$165+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Mar 15 — Mar 221
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 13, 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 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/292:33 pm
ORD
- GTF
1 stop7h 46m
United Airlines
Tue 6/22:29 pm
GTF
- ORD
1 stop6h 10m
United Airlines
Deal found 2/10![United Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 2/13. 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 4/107:20 am
ORD
- GTF
1 stop6h 04m
Delta
Mon 4/135:30 am
GTF
- ORD
1 stop5h 21m
Delta
Deal found 2/13![Delta logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 4/108:00 am
ORD
- GTF
1 stop9h 26m
Alaska Airlines
Mon 4/135:06 pm
GTF
- ORD
1 stop12h 33m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 2/12. 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 5/292:00 pm
ORD
- GTF
2 stops9h 26m
Delta
Mon 6/11:07 pm
GTF
- ORD
1 stop7h 43m
Delta
Deal found 2/12![Delta logo]()
$268
This United Airlines deal was found by Cheapflights users on 2/11. 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 8/16:00 am
ORD
- GTF
1 stop8h 33m
United Airlines
Sat 8/82:29 pm
GTF
- ORD
1 stop7h 15m
United Airlines
Deal found 2/11![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 2/10. 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 5/292:00 pm
ORD
- GTF
2 stops9h 26m
Delta
Tue 6/21:07 pm
GTF
- ORD
1 stop7h 43m
Delta
Deal found 2/10![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 2/12. 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
Sat 8/86:20 pm
GTF
- ORD
2 stops12h 06m
Delta
Deal found 2/12![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 2/13. 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 3/1912:47 pm
MDW
- GTF
2 stops10h 43m
Delta
Tue 3/315:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/13![Delta logo]()
$528
This Delta deal was found by Cheapflights users on 2/10. 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 2/251:26 pm
MDW
- GTF
2 stops10h 03m
Delta
Sun 3/15:20 am
GTF
- MDW
2 stops11h 17m
Delta
Deal found 2/10![Delta logo]()
$689
This Delta deal was found by Cheapflights users on 2/11. 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 5/291:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Tue 6/25:40 am
GTF
- MDW
2 stops11h 34m
Delta
Deal found 2/11![Delta logo]()
$724
This Delta deal was found by Cheapflights users on 2/12. 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 5/291:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Mon 6/15:40 am
GTF
- MDW
2 stops11h 34m
Delta
Deal found 2/12![Delta logo]()
$934
This Delta deal was found by Cheapflights users on 2/12. 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 2/276:00 am
MDW
- GTF
2 stops12h 33m
Delta
Tue 3/35:20 am
GTF
- MDW
2 stops11h 17m
Delta
Deal found 2/12![Delta logo]()
$1,009
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 13, 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 13, 2026.
This Delta deal was found by Cheapflights users on 2/13. 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 4/107:20 am
ORD
- GTF
1 stop6h 04m
Delta
Mon 4/135:30 am
GTF
- ORD
1 stop5h 21m
Delta
Deal found 2/13![Delta logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 4/108:00 am
ORD
- GTF
1 stop9h 26m
Alaska Airlines
Mon 4/135:06 pm
GTF
- ORD
1 stop12h 33m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/192:01 pm
ORD
- GTF
1 stop8h 10m
United Airlines
Tue 3/312:30 pm
GTF
- ORD
1 stop5h 50m
United Airlines
Deal found 2/12![United Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 2/257:00 am
ORD
- GTF
1 stop11h 48m
Alaska Airlines
Sun 3/14:57 pm
GTF
- ORD
1 stop18h 04m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 2/10. 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 2/257:15 am
ORD
- GTF
1 stop6h 15m
Delta
Sun 3/15:20 am
GTF
- ORD
2 stops12h 39m
Delta
Deal found 2/10![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 3/177:00 am
ORD
- GTF
1 stop10h 17m
Alaska Airlines
Fri 3/205:06 pm
GTF
- ORD
1 stop29h 53m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 2/13. 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 3/1912:47 pm
MDW
- GTF
2 stops10h 43m
Delta
Tue 3/315:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/13![Delta logo]()
$528
This Delta deal was found by Cheapflights users on 2/10. 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 2/251:26 pm
MDW
- GTF
2 stops10h 03m
Delta
Sun 3/15:20 am
GTF
- MDW
2 stops11h 17m
Delta
Deal found 2/10![Delta logo]()
$689
This Delta deal was found by Cheapflights users on 2/11. 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 5/291:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Tue 6/25:40 am
GTF
- MDW
2 stops11h 34m
Delta
Deal found 2/11![Delta logo]()
$724
This Delta deal was found by Cheapflights users on 2/12. 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 5/291:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Mon 6/15:40 am
GTF
- MDW
2 stops11h 34m
Delta
Deal found 2/12![Delta logo]()
$934
This Delta deal was found by Cheapflights users on 2/12. 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 2/276:00 am
MDW
- GTF
2 stops12h 33m
Delta
Tue 3/35:20 am
GTF
- MDW
2 stops11h 17m
Delta
Deal found 2/12![Delta logo]()
$1,009
Last-minute flights from Chicago to Great FallsDiscover last-minute flight deals from Chicago to Great Falls. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Great Falls. Data last updated February 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/12. 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 2/187:15 am
ORD
- GTF
1 stop6h 15m
Delta
Fri 2/205:20 am
GTF
- ORD
1 stop5h 59m
Delta
Deal found 2/12![Delta logo]()
$529
This Delta deal was found by Cheapflights users on 2/12. 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 2/189:34 am
MDW
- GTF
2 stops8h 59m
Delta
Fri 2/205:20 am
GTF
- MDW
2 stops11h 17m
Delta
Deal found 2/12![Delta logo]()
$1,040
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 2/257:00 am
ORD
- GTF
1 stop11h 48m
Alaska Airlines
Sun 3/14:57 pm
GTF
- ORD
1 stop18h 04m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 2/10. 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 2/257:15 am
ORD
- GTF
1 stop6h 15m
Delta
Sun 3/15:20 am
GTF
- ORD
2 stops12h 39m
Delta
Deal found 2/10![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 2/10. 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 2/251:26 pm
MDW
- GTF
2 stops10h 03m
Delta
Sun 3/15:20 am
GTF
- MDW
2 stops11h 17m
Delta
Deal found 2/10![Delta logo]()
$689
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 2/277:00 am
ORD
- GTF
1 stop10h 17m
Alaska Airlines
Tue 3/34:57 pm
GTF
- ORD
1 stop20h 14m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 2/12. 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 2/276:00 am
MDW
- GTF
2 stops12h 33m
Delta
Tue 3/35:20 am
GTF
- MDW
2 stops11h 17m
Delta
Deal found 2/12![Delta logo]()
$1,009
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 3/177:00 am
ORD
- GTF
1 stop10h 17m
Alaska Airlines
Fri 3/205:06 pm
GTF
- ORD
1 stop29h 53m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/192:01 pm
ORD
- GTF
1 stop8h 10m
United Airlines
Tue 3/312:30 pm
GTF
- ORD
1 stop5h 50m
United Airlines
Deal found 2/12![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 2/13. 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 3/1912:47 pm
MDW
- GTF
2 stops10h 43m
Delta
Tue 3/315:30 am
GTF
- MDW
2 stops11h 24m
Delta
Deal found 2/13![Delta logo]()
$528
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 13, 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 13, 2026.
