logo]()
$669
This Delta deal was found by Cheapflights users on 2/25. 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 3/126:00 am
MDW
- GTF
2 stops12h 42m
Delta
Mon 3/165:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/25![Delta logo]()
$727
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:45 am
MDW
- GTF
2 stops12h 45m
Delta
Sat 3/145:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/26![Delta logo]()
$809
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:35 am
MDW
- GTF
2 stops9h 07m
Delta
Fri 4/175:30 am
GTF
- MDW
2 stops7h 02m
Delta
Deal found 2/24![Delta logo]()
$878
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:10 pm
MDW
- GTF
2 stops10h 20m
Delta
Sun 3/155:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/24![Delta logo]()
$964
This Delta deal was found by Cheapflights users on 2/25. 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 7/162:00 pm
MDW
- GTF
2 stops9h 44m
Delta
Mon 7/206:20 pm
GTF
- MDW
2 stops13h 22m
Delta
Deal found 2/25![Delta logo]()
$1,199
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2810:45 am
MDW
- GTF
2 stops12h 45m
Delta
Sat 4/46:22 pm
GTF
- MDW
2 stops14h 34m
Delta
Deal found 2/26![Delta logo]()
$1,309
Last-minute flights from Chicago to Great FallsDiscover last-minute flight deals from Chicago to Great Falls. Data last updated February 27, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Great Falls. Data last updated February 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/25. 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 3/21:29 pm
MDW
- GTF
2 stops10h 00m
Delta
Mon 3/96:22 pm
GTF
- MDW
2 stops14h 34m
Delta
Deal found 2/25![Delta logo]()
$569
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:20 am
ORD
- GTF
1 stop6h 04m
Delta
Sun 3/155:30 am
GTF
- ORD
1 stop5h 48m
Delta
Deal found 2/24![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:20 am
ORD
- GTF
1 stop6h 04m
Delta
Sat 3/141:05 pm
GTF
- ORD
1 stop7h 29m
Delta
Deal found 2/26![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:45 am
MDW
- GTF
2 stops12h 45m
Delta
Sat 3/145:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/26![Delta logo]()
$809
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:10 pm
MDW
- GTF
2 stops10h 20m
Delta
Sun 3/155:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/24![Delta logo]()
$964
This Delta deal was found by Cheapflights users on 2/25. 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 3/126:15 am
ORD
- GTF
2 stops12h 27m
Delta
Mon 3/166:22 pm
GTF
- ORD
2 stops13h 08m
Delta
Deal found 2/25![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 2/25. 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 3/126:00 am
MDW
- GTF
2 stops12h 42m
Delta
Mon 3/165:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/25![Delta logo]()
$727
This United Airlines deal was found by Cheapflights users on 2/25. 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.
Fri 3/204:08 pm
ORD
- GTF
1 stop6h 03m
United Airlines
Sun 3/222:30 pm
GTF
- ORD
1 stop8h 22m
United Airlines
Deal found 2/25![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 2/25. 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 3/214:08 pm
ORD
- GTF
1 stop6h 03m
United Airlines
Sun 3/222:30 pm
GTF
- ORD
1 stop8h 22m
United Airlines
Deal found 2/25![United Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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.
Mon 3/236:00 am
ORD
- GTF
1 stop11h 26m
Alaska Airlines
Mon 3/305:06 pm
GTF
- ORD
1 stop12h 33m
Alaska Airlines
Deal found 2/23![Alaska Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 2/25. 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 3/284:08 pm
ORD
- GTF
1 stop6h 03m
United Airlines
Sun 4/52:30 pm
GTF
- ORD
1 stop7h 58m
United Airlines
Deal found 2/25![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Sat 3/282:45 pm
ORD
- GTF
1 stop7h 26m
United Airlines
Sat 4/42:30 pm
GTF
- ORD
1 stop7h 28m
United Airlines
Deal found 2/26![United Airlines logo]()
$477
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 February 27, 2026.
Search for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated February 27, 2026.
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:35 am
ORD
- GTF
1 stop5h 52m
Delta
Deal found 2/25![Delta logo]()
$159
This United Airlines deal was found by Cheapflights users on 2/27. 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 7/102:33 pm
ORD
- GTF
1 stop8h 01m
United Airlines
Deal found 2/27![United Airlines logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:02 am
ORD
- GTF
1 stop9h 21m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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.
Thu 7/165:39 pm
ORD
- GTF
1 stop23h 44m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 7/1612:44 pm
ORD
- GTF
2 stops21h 50m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:15 am
ORD
- GTF
1 stop6h 08m
Delta
Deal found 2/25![Delta logo]()
$234
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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 5/209:00 am
ORD
- GTF
2 stops34h 12m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 2/27. 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 5/201:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Deal found 2/27![Delta logo]()
$248
This United Airlines deal was found by Cheapflights users on 2/25. 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 8/18:40 am
ORD
- GTF
Nonstop3h 43m
United Airlines
Deal found 2/25![United Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Sun 4/196:20 am
ORD
- GTF
2 stops29h 32m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:00 am
ORD
- GTF
1 stop10h 17m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 2/25. 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.
Wed 7/156:00 am
MDW
- GTF
2 stops12h 39m
Delta
Deal found 2/25![Delta logo]()
$350
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 February 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $206 (Delta) |
One-way from | $159 (Delta) |
Popular in | January |
Cheapest in | December |
Average price | $264 |
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 February 27, 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
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Fri 4/3
7:20 am-12:24 pm
1 stop6h 04m
Great Falls
Fri 4/10
1:05 pm-9:34 pm
1 stop7h 29m
$206
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 4/11
6:00 am-4:26 pm
1 stop11h 26m
Great Falls
Sat 4/18
5:06 pm-6:39 am
1 stop12h 33m
$266
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 3/11
7:20 am-12:24 pm
1 stop6h 04m
Great Falls
Sun 3/15
5:30 am-12:18 pm
1 stop5h 48m
$318
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Thu 5/7
6:00 am-5:35 pm
1 stop12h 35m
Great Falls
Tue 5/12
6:15 pm-6:50 pm
2 stops23h 35m
$325
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 3/11
7:20 am-12:24 pm
1 stop6h 04m
Great Falls
Sat 3/14
1:05 pm-9:34 pm
1 stop7h 29m
$337
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 3/28
4:08 pm-9:11 pm
1 stop6h 03m
Great Falls
Sun 4/5
2:30 pm-11:28 pm
1 stop7h 58m
$413
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Tue 4/14
2:12 pm-10:29 pm
2 stops9h 17m
Great Falls
Tue 4/21
5:30 am-1:32 pm
2 stops7h 02m
$458
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Thu 3/5
5:29 pm-4:17 pm
1 stop23h 48m
Great Falls
Sun 3/8
4:57 pm-12:01 pm
1 stop18h 04m
$488
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 3/11
9:45 am-4:17 pm
2 stops31h 32m
Great Falls
Sun 3/15
4:57 pm-6:08 pm
2 stops24h 11m
$544
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Sat 4/11
9:35 am-5:42 pm
2 stops9h 07m
Great Falls
Sat 4/18
5:30 am-5:58 pm
2 stops11h 28m
$669
Showing 1-10 of 29 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 February.
| 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
No data available for this route at this time. Please check back soon.
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 February 27, 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.
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 February 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$328 | Average$477 | FlexibilityNo cancel fee | On-time69% |