$194+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Great Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
One-way
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 August 4, 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 August 4, 2026.
This Delta deal was found by Cheapflights users on 7/31. 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 8/224:45 pm -
1 stop6h 53m
Wed 8/265:40 am -
1 stop5h 19m
Deal found 7/31![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 7/31. 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 8/224:45 pm -
1 stop6h 53m
Sat 8/291:08 pm -
2 stops9h 49m
Deal found 7/31![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 8/2. 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 8/236:59 am -
2 stops11h 39m
Sat 8/291:08 pm -
2 stops9h 49m
Deal found 8/2![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 8/4. 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 stops8h 44m
Deal found 8/4![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:45 am -
1 stop5h 50m
Mon 9/215:40 am -
1 stop5h 15m
Deal found 7/30![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:56 pm -
1 stop6h 16m
Tue 9/82:25 pm -
1 stop7h 21m
Deal found 8/2![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 9/137:45 am -
1 stop5h 50m
Sun 9/205:40 am -
1 stop5h 15m
Deal found 7/31![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 8/197:48 am -
1 stop5h 40m
Fri 8/281:08 pm -
1 stop7h 25m
Deal found 7/31![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 7/31. 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 8/224:45 pm -
1 stop6h 53m
Mon 8/246:18 pm -
2 stops14h 05m
Deal found 7/31![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 7/31. 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 8/228:28 am -
2 stops10h 10m
Tue 8/255:40 am -
2 stops14h 15m
Deal found 7/31![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 8/2. 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 8/185:30 am -
2 stops13h 08m
Sat 8/291:08 pm -
2 stops9h 49m
Deal found 8/2![Delta logo]()
$374
This Booking.com deal was found by Cheapflights users on 8/2. 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 12/38:42 pm -
1 stop20h 31m
Sun 12/64:55 pm -
1 stop13h 05m
Deal found 8/2![Alaska Airlines logo]()
$388
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 August 4, 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 August 4, 2026.
This Delta deal was found by Cheapflights users on 8/4. 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 stops8h 44m
Deal found 8/4![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:56 pm -
1 stop6h 16m
Tue 9/82:25 pm -
1 stop7h 21m
Deal found 8/2![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:45 am -
1 stop5h 50m
Sat 9/261:15 pm -
1 stop7h 45m
Deal found 7/30![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 9/137:45 am -
1 stop5h 50m
Sun 9/205:40 am -
1 stop5h 15m
Deal found 7/31![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/1. 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 10/244:20 pm -
1 stop6h 02m
Sat 10/312:45 pm -
1 stop8h 14m
Deal found 8/1![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 8/4. 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 10/315:40 am -
2 stops9h 46m
Deal found 8/4![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:51 pm -
2 stops9h 47m
Fri 8/286:18 pm -
2 stops14h 52m
Deal found 8/4![Delta logo]()
$899
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:24 am -
2 stops9h 14m
Sat 8/296:18 pm -
2 stops14h 41m
Deal found 8/4![Delta logo]()
$904
This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 9/141:19 pm -
2 stops10h 18m
Mon 9/215:40 am -
2 stops11h 39m
Deal found 7/31![Delta logo]()
$998
Last-minute flights from Chicago to Great FallsDiscover last-minute flight deals from Chicago to Great Falls. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Great Falls. Data last updated August 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/2. 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 8/185:30 am -
2 stops13h 08m
Mon 8/246:18 pm -
2 stops14h 05m
Deal found 8/2![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 8/197:48 am -
1 stop5h 40m
Fri 8/281:08 pm -
1 stop7h 25m
Deal found 7/31![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 8/197:48 am -
1 stop5h 40m
Mon 8/246:18 pm -
2 stops14h 05m
Deal found 7/31![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 7/31. 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 8/224:45 pm -
1 stop6h 53m
Wed 8/265:40 am -
1 stop5h 19m
Deal found 7/31![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 7/31. 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 8/224:45 pm -
1 stop6h 53m
Mon 8/246:18 pm -
2 stops14h 05m
Deal found 7/31![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 7/31. 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 8/228:28 am -
2 stops10h 10m
Tue 8/255:40 am -
2 stops14h 15m
Deal found 7/31![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 8/236:59 am -
2 stops11h 39m
Sat 8/291:08 pm -
1 stop7h 25m
Deal found 7/31![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:56 pm -
1 stop6h 16m
Tue 9/82:25 pm -
1 stop7h 21m
Deal found 8/2![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/114:26 pm -
1 stop5h 46m
Fri 9/182:25 pm -
1 stop7h 20m
Deal found 8/2![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 9/137:45 am -
1 stop5h 50m
Sun 9/205:40 am -
1 stop5h 15m
Deal found 7/31![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 8/4. 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 9/197:45 am -
1 stop5h 50m
Sat 9/265:40 am -
2 stops9h 57m
Deal found 8/4![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 8/4. 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 stops8h 44m
Deal found 8/4![Delta logo]()
$339
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 August 4, 2026.
