$165+ Cheap flights from Great Falls (GTF) to Chicago (CHI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — CHI
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Find cheap flights from Great Falls to Chicago 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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Cheapest flights from Great Falls to ChicagoExplore the most affordable flight options available from Great Falls to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
Explore the most affordable flight options available from Great Falls to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
This Delta deal was found by Cheapflights users on 5/4. 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 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Tue 6/97:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/4![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 5/4. 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 8/215:40 am
GTF
- MDW
2 stops11h 53m
Delta
Tue 8/256:05 am
MDW
- GTF
2 stops12h 37m
Delta
Deal found 5/4![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 5/4. 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 8/211:08 pm
GTF
- ORD
2 stops9h 50m
Delta
Tue 8/2511:26 am
ORD
- GTF
2 stops12h 22m
Delta
Deal found 5/4![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:31 pm
GTF
- ORD
1 stop6h 11m
United Airlines
Tue 8/254:35 pm
ORD
- GTF
1 stop5h 53m
United Airlines
Deal found 5/4![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Sat 6/138:36 am
ORD
- GTF
2 stops10h 08m
Delta
Deal found 5/1![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Wed 6/106:00 am
ORD
- GTF
1 stop11h 29m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 6/171:20 pm
GTF
- ORD
1 stop7h 37m
Delta
Sun 6/217:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/3![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:07 pm
GTF
- ORD
1 stop7h 43m
Delta
Wed 5/207:00 am
ORD
- GTF
2 stops11h 39m
Delta
Deal found 5/1![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 5/195:40 am
GTF
- MDW
2 stops11h 53m
Delta
Sat 5/231:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Deal found 5/4![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 5/4. 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 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Wed 6/107:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/4![Delta logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Mon 6/1510:18 am
GTF
- ORD
1 stop17h 49m
Multiple Airlines
Thu 6/1812:31 pm
ORD
- GTF
2 stops21h 57m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:35 pm
GTF
- ORD
1 stop8h 22m
United Airlines
Sat 5/232:33 pm
ORD
- GTF
1 stop8h 01m
United Airlines
Deal found 5/4![United Airlines logo]()
$391
Best flights from Great Falls to ChicagoDiscover carefully curated flight deals from Great Falls to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
Discover carefully curated flight deals from Great Falls to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
This Delta deal was found by Cheapflights users on 5/3. 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 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Tue 6/97:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/3![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Tue 6/97:40 am
ORD
- GTF
1 stop11h 32m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 6/36:15 am
GTF
- ORD
1 stop7h 40m
United Airlines
Sat 6/68:40 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 5/1![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:07 pm
GTF
- ORD
1 stop7h 43m
Delta
Sat 6/61:44 pm
ORD
- GTF
2 stops9h 42m
Delta
Deal found 5/1![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 5/4. 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 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Sat 6/138:36 am
ORD
- GTF
2 stops10h 08m
Delta
Deal found 5/4![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 5/195:40 am
GTF
- MDW
2 stops11h 53m
Delta
Sat 5/231:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Deal found 5/4![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 5/3. 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 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Wed 6/107:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/3![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:20 pm
GTF
- ORD
1 stop7h 37m
Delta
Tue 6/167:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/1![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:40 am
GTF
- MDW
2 stops11h 53m
Delta
Sat 6/61:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Deal found 5/1![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 5/4. 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.
