$169+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
May 22 — May 291
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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chicago to Great Falls
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Cheapest flights from Chicago to Great FallsExplore the most affordable flight options available from Chicago to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 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 April 22, 2026.
This Expedia deal was found by Cheapflights users on 4/17. 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.
Sun 5/246:00 am
ORD
- GTF
1 stop13h 12m
Alaska Airlines
Sat 5/306:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 4/20. 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 6/37:45 am
ORD
- GTF
1 stop5h 42m
Delta
Sun 6/145:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 4/20![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 4/20. 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 6/38:42 am
ORD
- GTF
2 stops9h 57m
Delta
Wed 6/175:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 4/20![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 4/20. 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 6/32:00 pm
ORD
- GTF
2 stops9h 26m
Delta
Mon 6/156:35 pm
GTF
- ORD
2 stops12h 30m
Delta
Deal found 4/20![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 6/44:05 pm
ORD
- GTF
2 stops18h 23m
Multiple Airlines
Mon 6/1510:18 am
GTF
- ORD
1 stop18h 14m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 4/20. 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 6/18:42 am
ORD
- GTF
2 stops9h 57m
Delta
Fri 6/191:22 pm
GTF
- ORD
1 stop7h 35m
Delta
Deal found 4/20![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 4/20. 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 6/18:42 am
ORD
- GTF
2 stops9h 57m
Delta
Thu 6/186:35 pm
GTF
- ORD
2 stops12h 30m
Delta
Deal found 4/20![Delta logo]()
$354
This Expedia deal was found by Cheapflights users on 4/21. 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 5/216:00 am
ORD
- GTF
1 stop13h 12m
Alaska Airlines
Sat 5/236:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 4/20. 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 6/18:42 am
ORD
- GTF
2 stops9h 57m
Delta
Tue 6/161:22 pm
GTF
- ORD
1 stop7h 35m
Delta
Deal found 4/20![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:48 pm
ORD
- GTF
1 stop21h 47m
Alaska Airlines
Sun 5/106:15 pm
GTF
- ORD
1 stop11h 25m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 4/20. 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 6/18:42 am
ORD
- GTF
2 stops9h 57m
Delta
Wed 6/175:40 am
GTF
- ORD
2 stops8h 25m
Delta
Deal found 4/20![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:49 pm
MDW
- GTF
2 stops9h 49m
Delta
Sat 7/116:25 pm
GTF
- MDW
2 stops14h 38m
Delta
Deal found 4/18![Delta logo]()
$464
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 April 22, 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 April 22, 2026.
This Expedia deal was found by Cheapflights users on 4/17. 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.
Sun 5/246:00 am
ORD
- GTF
1 stop13h 12m
Alaska Airlines
Sat 5/306:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 4/20. 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 6/610:15 am
ORD
- GTF
2 stops8h 24m
Delta
Wed 6/171:22 pm
GTF
- ORD
1 stop7h 35m
Delta
Deal found 4/20![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/267:05 am
ORD
- GTF
1 stop7h 36m
United Airlines
Tue 6/22:37 pm
GTF
- ORD
1 stop6h 02m
United Airlines
Deal found 4/19![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 4/20. 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 6/411:26 am
ORD
- GTF
2 stops12h 00m
Delta
Wed 6/175:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 4/20![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 4/20. 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 6/65:00 pm
ORD
- GTF
1 stop6h 26m
Delta
Tue 6/161:22 pm
GTF
- ORD
1 stop7h 35m
Delta
Deal found 4/20![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 4/18. 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 7/89:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Sat 7/112:37 pm
GTF
- ORD
1 stop6h 02m
United Airlines
Deal found 4/18![United Airlines logo]()
$508
This Alaska Airlines deal was found by Cheapflights users on 4/18. 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 5/116:00 am
ORD
- GTF
1 stop12h 35m
Alaska Airlines
Fri 5/156:52 pm
GTF
- ORD
2 stops22h 58m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 4/19. 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 5/268:42 am
