$160+ Cheap flights from Chicago (CHI) to Montana
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BZN
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Montana with Cheapflights
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Cheapest flights from Chicago to MontanaExplore the most affordable flight options available from Chicago to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Chicago to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Trip.com deal was found by Cheapflights users on 9/26. 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.
Tue 11/109:30 am -
1 stop9h 57m
Tue 11/171:50 pm -
1 stop9h 09m
Deal found 9/26![Alaska Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 9/25. 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 10/273:30 pm -
1 stop5h 45m
Wed 11/412:58 pm -
1 stop8h 07m
Deal found 9/25![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:07 pm -
1 stop6h 22m
Fri 12/114:04 pm -
1 stop5h 35m
Deal found 9/27![United Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 9/23. 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 12/37:25 am -
1 stop5h 55m
Sat 12/55:30 am -
1 stop5h 33m
Deal found 9/23![Delta logo]()
$337
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:14 pm -
Nonstop3h 41m
Thu 12/246:14 am -
Nonstop3h 26m
Deal found 9/28![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:58 am -
Nonstop3h 27m
Fri 10/231:15 pm -
Nonstop3h 14m
Deal found 9/26![American Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 9/24. 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 10/2712:30 pm -
2 stops10h 55m
Thu 11/56:30 am -
1 stop4h 10m
Deal found 9/24![Delta logo]()
$342
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:45 pm -
Nonstop3h 27m
Wed 10/212:37 pm -
1 stop7h 09m
Deal found 9/25![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:59 am -
1 stop7h 50m
Wed 11/42:45 pm -
1 stop5h 45m
Deal found 9/26![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/25. 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 11/132:30 pm -
1 stop7h 44m
Mon 11/165:55 pm -
1 stop5h 04m
Deal found 9/25![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/145:00 am -
1 stop5h 46m
Sat 10/172:28 pm -
1 stop6h 24m
Deal found 9/26![United Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:50 pm -
1 stop6h 20m
Mon 9/282:28 pm -
1 stop5h 50m
Deal found 9/24![United Airlines logo]()
$353
Best flights from Chicago to MontanaDiscover carefully curated flight deals from Chicago to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Chicago to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:30 pm -
1 stop5h 45m
Wed 11/412:58 pm -
1 stop8h 07m
Deal found 9/27![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:07 pm -
1 stop6h 22m
Fri 12/114:04 pm -
1 stop5h 35m
Deal found 9/27![United Airlines logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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.
Thu 2/118:00 am -
1 stop8h 23m
Tue 2/166:40 am -
1 stop6h 32m
Deal found 9/24![Alaska Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:15 am -
1 stop5h 20m
Fri 10/234:15 pm -
1 stop5h 00m
Deal found 9/26![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 9/23. 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 12/37:25 am -
1 stop5h 55m
Sat 12/55:30 am -
1 stop5h 33m
Deal found 9/23![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:59 am -
1 stop7h 50m
Wed 11/42:45 pm -
1 stop5h 45m
Deal found 9/26![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 9/26. 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 2/267:30 am -
1 stop5h 49m
Wed 3/36:15 am -
2 stops11h 17m
Deal found 9/26![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/145:00 am -
1 stop5h 46m
Sat 10/172:28 pm -
1 stop6h 24m
Deal found 9/26![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 9/25. 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 10/2712:30 pm -
2 stops10h 55m
Thu 11/56:30 am -
1 stop4h 10m
Deal found 9/25![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:55 am -
1 stop5h 33m
Wed 10/212:37 pm -
1 stop7h 09m
Deal found 9/24![United Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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.