Wed 6/105:40 am
GTF
- MDW
2 stops11h 38m
Delta
Wed 7/811:05 am
MDW
- GTF
2 stops12h 32m
Delta
Deal found 5/4![Delta logo]()
$694
This Delta deal was found by Cheapflights users on 4/30. 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 7/185:40 am
GTF
- MDW
2 stops11h 27m
Delta
Thu 7/239:19 am
MDW
- GTF
2 stops9h 23m
Delta
Deal found 4/30![Delta logo]()
$704
This Delta deal was found by Cheapflights users on 5/4. 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 5/156:19 pm
GTF
- MDW
2 stops17h 23m
Delta
Sun 5/171:22 pm
MDW
- GTF
2 stops29h 17m
Delta
Deal found 5/4![Delta logo]()
$896
This Delta deal was found by Cheapflights users on 5/4. 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 5/156:19 pm
GTF
- MDW
2 stops23h 14m
Delta
Wed 5/209:22 am
MDW
- GTF
2 stops14h 04m
Delta
Deal found 5/4![Delta logo]()
$896
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 6/235:40 am
GTF
- MDW
2 stops11h 38m
Delta
Wed 6/241:49 pm
MDW
- GTF
2 stops9h 51m
Delta
Deal found 4/30![Delta logo]()
$919
This Delta deal was found by Cheapflights users on 5/3. 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 6/65:40 am
GTF
- MDW
2 stops11h 53m
Delta
Wed 6/109:54 am
MDW
- GTF
2 stops8h 50m
Delta
Deal found 5/3![Delta logo]()
$1,229
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:40 am
GTF
- MDW
2 stops11h 51m
Delta
Thu 6/181:21 pm
MDW
- GTF
2 stops10h 19m
Delta
Deal found 5/1![Delta logo]()
$1,249
This Delta deal was found by Cheapflights users on 5/2. 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.
Fri 6/195:40 am
GTF
- MDW
2 stops11h 38m
Delta
Mon 6/221:26 pm
MDW
- GTF
2 stops10h 14m
Delta
Deal found 5/2![Delta logo]()
$1,329
Last-minute flights from Great Falls to ChicagoDiscover last-minute flight deals from Great Falls to Chicago. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Chicago. Data last updated May 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 5/125:40 am
GTF
- MDW
2 stops11h 16m
Delta
Sat 5/239:23 am
MDW
- GTF
2 stops9h 16m
Delta
Deal found 5/4![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:07 pm
GTF
- ORD
1 stop7h 43m
Delta
Wed 5/207:00 am
ORD
- GTF
2 stops11h 39m
Delta
Deal found 5/1![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 5/195:40 am
GTF
- MDW
2 stops11h 53m
Delta
Sat 5/231:22 pm
MDW
- GTF
2 stops10h 04m
Delta
Deal found 5/4![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:35 pm
GTF
- ORD
1 stop8h 22m
United Airlines
Sat 5/232:33 pm
ORD
- GTF
1 stop8h 01m
United Airlines
Deal found 5/4![United Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 5/4. 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 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Tue 6/97:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/4![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Sat 6/138:36 am
ORD
- GTF
2 stops10h 08m
Delta
Deal found 5/1![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Wed 6/106:00 am
ORD
- GTF
1 stop11h 29m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 5/4. 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 6/66:19 pm
GTF
- ORD
2 stops12h 46m
Delta
Wed 6/107:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/4![Delta logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Tue 6/97:40 am
ORD
- GTF
1 stop11h 32m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 6/121:20 pm
GTF
- ORD
1 stop7h 37m
Delta
Tue 6/167:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 4/30![Delta logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Mon 6/1510:18 am
GTF
- ORD
1 stop17h 49m
Multiple Airlines
Thu 6/1812:31 pm
ORD
- GTF
2 stops21h 57m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 6/171:20 pm
GTF
- ORD
1 stop7h 37m
Delta
Sun 6/217:45 am
ORD
- GTF
1 stop5h 55m
Delta
Deal found 5/3![Delta logo]()
$383
One-way flights from Great Falls to ChicagoSearch for one-way flight options from Great Falls to Chicago. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
Search for one-way flight options from Great Falls to Chicago. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:19 pm
GTF
- ORD
1 stop12h 41m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$165
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Thu 6/259:05 pm
GTF
- ORD
2 stops26h 43m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 5/2210:24 am
GTF
- ORD
3 stops44h 31m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 5/4. 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.