This Delta deal was found by Cheapflights users on 2/13. 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 5/291:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Deal found 2/13![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 2/12. 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 5/292:00 pm
ORD
- GTF
2 stops9h 26m
Delta
Deal found 2/12![Delta logo]()
$165
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/192:01 pm
ORD
- GTF
1 stop8h 10m
United Airlines
Deal found 2/12![United Airlines logo]()
$188
This Delta deal was found by Cheapflights users on 2/13. 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 2/237:15 am
ORD
- GTF
1 stop6h 15m
Delta
Deal found 2/13![Delta logo]()
$214
This Delta deal was found by Cheapflights users on 2/12. 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 2/187:15 am
ORD
- GTF
1 stop6h 15m
Delta
Deal found 2/12![Delta logo]()
$265
This Delta deal was found by Cheapflights users on 2/12. 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 2/1812:45 pm
MDW
- GTF
2 stops10h 44m
Delta
Deal found 2/12![Delta logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 5/2110:00 am
ORD
- GTF
1 stop9h 12m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$274
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 2/239:45 am
ORD
- GTF
2 stops31h 32m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 3/194:10 pm
ORD
- GTF
2 stops25h 16m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 2/13. 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 2/231:28 pm
MDW
- GTF
2 stops10h 01m
Delta
Deal found 2/13![Delta logo]()
$330
This Delta deal was found by Cheapflights users on 2/12. 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 3/1912:47 pm
MDW
- GTF
2 stops10h 43m
Delta
Deal found 2/12![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 2/12. 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 5/219:23 am
MDW
- GTF
2 stops9h 17m
Delta
Deal found 2/12![Delta logo]()
$410
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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $258 (United Airlines) |
One-way from | $165 (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 13, 2026.
Use the filters below to find and compare flights from Chicago to Great Falls that are best for you.
Fly from
Chicago
Fly to
Great Falls
Route
Depart
Return
Price
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Fri 4/10
7:20 am-12:24 pm
1 stop6h 04m
Great Falls
Mon 4/13
5:30 am-11:51 am
1 stop5h 21m
$262
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Fri 4/10
8:00 am-4:26 pm
1 stop9h 26m
Great Falls
Mon 4/13
5:06 pm-6:39 am
1 stop12h 33m
$266
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 2/25
7:00 am-5:48 pm
1 stop11h 48m
Great Falls
Sun 3/1
4:57 pm-12:01 pm
1 stop18h 04m
$358
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Thu 3/19
2:01 pm-9:11 pm
1 stop8h 10m
Great Falls
Tue 3/31
2:30 pm-9:20 pm
1 stop5h 50m
$415
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 2/25
7:15 am-12:30 pm
1 stop6h 15m
Great Falls
Sun 3/1
5:20 am-6:59 pm
2 stops12h 39m
$424
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Tue 3/17
7:00 am-4:17 pm
1 stop10h 17m
Great Falls
Fri 3/20
5:06 pm-11:59 pm
1 stop29h 53m
$441
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Thu 3/19
12:47 pm-10:30 pm
2 stops10h 43m
Great Falls
Tue 3/31
5:30 am-5:54 pm
2 stops11h 24m
$528
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Wed 2/25
1:26 pm-10:29 pm
2 stops10h 03m
Great Falls
Sun 3/1
5:20 am-5:37 pm
2 stops11h 17m
$689
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Fri 5/29
1:22 pm-10:26 pm
2 stops10h 04m
Great Falls
Tue 6/2
5:40 am-6:14 pm
2 stops11h 34m
$724
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Fri 5/29
1:22 pm-10:26 pm
2 stops10h 04m
Great Falls
Mon 6/1
5:40 am-6:14 pm
2 stops11h 34m
$934
Showing 1-10 of 24 results
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
MDW-GTF
ORD-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
MDW-GTF
ORD-GTF
How much does it cost to fly round-trip from Chicago to Great Falls?
Reviews of airlines servicing Great Falls
Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated February 13, 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
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Overall
7.9
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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$328 | Average$507 | FlexibilityNo cancel fee | On-time69% |