Tue 1/58:00 am -
1 stop8h 32m
Sat 1/94:22 pm -
1 stop6h 37m
Deal found 9/24![Alaska Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/199:55 am -
1 stop6h 45m
Mon 2/2212:40 pm -
1 stop6h 30m
Deal found 9/26![Southwest logo]()
$443
This Delta deal was found by Cheapflights users on 9/26. 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 2/261:00 pm -
2 stops7h 48m
Wed 3/36:15 am -
1 stop4h 36m
Deal found 9/26![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Mon 11/29:07 am -
Nonstop3h 38m
Thu 11/512:48 pm -
Nonstop3h 02m
Deal found 9/26![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/286:10 am -
1 stop5h 35m
Sun 1/3112:40 pm -
1 stop6h 30m
Deal found 9/27![Southwest logo]()
$473
This Delta deal was found by Cheapflights users on 9/24. 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 1/317:00 am -
1 stop8h 33m
Sun 2/76:00 am -
1 stop4h 42m
Deal found 9/24![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 am -
1 stop7h 30m
Thu 10/152:05 pm -
1 stop6h 47m
Deal found 9/24![United Airlines logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
Tue 10/135:46 pm -
1 stop23h 49m
Fri 10/165:15 pm -
1 stop11h 25m
Deal found 9/25![Alaska Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 9/23. 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 10/147:35 am -
1 stop5h 53m
Sat 10/171:08 pm -
1 stop7h 57m
Deal found 9/23![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 9/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:40 pm -
2 stops8h 50m
Thu 10/224:15 pm -
1 stop7h 05m
Deal found 9/24![Southwest logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:40 am -
1 stop5h 54m
Wed 11/42:36 pm -
1 stop8h 23m
Deal found 9/28![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/23. 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 11/74:00 pm -
1 stop7h 38m
Sat 11/145:20 am -
2 stops8h 35m
Deal found 9/23![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 9/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:25 pm -
1 stop6h 00m
Wed 10/212:45 pm -
1 stop7h 30m
Deal found 9/23![Southwest logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:15 am -
Nonstop3h 30m
Sat 10/2412:53 pm -
Nonstop3h 07m
Deal found 9/26![United Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 9/26. 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 3/161:55 pm -
2 stops9h 26m
Fri 3/263:40 pm -
1 stop7h 06m
Deal found 9/26![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 9/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:15 pm -
1 stop9h 40m
Sat 1/1611:40 am -
1 stop8h 35m
Deal found 9/25![Southwest logo]()
$516
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
1 stop7h 28m
Sun 10/1812:26 pm -
Nonstop3h 34m
Deal found 9/25![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/26. 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 2/39:30 am -
2 stops13h 51m
Sun 2/73:40 pm -
1 stop7h 06m
Deal found 9/26![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 10/312:21 pm -
2 stops28h 09m
Wed 11/45:10 pm -
2 stops19h 07m
Deal found 9/26![Alaska Airlines logo]()
$669
This Delta deal was found by Cheapflights users on 9/25. 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 2/236:59 pm -
1 stop6h 11m
Sat 2/276:00 am -
2 stops9h 37m
Deal found 9/25![Delta logo]()
$364
Last-minute flights from Chicago to MontanaDiscover last-minute flight deals from Chicago to Montana. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Montana. Data last updated September 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:50 pm -
1 stop6h 20m
Mon 9/282:28 pm -
1 stop5h 50m
Deal found 9/24![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 9/25. 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 9/2611:17 am -
2 stops12h 24m
Sat 10/36:23 am -
1 stop7h 06m
Deal found 9/25![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/145:00 am -
1 stop5h 46m
Sat 10/172:28 pm -
1 stop6h 24m
Deal found 9/26![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:58 am -
Nonstop3h 27m
Wed 10/211:15 pm -
Nonstop3h 14m
Deal found 9/23![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/24. 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 10/166:20 am -
1 stop7h 03m
Thu 10/223:34 pm -
1 stop7h 00m
Deal found 9/24![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:58 am -
Nonstop3h 27m
Fri 10/231:15 pm -
Nonstop3h 14m
Deal found 9/26![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:45 pm -
Nonstop3h 27m
Wed 10/212:37 pm -
1 stop7h 09m
Deal found 9/25![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Mon 10/269:07 am -
Nonstop3h 38m
Thu 10/2912:48 pm -
Nonstop3h 02m
Deal found 9/24![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 9/25. 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 10/273:30 pm -
1 stop5h 45m
Wed 11/412:58 pm -
1 stop8h 07m
Deal found 9/25![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 9/24. 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 10/273:30 pm -
1 stop5h 45m
Thu 11/56:30 am -
1 stop4h 10m
Deal found 9/24![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:59 am -
2 stops8h 50m
Mon 11/212:58 pm -
1 stop8h 07m
Deal found 9/24![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:59 am -
1 stop7h 50m
Wed 11/42:45 pm -
1 stop5h 45m
Deal found 9/26![United Airlines logo]()
$348
One-way flights from Chicago to MontanaSearch for one-way flight options from Chicago to Montana. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Chicago to Montana. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
Tue 10/273:49 pm -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Alaska Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 10/286:16 am -