ORD
- GTF
2 stops9h 57m
Delta
Tue 6/21:07 pm
GTF
- ORD
1 stop7h 43m
Delta
Deal found 4/19![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:49 pm
MDW
- GTF
2 stops9h 49m
Delta
Sat 7/116:25 pm
GTF
- MDW
2 stops14h 38m
Delta
Deal found 4/18![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:01 am
ORD
- GTF
2 stops11h 42m
Delta
Sat 8/81:15 pm
GTF
- ORD
1 stop7h 05m
Delta
Deal found 4/20![Delta logo]()
$484
This Delta deal was found by Cheapflights users on 4/21. 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
Thu 7/91:15 pm
GTF
- ORD
1 stop7h 33m
Delta
Deal found 4/21![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 4/17. 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 5/241:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Sat 5/305:40 am
GTF
- MDW
2 stops11h 53m
Delta
Deal found 4/17![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 4/21. 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 5/189:22 am
MDW
- GTF
2 stops9h 17m
Delta
Sun 5/246:19 pm
GTF
- MDW
2 stops14h 41m
Delta
Deal found 4/21![Delta logo]()
$854
This Delta deal was found by Cheapflights users on 4/21. 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 6/221:16 pm
MDW
- GTF
2 stops10h 24m
Delta
Tue 6/235:40 am
GTF
- MDW
2 stops9h 36m
Delta
Deal found 4/21![Delta logo]()
$1,028
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:05 am
MDW
- GTF
2 stops12h 33m
Delta
Sun 7/195:40 am
GTF
- MDW
2 stops11h 45m
Delta
Deal found 4/18![Delta logo]()
$1,044
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:29 am
MDW
- GTF
2 stops9h 11m
Delta
Sun 5/105:40 am
GTF
- MDW
2 stops11h 53m
Delta
Deal found 4/21![Delta logo]()
$1,044
This Delta deal was found by Cheapflights users on 4/19. 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 5/42:12 pm
MDW
- GTF
2 stops9h 17m
Delta
Fri 5/85:40 am
GTF
- MDW
2 stops11h 53m
Delta
Deal found 4/19![Delta logo]()
$1,078
Last-minute flights from Chicago to Great FallsDiscover last-minute flight deals from Chicago to Great Falls. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Great Falls. Data last updated April 22, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/21. 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.
Tue 4/288:48 pm
ORD
- GTF
1 stop21h 47m
Alaska Airlines
Wed 5/66:15 pm
GTF
- ORD
1 stop11h 25m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:41 am
MDW
- GTF
2 stops12h 48m
Delta
Wed 5/65:30 am
GTF
- MDW
2 stops7h 02m
Delta
Deal found 4/21![Delta logo]()
$994
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 5/48:48 pm
ORD
- GTF
1 stop21h 47m
Alaska Airlines
Fri 5/86:15 pm
GTF
- ORD
1 stop11h 25m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:48 pm
ORD
- GTF
1 stop21h 47m
Alaska Airlines
Sun 5/106:15 pm
GTF
- ORD
1 stop11h 25m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$378
This Expedia deal was found by Cheapflights users on 4/17. 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.
Mon 5/116:00 am
ORD
- GTF
1 stop12h 35m
Alaska Airlines
Fri 5/156:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/21. 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 5/189:22 am
MDW
- GTF
2 stops9h 17m
Delta
Sun 5/246:19 pm
GTF
- MDW
2 stops14h 41m
Delta
Deal found 4/21![Delta logo]()
$854
This Expedia deal was found by Cheapflights users on 4/21. 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 5/216:00 am
ORD
- GTF
1 stop13h 12m
Alaska Airlines
Sat 5/236:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$363
This Expedia deal was found by Cheapflights users on 4/17. 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.
Sun 5/246:00 am
ORD
- GTF
1 stop13h 12m
Alaska Airlines
Sat 5/306:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 4/17. 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 5/241:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Sat 5/305:40 am
GTF
- MDW
2 stops11h 53m
Delta
Deal found 4/17![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/267:05 am
ORD
- GTF
1 stop7h 36m
United Airlines
Tue 6/22:37 pm
GTF
- ORD
1 stop6h 02m
United Airlines
Deal found 4/19![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:00 am
ORD
- GTF
2 stops11h 39m
Delta
Wed 6/31:07 pm
GTF
- ORD
1 stop7h 43m
Delta
Deal found 4/20![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 4/20. 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 5/305:00 pm
ORD
- GTF
1 stop6h 26m
Delta
Wed 6/31:07 pm
GTF
- ORD
1 stop7h 43m
Delta
Deal found 4/20![Delta logo]()
$343
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 April 22, 2026.