Search for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Priceline deal was found by Cheapflights users on 7/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:00 am -
1 stop9h 39m
Deal found 7/31![Alaska Airlines logo]()
$194
This Priceline deal was found by Cheapflights users on 8/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:00 am -
1 stop9h 39m
Deal found 8/3![Alaska Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sat 8/151:50 pm -
2 stops31h 38m
Deal found 7/31![Multiple Airlines logo]()
$256
This Booking.com deal was found by Cheapflights users on 8/4. 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.
Sun 9/138:00 am -
1 stop9h 39m
Deal found 8/4![Alaska Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 pm -
1 stop22h 39m
Deal found 7/31![Alaska Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:06 am -
3 stops34h 22m
Deal found 8/1![Multiple Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 9/137:45 am -
1 stop5h 50m
Deal found 7/31![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 7/31. 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 9/123:29 pm -
2 stops8h 08m
Deal found 7/31![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sun 8/166:05 am -
2 stops28h 24m
Deal found 7/31![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sun 8/167:29 am -
1 stop27h 00m
Deal found 7/31![Multiple Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/208:40 am -
2 stops13h 32m
Deal found 7/30![United Airlines logo]()
$358
This Booking.com deal was found by Cheapflights users on 8/2. 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.
Mon 8/171:01 pm -
1 stop28h 28m
Deal found 8/2![Alaska Airlines logo]()
$360
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Delta) |
One-way from | $194 (Priceline) |
Popular in | January |
Cheapest in | December |
Average price | $521 |
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 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Chicago to Great Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Sat 9/19
9:59 am-5:41 pm
2 stops8h 42m
Great Falls
Sat 9/26
5:40 am-3:24 pm
2 stops8h 44m
$339
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 9/19
7:45 am-12:35 pm
1 stop5h 50m
Great Falls
Sat 9/26
1:15 pm-10:00 pm
1 stop7h 45m
$348
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Tue 9/1
3:56 pm-9:12 pm
1 stop6h 16m
Great Falls
Tue 9/8
2:25 pm-10:46 pm
1 stop7h 21m
$355
Quickest round-trip
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sun 9/13
7:45 am-12:35 pm
1 stop5h 50m
Great Falls
Sun 9/20
5:40 am-11:55 am
1 stop5h 15m
$358
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 10/24
4:20 pm-9:22 pm
1 stop6h 02m
Great Falls
Sat 10/31
2:45 pm-11:59 pm
1 stop8h 14m
$418
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 10/24
7:35 am-12:38 pm
1 stop6h 03m
Great Falls
Sat 10/31
5:40 am-4:26 pm
2 stops9h 46m
$434
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Mon 8/17
1:51 pm-10:38 pm
2 stops9h 47m
Great Falls
Fri 8/28
6:18 pm-10:10 am
2 stops14h 52m
$899
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Fri 8/21
9:24 am-5:38 pm
2 stops9h 14m
Great Falls
Sat 8/29
6:18 pm-9:59 am
2 stops14h 41m
$904
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Mon 9/14
1:19 pm-10:37 pm
2 stops10h 18m
Great Falls
Mon 9/21
5:40 am-6:19 pm
2 stops11h 39m
$998
Cheapest one-way
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 9/5
9:00 am-4:45 pm
1 stop8h 45m
$234
Showing 1-10 of 23 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Great Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Great Falls
Have a flexible travel schedule? Discover the best time to fly to Great Falls from Chicago with our price prediction graph.
CHI-GTF
ORD-GTF
MDW-GTF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Great Falls
CHI-GTF
ORD-GTF
MDW-GTF
What is the cheapest month to book a flight from Chicago to Great Falls?
Currently, February is the cheapest month in which you can book a flight from Chicago to Great Falls (average of $264). Flying from Chicago to Great Falls in January is currently the most expensive (average of $1,809). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to GTF?
Find hourly flight availability from Chicago to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2026.
When flying from Chicago to Great Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Chicago to Great Falls?
Airfare is below average for this route at the moment.
Chicago to Great Falls flights typically cost between $478 and $529 in August.The cheapest round-trip price found within the last 5 days was $328 on Delta (Aug 22-Aug 27).
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 August 4, 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
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$413 | FlexibilityNo cancel fee | On-timeN/A |