$214+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Jul 8 — Jul 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 June 8, 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 June 8, 2026.
This Orbitz deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:03 pm
ORD
- GTF
1 stop28h 36m
Alaska Airlines
Sat 9/265:19 pm
GTF
- ORD
1 stop12h 01m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/4. 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 10/249:30 am
ORD
- GTF
2 stops9h 13m
Delta
Sat 10/311:10 pm
GTF
- ORD
1 stop7h 43m
Delta
Deal found 6/4![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 6/4. 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 9/125:00 pm
ORD
- GTF
1 stop6h 44m
Delta
Sun 9/201:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Deal found 6/4![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 6/7. 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 9/187:45 am
ORD
- GTF
1 stop5h 50m
Delta
Sat 9/267:00 am
GTF
- ORD
2 stops9h 23m
Delta
Deal found 6/7![Delta logo]()
$359
This Orbitz deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
ORD
- GTF
1 stop11h 29m
Alaska Airlines
Sun 8/165:09 pm
GTF
- ORD
1 stop12h 11m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:45 am
ORD
- GTF
1 stop5h 55m
Delta
Sat 7/115:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 6/3![Delta logo]()
$383
This Expedia deal was found by Cheapflights users on 6/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:20 pm
ORD
- GTF
1 stop21h 09m
Alaska Airlines
Sun 8/165:09 pm
GTF
- ORD
2 stops26h 19m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:14 pm
MDW
- GTF
2 stops10h 28m
Delta
Sat 9/267:00 am
GTF
- MDW
2 stops10h 11m
Delta
Deal found 6/7![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Mon 7/136:25 pm
GTF
- MDW
2 stops17h 44m
Delta
Deal found 6/7![Delta logo]()
$616
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Thu 7/96:25 pm
GTF
- MDW
2 stops13h 12m
Delta
Deal found 6/7![Delta logo]()
$636
This Delta deal was found by Cheapflights users on 6/5. 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 7/231:18 pm
MDW
- GTF
2 stops10h 19m
Delta
Mon 7/275:40 am
GTF
- MDW
2 stops11h 38m
Delta
Deal found 6/5![Delta logo]()
$759
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Fri 7/106:25 pm
GTF
- MDW
2 stops13h 48m
Delta
Deal found 6/3![Delta logo]()
$769
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 June 8, 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 June 8, 2026.
This Delta deal was found by Cheapflights users on 6/6. 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 10/247:05 am
ORD
- GTF
2 stops11h 38m
Delta
Sat 10/315:30 am
GTF
- ORD
1 stop5h 55m
Delta
Deal found 6/6![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:31 am
ORD
- GTF
1 stop7h 46m
Alaska Airlines
Tue 11/104:57 pm
GTF
- ORD
1 stop30h 00m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 6/4. 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 9/125:00 pm
ORD
- GTF
1 stop6h 44m
Delta
Sun 9/201:15 pm
GTF
- ORD
1 stop7h 32m
Delta
Deal found 6/4![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:45 am
ORD
- GTF
1 stop5h 55m
Delta
Sat 7/115:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 6/3![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 11/77:00 am
ORD
- GTF
1 stop10h 17m
Alaska Airlines
Wed 11/114:57 pm
GTF
- ORD
1 stop11h 43m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 6/7. 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 8/127:48 am
ORD
- GTF
1 stop5h 40m
Delta
Sat 8/151:08 pm
GTF
- ORD
1 stop7h 22m
Delta
Deal found 6/7![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 6/7. 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 7/137:45 am
ORD
- GTF
1 stop5h 52m
Delta
Mon 7/201:17 pm
GTF
- ORD
1 stop7h 12m
Delta
Deal found 6/7![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 8/18:20 pm
ORD
- GTF
1 stop21h 09m
Alaska Airlines
Sat 8/85:09 pm
GTF
- ORD
1 stop12h 11m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 6/5. 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 7/237:45 am
ORD
- GTF
1 stop5h 52m
Delta
Mon 7/275:40 am
GTF
- ORD
2 stops10h 19m
Delta
Deal found 6/5![Delta logo]()
$479
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Mon 7/136:25 pm
GTF
- MDW
2 stops17h 44m
Delta
Deal found 6/7![Delta logo]()
$616
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Thu 7/96:25 pm
GTF
- MDW
2 stops13h 12m
Delta
Deal found 6/7![Delta logo]()
$636
This Delta deal was found by Cheapflights users on 6/5. 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 7/231:18 pm
MDW
- GTF
2 stops10h 19m
Delta
Mon 7/275:40 am
GTF
- MDW
2 stops11h 38m
Delta
Deal found 6/5![Delta logo]()
$759
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Fri 7/106:25 pm
GTF
- MDW
2 stops13h 48m
Delta
Deal found 6/3![Delta logo]()
$769
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 am
MDW
- GTF
2 stops12h 44m
Delta
Fri 7/106:25 pm
GTF
- MDW
2 stops13h 48m
Delta
Deal found 6/3![Delta logo]()
$779
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:18 pm
MDW
- GTF
2 stops10h 19m
Delta
Sat 7/115:40 am
GTF
- MDW
2 stops11h 12m
Delta
Deal found 6/7![Delta logo]()
$849
Last-minute flights from Chicago to Great FallsDiscover last-minute flight deals from Chicago to Great Falls. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Great Falls. Data last updated June 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/4. 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 7/37:45 am
ORD
- GTF
1 stop5h 55m
Delta
Fri 7/101:17 pm
GTF
- ORD
1 stop7h 12m
Delta
Deal found 6/4![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:00 pm
ORD
- GTF
1 stop6h 40m
Delta
Sat 7/115:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 6/7![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 6/4. 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 7/45:00 pm
ORD
- GTF
1 stop6h 40m
Delta
Fri 7/101:17 pm
GTF
- ORD
1 stop7h 12m
Delta
Deal found 6/4![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Mon 7/132:37 pm
GTF
