$244+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Great Falls with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Chicago to Great FallsExplore the most affordable flight options available from Chicago to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 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 September 1, 2026.
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/247:35 am -
1 stop6h 03m
Sat 10/311:18 pm -
1 stop7h 47m
Deal found 9/1![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 8/27. 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.
Fri 11/137:35 am -
1 stop6h 06m
Sun 11/156:19 pm -
2 stops13h 22m
Deal found 8/27![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/177:35 am -
1 stop6h 06m
Sun 11/221:21 pm -
1 stop7h 26m
Deal found 8/29![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:25 am -
2 stops10h 16m
Sat 9/265:40 am -
1 stop5h 15m
Deal found 8/29![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/235:55 am -
1 stop8h 34m
Tue 9/292:37 pm -
1 stop7h 09m
Deal found 8/31![United Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/149:30 am -
1 stop7h 49m
Wed 11/184:59 pm -
1 stop11h 41m
Deal found 8/29![Alaska Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/143:56 pm -
1 stop6h 42m
Wed 11/186:30 am -
1 stop5h 45m
Deal found 8/31![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:45 am -
1 stop5h 50m
Sat 9/195:40 am -
2 stops9h 34m
Deal found 8/31![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/39:24 am -
2 stops9h 14m
Sun 9/65:40 am -
2 stops10h 19m
Deal found 8/27![Delta logo]()
$479
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:59 am -
2 stops8h 42m
Sat 9/265:40 am -
2 stops11h 19m
Deal found 8/29![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:29 am -
2 stops9h 12m
Sat 9/195:40 am -
2 stops11h 42m
Deal found 8/31![Delta logo]()
$634
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/186:00 am -
2 stops12h 39m
Sat 11/215:30 am -
2 stops10h 09m
Deal found 8/29![Delta logo]()
$684
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 September 1, 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 September 1, 2026.
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/247:35 am -
1 stop6h 03m
Sat 10/311:18 pm -
1 stop7h 47m
Deal found 8/31![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/235:55 am -
1 stop8h 34m
Tue 9/292:37 pm -
1 stop7h 09m
Deal found 8/31![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/187:35 am -
1 stop6h 06m
Sat 11/216:19 pm -
2 stops14h 06m
Deal found 8/29![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/173:47 pm -
2 stops7h 59m
Sat 11/211:21 pm -
1 stop7h 26m
Deal found 8/29![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/248:40 am -
2 stops13h 42m
Sat 10/312:45 pm -
1 stop5h 45m
Deal found 9/1![United Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/176:49 am -
2 stops11h 50m
Sun 11/221:21 pm -
2 stops9h 33m
Deal found 8/29![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Sun 9/135:55 am -
1 stop8h 34m
Mon 9/212:25 pm -
1 stop7h 21m
Deal found 8/27![United Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:29 am -
2 stops9h 12m
Sat 9/195:40 am -
2 stops11h 42m
Deal found 8/31![Delta logo]()
$634
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/186:00 am -
2 stops12h 39m
Sat 11/215:30 am -
2 stops10h 09m
Deal found 8/29![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 8/27. 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.
Sat 9/199:59 am -
2 stops8h 42m
Sat 9/265:40 am -
2 stops11h 42m
Deal found 8/27![Delta logo]()
$754
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/159:29 am -
2 stops9h 18m
Thu 10/225:40 am -
2 stops11h 20m
Deal found 8/31![Delta logo]()
$1,044
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:59 am -
2 stops8h 42m
Tue 9/295:40 am -
2 stops11h 39m
Deal found 8/29![Delta logo]()
$1,044
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 10/1110:01 am -
2 stops8h 46m
Sun 10/185:40 am -
2 stops11h 20m
Deal found 8/27![Delta logo]()
$1,750
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/1011:35 am -
2 stops12h 02m
Sun 9/135:40 am -
2 stops11h 53m
Deal found 8/27![Delta logo]()
$2,150
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/1210:01 am -
2 stops8h 46m
Mon 10/195:40 am -
2 stops9h 34m
Deal found 8/28![Delta logo]()
$2,741
Last-minute flights from Chicago to Great FallsDiscover last-minute flight deals from Chicago to Great Falls. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Great Falls. Data last updated September 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/35:55 am -
1 stop8h 34m
Sun 9/66:15 am -
1 stop6h 14m
Deal found 8/27![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/38:28 am -
2 stops10h 10m
Sun 9/65:40 am -
1 stop5h 19m
Deal found 8/27![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/39:24 am -
2 stops9h 14m
Sun 9/65:40 am -
2 stops10h 19m
Deal found 8/27![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/117:00 am -
1 stop7h 29m
Tue 9/152:25 pm -
1 stop7h 21m
Deal found 8/27![United Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 8/27. 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.
Fri 9/1111:35 am -
2 stops12h 02m
Tue 9/155:40 am -
2 stops11h 53m
Deal found 8/27![Delta logo]()
$1,599
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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.