Sun 7/55:40 am
GTF
- ORD
1 stop5h 20m
Delta
Deal found 5/4![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:15 am
GTF
- ORD
1 stop7h 40m
United Airlines
Deal found 5/4![United Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 4/30. 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 5/165:40 am
GTF
- MDW
2 stops11h 53m
Delta
Deal found 4/30![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:05 pm
GTF
- MDW
2 stops17h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 5/2210:24 am
GTF
- MDW
2 stops47h 48m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 4/30. 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 5/175:40 am
GTF
- MDW
2 stops11h 53m
Delta
Deal found 4/30![Delta logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:52 pm
GTF
- MDW
3 stops46h 41m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$834
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:52 pm
GTF
- MDW
3 stops22h 04m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$859
Find flight deals from Great Falls to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Chicago (CHI). 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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $324 (Delta) |
One-way from | $165 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Chicago 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 May 5, 2026.
Use the filters below to find and compare flights from Great Falls to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Sat 6/6
6:19 pm-8:05 am
2 stops12h 46m
Chicago O'Hare Intl
Tue 6/9
7:45 am-12:40 pm
1 stop5h 55m
$324
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Wed 6/3
1:07 pm-9:50 pm
1 stop7h 43m
Chicago O'Hare Intl
Sat 6/6
1:44 pm-10:26 pm
2 stops9h 42m
$324
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Sat 6/6
6:19 pm-8:05 am
2 stops12h 46m
Chicago O'Hare Intl
Sat 6/13
8:36 am-5:44 pm
2 stops10h 08m
$354
Great FallsChicago
GTF - MDW
GTFMDW
Great Falls
Tue 5/19
5:40 am-6:33 pm
2 stops11h 53m
Chicago Midway
Sat 5/23
1:22 pm-10:26 pm
2 stops10h 04m
$389
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Sat 6/6
6:19 pm-8:05 am
2 stops12h 46m
Chicago O'Hare Intl
Wed 6/10
7:45 am-12:40 pm
1 stop5h 55m
$389
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Fri 6/12
1:20 pm-9:57 pm
1 stop7h 37m
Chicago O'Hare Intl
Tue 6/16
7:45 am-12:40 pm
1 stop5h 55m
$403
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Sat 6/6
6:52 pm-6:20 am
1 stop10h 28m
Chicago O'Hare Intl
Tue 6/9
7:40 am-6:12 pm
1 stop11h 32m
$418
Quickest round-trip
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Wed 6/3
6:15 am-2:55 pm
1 stop7h 40m
Chicago O'Hare Intl
Sat 6/6
8:40 am-11:26 am
Nonstop3h 46m
$421
Great FallsChicago
GTF - MDW
GTFMDW
Great Falls
Wed 6/3
5:40 am-6:33 pm
2 stops11h 53m
Chicago Midway
Sat 6/6
1:22 pm-10:26 pm
2 stops10h 04m
$559
Great FallsChicago
GTF - MDW
GTFMDW
Great Falls
Wed 6/10
5:40 am-6:18 pm
2 stops11h 38m
Chicago Midway
Wed 7/8
11:05 am-10:37 pm
2 stops12h 32m
$694
Showing 1-10 of 32 resultsSorted by cheapest first
Compare providers for flights from Great Falls to Chicago
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 Great Falls to Chicago in May.
| 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 Great Falls-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Chicago 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 Great Falls-Chicago 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 Great Falls to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Great Falls with our price prediction graph.
GTF-CHI
GTF-ORD
GTF-MDW
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 Great Falls to Chicago
GTF-CHI
GTF-ORD
GTF-MDW
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated May 5, 2026.
See what other customers who have flown with Delta and United Airlines from Great Falls to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Great Falls to Chicago. 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 Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Hammond
Porter
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Great Falls and Chicago flights
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Other flights from Great Falls
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Great Falls to Chicago
Discover the top airline that operate flights from Great Falls to Chicago. 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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$277 | Average$591 | FlexibilityNo cancel fee | On-time69% |