- ORD
1 stop7h 42m
United Airlines
Deal found 6/7![United Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:00 pm
ORD
- GTF
1 stop6h 40m
Delta
Mon 7/136:25 pm
GTF
- ORD
2 stops19h 40m
Delta
Deal found 6/7![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Mon 7/136:25 pm
GTF
- MDW
2 stops17h 44m
Delta
Deal found 6/7![Delta logo]()
$616
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Thu 7/96:25 pm
GTF
- MDW
2 stops13h 12m
Delta
Deal found 6/7![Delta logo]()
$636
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:59 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Sat 7/112:37 pm
GTF
- ORD
1 stop7h 12m
United Airlines
Deal found 6/7![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:45 am
ORD
- GTF
1 stop5h 52m
Delta
Sat 7/115:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 6/7![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 6/7. 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 7/137:45 am
ORD
- GTF
1 stop5h 52m
Delta
Mon 7/201:17 pm
GTF
- ORD
1 stop7h 12m
Delta
Deal found 6/7![Delta logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/237:15 am
ORD
- GTF
1 stop27h 19m
Multiple Airlines
Mon 7/2710:19 am
GTF
- ORD
1 stop18h 18m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 6/5. 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 7/231:18 pm
MDW
- GTF
2 stops10h 19m
Delta
Mon 7/275:40 am
GTF
- MDW
2 stops11h 38m
Delta
Deal found 6/5![Delta logo]()
$759
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 June 8, 2026.
Search for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:57 pm
ORD
- GTF
2 stops36h 37m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$214
This Trip.com deal was found by Cheapflights users on 6/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:20 am
ORD
- GTF
1 stop27h 08m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:59 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 6/7![United Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:15 am
ORD
- GTF
1 stop27h 14m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 6/7![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:45 am
ORD
- GTF
1 stop5h 52m
Delta
Deal found 6/7![Delta logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Tue 7/1412:11 pm
MDW
- GTF
3 stops57h 09m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:23 pm
MDW
- GTF
3 stops47h 52m
Allegiant Air
Deal found 6/3![Allegiant Air logo]()
$427
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:50 pm
MDW
- GTF
2 stops10h 50m
Delta
Deal found 6/3![Delta logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:00 am
MDW
- GTF
2 stops28h 28m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$532
This Delta deal was found by Cheapflights users on 6/7. 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 6/221:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Deal found 6/7![Delta logo]()
$865
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:49 pm
MDW
- GTF
3 stops27h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,383
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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (Orbitz) |
One-way from | $214 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $548 |
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 June 8, 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
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 10/24
7:05 am-5:43 pm
2 stops11h 38m
Great Falls
Sat 10/31
5:30 am-12:25 pm
1 stop5h 55m
$334
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 9/12
5:00 pm-10:44 pm
1 stop6h 44m
Great Falls
Sun 9/20
1:15 pm-9:47 pm
1 stop7h 32m
$343
Quickest round-trip
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 7/4
7:45 am-12:40 pm
1 stop5h 55m
Great Falls
Sat 7/11
5:40 am-12:00 pm
1 stop5h 20m
$383
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 8/12
7:48 am-12:28 pm
1 stop5h 40m
Great Falls
Sat 8/15
1:08 pm-9:30 pm
1 stop7h 22m
$393
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Mon 7/13
7:45 am-12:37 pm
1 stop5h 52m
Great Falls
Mon 7/20
1:17 pm-9:29 pm
1 stop7h 12m
$393
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 11/7
9:31 am-4:17 pm
1 stop7h 46m
Great Falls
Tue 11/10
4:57 pm-11:57 pm
1 stop30h 00m
$428
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 11/7
7:00 am-4:17 pm
1 stop10h 17m
Great Falls
Wed 11/11
4:57 pm-5:40 am
1 stop11h 43m
$474
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Thu 7/23
7:45 am-12:37 pm
1 stop5h 52m
Great Falls
Mon 7/27
5:40 am-4:59 pm
2 stops10h 19m
$479
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 8/1
8:20 pm-4:29 pm
1 stop21h 09m
Great Falls
Sat 8/8
5:09 pm-6:20 am
1 stop12h 11m
$528
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Sat 7/4
1:49 pm-10:40 pm
2 stops9h 51m
Great Falls
Mon 7/13
6:25 pm-1:09 pm
2 stops17h 44m
$616
Showing 1-10 of 26 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on 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, July is the cheapest month in which you can book a flight from Chicago to Great Falls (average of $118). Flying from Chicago to Great Falls in March is currently the most expensive (average of $438). 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.
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 June 8, 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.
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Great Falls flight routes
Other flight options
Other flights from Chicago
Popular flights
Alternative routes for Chicago to Great Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Great Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Great Falls by cabin class
Find flights from Chicago to Great Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Great Falls
Explore flights to Great Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
Chicago and Great Falls flights
Browse other Chicago and Great Falls flight options. Last updated on June 8, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$362 | FlexibilityNo cancel fee | On-time69% |