Sun 9/135:55 am -
1 stop8h 34m
Mon 9/212:25 pm -
1 stop7h 21m
Deal found 8/28![United Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:45 am -
1 stop5h 50m
Sat 9/195:40 am -
2 stops9h 34m
Deal found 8/31![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:29 am -
2 stops9h 12m
Sat 9/195:40 am -
2 stops11h 42m
Deal found 8/31![Delta logo]()
$634
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:25 am -
2 stops10h 16m
Sat 9/265:40 am -
1 stop5h 15m
Deal found 8/29![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:59 am -
2 stops8h 42m
Sat 9/265:40 am -
2 stops11h 19m
Deal found 8/29![Delta logo]()
$564
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/235:55 am -
1 stop8h 34m
Tue 9/292:37 pm -
1 stop7h 09m
Deal found 8/31![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:59 am -
2 stops8h 42m
Tue 9/295:40 am -
2 stops11h 39m
Deal found 8/29![Delta logo]()
$1,044
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 September 1, 2026.
Search for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Booking.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 pm -
1 stop22h 39m
Deal found 8/31![Alaska Airlines logo]()
$244
This Booking.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 pm -
1 stop22h 39m
Deal found 8/30![Alaska Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/242:30 pm -
1 stop7h 52m
Deal found 8/30![United Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/110:48 am -
2 stops12h 49m
Deal found 8/31![Delta logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/15:30 pm -
3 stops24h 09m
Deal found 8/27![Multiple Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/258:50 am -
3 stops13h 32m
Deal found 8/30![United Airlines logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/16:46 pm -
3 stops46h 49m
Deal found 8/31![Multiple Airlines logo]()
$852
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/248:55 pm -
3 stops44h 44m
Deal found 8/30![Multiple Airlines logo]()
$877
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Delta) |
One-way from | $244 (Booking.com) |
Good round-trip deal | $558 or less |
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 7,457,451 searches. Data last updated September 1, 2026.
Use the filters below to find and compare flights from Chicago to Great Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoGreat Falls
ORD Chicago O'Hare Intl - GTF Great Falls
ORDGTF
Chicago O'Hare Intl
Sat 10/24
7:35 am-12:38 pm
1 stop6h 03m
Great Falls
Sat 10/31
1:18 pm-10:05 pm
1 stop7h 47m
$328
ChicagoGreat Falls
ORD Chicago O'Hare Intl - GTF Great Falls
ORDGTF
Chicago O'Hare Intl
Wed 11/18
7:35 am-12:41 pm
1 stop6h 06m
Great Falls
Sat 11/21
6:19 pm-9:25 am
2 stops14h 06m
$334
ChicagoGreat Falls
ORD Chicago O'Hare Intl - GTF Great Falls
ORDGTF
Chicago O'Hare Intl
Tue 11/17
3:47 pm-10:46 pm
2 stops7h 59m
Great Falls
Sat 11/21
1:21 pm-9:47 pm
1 stop7h 26m
$334
ChicagoGreat Falls
ORD Chicago O'Hare Intl - GTF Great Falls
ORDGTF
Chicago O'Hare Intl
Wed 9/23
5:55 am-1:29 pm
1 stop8h 34m
Great Falls
Tue 9/29
2:37 pm-10:46 pm
1 stop7h 09m
$397
ChicagoGreat Falls
ORD Chicago O'Hare Intl - GTF Great Falls
ORDGTF
Chicago O'Hare Intl
Tue 11/17
6:49 am-5:39 pm
2 stops11h 50m
Great Falls
Sun 11/22
1:21 pm-11:54 pm
2 stops9h 33m
$438
ChicagoGreat Falls
ORD Chicago O'Hare Intl - GTF Great Falls
ORDGTF
Chicago O'Hare Intl
Sat 10/24
8:40 am-9:22 pm
2 stops13h 42m
Great Falls
Sat 10/31
2:45 pm-9:30 pm
1 stop5h 45m
$487
ChicagoGreat Falls
ORD Chicago O'Hare Intl - GTF Great Falls
ORDGTF
Chicago O'Hare Intl
Sun 9/13
5:55 am-1:29 pm
1 stop8h 34m
Great Falls
Mon 9/21
2:25 pm-10:46 pm
1 stop7h 21m
$523
ChicagoGreat Falls
MDW Chicago Midway - GTF Great Falls
MDWGTF
Chicago Midway
Tue 9/15
9:29 am-5:41 pm
2 stops9h 12m
Great Falls
Sat 9/19
5:40 am-6:22 pm
2 stops11h 42m
$634
ChicagoGreat Falls
MDW Chicago Midway - GTF Great Falls
MDWGTF
Chicago Midway
Wed 11/18
6:00 am-5:39 pm
2 stops12h 39m
Great Falls
Sat 11/21
5:30 am-4:39 pm
2 stops10h 09m
$684
ChicagoGreat Falls
MDW Chicago Midway - GTF Great Falls
MDWGTF
Chicago Midway
Sat 9/19
9:59 am-5:41 pm
2 stops8h 42m
Great Falls
Sat 9/26
5:40 am-6:22 pm
2 stops11h 42m
$754
Showing 1-10 of 22 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 September.
| 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 September 1, 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.
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - 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.
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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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$413 | FlexibilityNo cancel fee | On-timeN/A |