Search for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 6/69:37 pm
ORD
- GTF
2 stops36h 51m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 7/15:35 pm
ORD
- GTF
2 stops40h 54m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$200
This Expedia deal was found by Cheapflights users on 4/18. 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.
Sat 5/1610:00 am
ORD
- GTF
1 stop9h 12m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 5/169:37 pm
ORD
- GTF
2 stops38h 15m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 5/177:15 am
ORD
- GTF
2 stops28h 37m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/239:37 pm
ORD
- GTF
2 stops36h 57m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$257
This Expedia deal was found by Cheapflights users on 4/20. 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.
Sat 6/610:00 am
ORD
- GTF
1 stop9h 12m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$260
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:44 pm
ORD
- GTF
1 stop25h 28m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 4/20. 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 6/68:40 am
ORD
- GTF
Nonstop3h 43m
United Airlines
Deal found 4/20![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 4/21. 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 5/235:00 pm
ORD
- GTF
1 stop6h 26m
Delta
Deal found 4/21![Delta logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 5/176:00 am
MDW
- GTF
3 stops29h 52m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 4/18. 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 5/161:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Deal found 4/18![Delta logo]()
$294
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 April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Expedia) |
One-way from | $169 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $311 |
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 April 22, 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
Sun 5/24
6:00 am-6:12 pm
1 stop13h 12m
Great Falls
Sat 5/30
6:52 pm-6:20 am
1 stop10h 28m
$307
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 6/6
10:15 am-5:39 pm
2 stops8h 24m
Great Falls
Wed 6/17
1:22 pm-9:57 pm
1 stop7h 35m
$324
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Thu 6/4
11:26 am-10:26 pm
2 stops12h 00m
Great Falls
Wed 6/17
5:40 am-12:00 pm
1 stop5h 20m
$324
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 6/6
5:00 pm-10:26 pm
1 stop6h 26m
Great Falls
Tue 6/16
1:22 pm-9:57 pm
1 stop7h 35m
$343
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Tue 5/26
7:05 am-1:41 pm
1 stop7h 36m
Great Falls
Tue 6/2
2:37 pm-9:39 pm
1 stop6h 02m
$380
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Tue 5/26
8:42 am-5:39 pm
2 stops9h 57m
Great Falls
Tue 6/2
1:07 pm-9:50 pm
1 stop7h 43m
$459
ChicagoGreat Falls
MDW - GTF
MDWGTF
Chicago Midway
Wed 7/8
1:49 pm-10:38 pm
2 stops9h 49m
Great Falls
Sat 7/11
6:25 pm-10:03 am
2 stops14h 38m
$464
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 8/1
7:01 am-5:43 pm
2 stops11h 42m
Great Falls
Sat 8/8
1:15 pm-9:20 pm
1 stop7h 05m
$484
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 7/4
5:00 pm-10:40 pm
1 stop6h 40m
Great Falls
Thu 7/9
1:15 pm-9:48 pm
1 stop7h 33m
$488
Quickest round-trip
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 7/8
9:00 am-11:46 am
Nonstop3h 46m
Great Falls
Sat 7/11
2:37 pm-9:39 pm
1 stop6h 02m
$508
Showing 1-10 of 32 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 April.
| 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 April 22, 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
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Chicago to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Great Falls?
Book flights to Great Falls if you plan to visit one of these locationsShelby
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Other flights to Great Falls
Explore flights to Great Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 22, 2026.
Chicago and Great Falls flights
Browse other Chicago and Great Falls flight options. Last updated on April 22, 2026.
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Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on April 22, 2026.
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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 April 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$446 | FlexibilityNo cancel fee | On-time69% |