2 stops27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/208:01 pm -
2 stops45h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:01 pm -
2 stops38h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:30 am -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:30 am -
2 stops27h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:30 pm -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$177
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:58 am -
Nonstop3h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$178
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:20 am -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$180
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:04 am -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/218:01 pm -
2 stops38h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:30 am -
2 stops34h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$184
Find flight deals from Chicago to Montana
Keep the following information in mind while searching for Chicago to Montana flight deals. Data was last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (Trip.com) |
One-way from | $160 (Alaska Airlines) |
Popular in | November |
Cheapest in | April |
Average price | $416 |
Good round-trip deal | $358 or less |
Good one-way deal | $199 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Montana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
Use the filters below to find and compare flights from Chicago to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Tue 10/27
3:49 pm-11:09 pm
1 stop8h 20m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$160
ChicagoBillings
ORD Chicago O'Hare Intl - BIL Billings Logan Intl
ORDBIL
Chicago O'Hare Intl
Tue 10/27
7:00 am-1:29 pm
1 stop7h 29m
Billings Logan Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
Quickest round-trip
ChicagoBillings
ORD Chicago O'Hare Intl - BIL Billings Logan Intl
ORDBIL
Chicago O'Hare Intl
Mon 10/5
4:20 pm-9:10 pm
1 stop5h 50m
Billings Logan Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Sat 10/24
5:30 pm-11:29 pm
1 stop6h 59m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Fri 10/23
6:35 am-2:54 pm
1 stop9h 19m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Sun 10/25
6:20 am-12:23 pm
1 stop7h 03m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Tue 12/1
6:40 am-2:35 pm
1 stop8h 55m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Sat 3/27
7:00 am-2:33 pm
1 stop8h 33m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Thu 3/25
7:00 am-2:33 pm
1 stop8h 33m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
ChicagoBozeman
MDW Chicago Midway - BZN Bozeman Gallatin Field
MDWBZN
Chicago Midway
Thu 10/29
6:04 am-1:19 pm
1 stop8h 15m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Chicago with our price prediction graph.
ORD-BIL
ORD-BZN
ORD-GTF
ORD-MSO
MDW-BZN
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 Montana
CHI-USMT
ORD-BIL
ORD-BZN
ORD-GTF
ORD-MSO
What is the cheapest month to book a flight from Chicago to Montana?
Currently, April is the cheapest month in which you can book a flight from Chicago to Montana (average of $339). Flying from Chicago to Montana in July is currently the most expensive (average of $460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to MT?
Find hourly flight availability from Chicago to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 31% on flights from Chicago to Montana by exploring options for tickets in the afternoon.
Weekly flight availability from Chicago to Montana
Explore weekly flight availability from Chicago to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 28, 2026.
The most flights from CHI to USMT are scheduled on a Sunday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Chicago to Montana?
Airfare is typical for this route at the moment.
Chicago to Montana flights typically cost between $295 and $445 in November.The cheapest round-trip price found within the last 5 days was $309 on Alaska Airlines (Nov 10-Nov 17).
How far ahead should I book a flight from Chicago to Montana?
The best time to book flights from Chicago to Montana is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Chicago to Montana?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Montana. Price data was last updated on September 26, 2026.
Travelers seeking maximum savings on their Chicago to Montana flight should consider departing on Monday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Montana
Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated September 28, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Chicago to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Related info for your journey
Find useful and relevant information for your journey from Chicago to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to Montana
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Montana by cabin class
Find flights from Chicago to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Montana flights
Browse other Chicago and Montana flight options. Last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Montana flights
Consider these flights traveling from Chicago to Montana.
Top 5 airlines flying from Chicago to Montana
Discover the top 5 airlines that operate flights from Chicago to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$395 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$513 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$228 | Average$450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$412 | FlexibilityNo cancel fee | On-time63% |